SECTION 1: GLOBAL SOURCING OVERVIEW
High and low voltage complete sets of switchgear are the backbone of modern power distribution networks. These systems integrate power switching, control, protection, metering, and monitoring into modular units. They are critical for ensuring electrical safety, system stability, and power quality across civil, industrial, commercial, and utility grids.
All products in this catalog are designed and manufactured in strict compliance with international standards (such as IEC 62271 for high voltage and IEC 61439 for low voltage), ensuring maximum reliability and seamless integration into global grid systems.
SECTION 2: PRODUCT SPECIFICATIONS
1. XGN15-12/24 Type SF6 Ring Main Unit (RMU) Switchgear
Product Introduction
The XGN15-12/24 Type SF6 Ring Main Unit (RMU) is a next-generation metal-enclosed switchgear system designed for secondary distribution networks. Utilizing highly reliable sulfur hexafluoride (SF6) load break switches as its core breaking element, this compact system can be flexibly configured with vacuum circuit breakers, disconnectors, current/voltage transformers, and lightning arresters.
The air-insulated cabinet shell offers an exceptionally compact and expandable layout. With its modern styling, straightforward architecture, and flexible operations, the XGN15 series provides complete power protection and distribution safety. It is fully ready for distribution automation, making it an ideal choice for smart grid integration.
Key B2B Advantages
- Ultra-Compact Footprint: Significantly reduces substation civil engineering costs and space requirements.
- Expandable Modular Design: Modular compartments allow for effortless left-and-right expansion to match custom distribution diagrams.
- Enhanced Operational Safety: Equipped with robust, multi-layer mechanical interlocks to completely prevent operator error.
- Distribution Automation-Ready: Integrates seamlessly with smart remote terminal units (RTUs) for real-time status monitoring and control.
Technical Specifications
| Parameter | Specification / Value |
| Rated Voltage | 12 kV / 24 kV |
| Rated Frequency | 50 Hz / 60 Hz |
| Rated Current (Main Busbar) | 630 A / 1250 A |
| Rated Short-Time Withstand Current (1s) | 20 kA / 25 kA |
| Protection Level | IP3X / IP4X (Enclosure) |
| Core Insulation Medium | SF6 Gas (LBS) / Air (Busbar) |
| Standards Compliance | IEC 62271-200, GB 3906 |
Working & Environmental Conditions
| Condition | Requirement / Range |
| Installation Altitude | General Type: ≤ 1000m \ |
| Ambient Temperature | -35°C to +40°C (Daily average ≤ +35°C) |
| Relative Humidity | Daily Average: < 95% \ |
| Seismic Resistance | Earthquake intensity ≤ 8 degrees |
| Environmental Hazards | No significant corrosive gas, flammable gas, or severe vapor |
Target ApplicationsUrban residential power distribution grids, secondary substations, commercial shopping malls, municipal airports, metro/subway systems, wind power generation fields, and industrial/mining facilities.
2. HL15-12/24 Type Gas Insulated Switchgear (GIS RMU)
Product Introduction
The HL15-12/24 Type Gas Insulated Switchgear (GIS RMU) represents the pinnacle of compact, modular medium-voltage distribution. Engineered for absolute reliability under any environmental condition, the entire high-voltage switching system (busbars, switches, and mechanisms) is hermetically sealed within a high-grade stainless steel gas tank filled with low-pressure SF6 gas.
As a fully insulated and fully enclosed system, it is entirely immune to dust, moisture, salt spray, and atmospheric pollution. Each module can be expanded arbitrarily in any direction, providing infinite configuration flexibility for modern electrical designers.
Key B2B Advantages
- Completely Maintenance-Free: Hermetically sealed primary system eliminates routine switch maintenance and contact oxidation.
- All-Weather Resilience: Ideal for highly polluted, damp, or high-altitude environments where conventional air-insulated gear fails.
- Extreme Space Savings: Modular design reduces the total physical footprint by up to 60% compared to traditional switchgear.
- Flexible Expansion: Easily scalable with quick-plug bus connectors for rapid installation and future capacity upgrades.
Technical Specifications
| Parameter | Specification / Value |
| Rated Voltage | 12 kV / 24 kV |
| Rated Frequency | 50 Hz / 60 Hz |
| Rated Current | 630 A / 1250 A |
| Rated Short-Time Withstand Current (4s) | 20 kA / 25 kA |
| Gas Enclosure Material | Laser-welded 304 Stainless Steel (3mm+) |
| Protection Level | IP67 (Gas Tank) \ |
| Standards Compliance | IEC 62271-200, GB/T 11022 |
Working & Environmental Conditions
| Condition | Requirement / Range |
| Installation Altitude | ≤ 4000m (unaffected by altitude change due to gas seal) |
| Ambient Temperature | -40°C to +45°C |
| Relative Humidity | Up to 100% condensation-proof |
| Corrosion Protection | Severe industrial and marine environment grade |
Target Applications
Subway/metro systems, railway electrification, high-speed rail, expressways, marine ports, coastal wind farms, petrochemical plants, mining tunnels, and dense urban high-rise installations.
3. Solid Insulated Ring Main Unit (Solid RMU)
Product Introduction
The Solid Insulated Ring Main Unit (Solid RMU) is a cutting-edge, environmentally sustainable alternative to traditional gas-insulated switchgear. By encapsulating all primary high-voltage energized components (such as busbars, vacuum interrupters, and disconnectors) within a solid, high-performance epoxy resin shell, this system eliminates the need for SF6 greenhouse gases.
The solid insulation design features standard DIN47636 bushings, allowing connection via fully-shielded, touch-safe separable cable connectors. With an exceptional IP67 main circuit protection level, this unit is condensation-proof and capable of operating under short-term water submersion.
Key B2B Advantages
- 100% Eco-Friendly (SF6-Free): Zero global warming potential (GWP) and zero ozone depletion potential (ODP)—no gas leakage risks.
- Touch-Safe Design: Zero electrical clearance requirements between phases due to solid epoxy insulation, protecting onsite personnel.
- Submersion Proof (IP67): Completely resistant to moisture, dust, and heavy flooding, ensuring uninterrupted power.
- Rapid Delivery & Lower Total Cost of Ownership: Locally manufactured using advanced processes to provide rapid turnaround and competitive CAPEX.
Technical Specifications
| Parameter | Specification / Value |
| Rated Voltage | 12 kV / 24 kV |
| Rated Frequency | 50 Hz / 60 Hz |
| Rated Current | 630 A / 1250 A |
| Rated Peak Withstand Current | 50 kA / 63 kA |
| Main Circuit Protection Level | IP67 (Fully submersible) |
| Cable Connection Interface | DIN 47636 standard bushings |
| Standards Compliance | IEC 62271-1, GB 1984 |
Working & Environmental Conditions
| Condition | Requirement / Range |
| Installation Altitude | ≤ 4000m (specially customized above 1000m) |
| Ambient Temperature | -40°C to +50°C (Daily average ≤ +35°C) |
| Relative Humidity | Daily Average: ≤ 95% \ |
| Seismic Resistance | Grade 9 earthquake intensity (Highly ruggedized) |
| Pollution Resistance | High chemical resistance (GB/T5582 Class III+) |
Target Applications
Eco-certified green buildings, coastal high-humidity cities, municipal flood-prone lowlands, water pumping stations, mountain wind turbines, high-altitude alpine regions, and transport terminals.
4.KYN28-12/24 Type Metal-Clad Withdrawable Switchgear
Product Introduction
The KYN28-12/24 Type Indoor Metal-Clad Withdrawable Switchgear is the gold standard for high-performance medium-voltage power distribution. This robust system is designed for single or double busbar sectional systems in power generation, substation, and industrial settings.
The switchgear features a compartmentalized metal cabinet made of imported Al-Zn coated steel sheets, divided into independent high-voltage chambers: busbar, withdrawable circuit breaker handcart, cables, and low-voltage instrument compartment. It integrates standard, high-security mechanical and electrical interlocks that fulfill the rigorous “Five-Prevention” safety regulations.
Key B2B Advantages
- Five-Prevention Interlocks: Comprehensive safety mechanisms prevent accidental load-breaking, grounding switch errors, and unauthorized access to energized sections.
- Withdrawable Slide-Out Handcart: Allows rapid, safe extraction of the circuit breaker for offline testing, maintenance, or replacement.
- Flexible Breaker Compatibility: Optimally configured with high-performance domestic VS1 or world-class imported VD4 vacuum circuit breakers.
Smart Grid Diagnostics: Compatible with microcomputer protection relays, digital power meters, and network communication units for integrated substation control.
Technical Specifications
| Parameter | Specification / Value |
| Rated Voltage | 12 kV / 24 kV |
| Rated Frequency | 50 Hz / 60 Hz |
| Rated Current | 630 A to 4000 A |
| Rated Short-Time Withstand Current (4s) | 25 kA / 31.5 kA / 40 kA |
| Internal Compartments | Busbar, VCB Handcart, Cable, Instrument |
| Enclosure Material | 2mm+ Al-Zn Coated Steel Sheet |
| Standards Compliance | IEC 62271-200, IEC 60694 |
Working & Environmental Conditions
| Condition | Requirement / Range |
| Installation Altitude | ≤ 1000m (Standard) \ |
| Ambient Temperature | -15°C to +45°C (Daily average ≤ +30°C) |
| Relative Humidity | Daily Average: < 95% \ |
| Seismic Resistance | Earthquake intensity ≤ 8 degrees |
| Environmental Safety | Free from combustible gases, conductive dust, and explosive vapors |
Target Applications
Thermal/hydroelectric power plants, major step-down substations, steel and petrochemical complexes, heavy manufacturing facilities, corporate data centers, and massive commercial skyscrapers.
5. MNS/GCK Low-Voltage AC Withdrawable Switchgear
Product Introduction
The MNS/GCK Low-Voltage Withdrawable Switchgear serves as an advanced Power Distribution Center (PDC) and Motor Control Center (MCC) for industrial and utility grids. Engineered for low-voltage systems up to 660V and currents up to 4000A, this highly standardized system utilizes a fully assembled modular design.
The GCK and MNS cabinet structures separate the main busbars, withdrawable drawer compartments, and outgoing cable corridors. Drawers can be adjusted to clear “Connection,” “Test,” and “Disconnection” positions, complete with positive mechanical latching to maximize operator safety.
Key B2B Advantages
- High Drawer Inter-changeability: Drawer units are highly standardized, making upgrades, swapping, and rapid maintenance extremely efficient.
- Thermal & Short-Circuit Robustness: Built to withstand high dynamic forces under heavy-load switching and fault currents.
- Unrivaled Customization: Multiple drawer sizes (1/4 Unit, 1/2 Unit, 1 Unit, 2 Units, 3 Units) can be mixed in a single column to meet precise space requirements.
- Global Safety Ratings: Fully isolated internal barriers eliminate internal arc flash propagation risk, protecting surrounding installations.
Technical Specifications
| Parameter | Specification / Value |
| Rated Insulation Voltage | AC 660 V / 1000 V |
| Rated Working Voltage | AC 380 V / 415 V / 660 V |
| Rated Current (Main Busbar) | Up to 4000 A |
| Rated Peak Withstand Current | 80 kA / 105 kA |
| Drawer Operational Positions | Connection, Test, Disconnection |
| Standards Compliance | IEC 61439-1 & 2, GB 7251.1 |
Target Applications
Heavy industrial manufacturing, water treatment plants, power plant auxiliary systems, data centers, oil and gas platforms, paper mills, airport terminals, and automated assembly lines.
6. GGD Low-Voltage Fixed-Type Distribution Cabinet
Product Introduction
The GGD Low-Voltage Fixed-Type Distribution Cabinet is an incredibly robust, versatile, and cost-effective solution for power distribution systems. Operating at AC 50Hz, rated working voltages up to 380V, and currents up to 3150A, it is the standard workhorse for modern industrial plants.
The GGD cabinet features an open-frame structural chassis welded from high-quality cold-rolled steel, offering excellent natural ventilation, structural rigidity, and optimal thermal performance. It offers a broad array of standard electrical schemes, providing incredible flexibility for power engineers.
Key B2B Advantages
- Outstanding Cost-Performance Ratio: Extremely economical fixed installation layout compared to withdrawable gear, minimizing capital expenditure.
- Exceptional Ventilation Layout: Natural convective cooling through strategically placed dissipation slots ensures stable operations under full loads.
- High Dynamic & Thermal Stability: Frame structures are engineered to handle extreme short-circuit forces without mechanical distortion.
- Simple Maintenance Access: Double-door rear panels and clear internal layouts facilitate quick component testing and terminal routing.
Technical Specifications
| Parameter | Specification / Value |
| Rated Working Voltage | AC 380 V / 400 V |
| Rated Insulation Voltage | AC 660 V |
| Rated Current | Up to 3150 A |
| Rated Short-Time Withstand Current (1s) | 15 kA / 30 kA / 50 kA |
| Protection Level | IP30 / IP40 (Customized) |
| Structural Frame | cold-rolled C-profile steel welded structure |
| Standards Compliance | IEC 61439-1, GB 7251.12 |
Target Applications
Substations, factory power centers, mining enterprises, pump houses, small-to-medium manufacturing plants, commercial buildings, and rural power grids.
7. GGJ Low-Voltage Reactive Power Compensation Cabinet
Product Introduction
The GGJ Low-Voltage Reactive Power Compensation Cabinet is an intelligent grid-efficiency device that combines automatic power factor correction (PFC) with real-time grid monitoring. Operating on 3-phase 0.4kV distribution networks, it automatically adjusts the connection of capacitor banks based on real-time reactive load demands.
By maintaining an optimal power factor (above 0.95), the GGJ cabinet drastically reduces transformer reactive losses, enhances grid load-carrying capacity, improves power quality, and prevents reactive power penalties from utility companies.
Key B2B Advantages
- Substantial Energy Savings: Drastically lowers system active losses and line current, resulting in lower monthly energy bills and higher ROI.
- Dynamic Intelligent Control: Microprocessor controller automatically rotates capacitor steps based on reactive load to ensure equal wear and prolong component life.
- Comprehensive Grid Monitoring: Features a digital LCD panel to track three-phase voltage, current, power factor, reactive power, and harmonic distortion in real time.
- Advanced Equipment Protection: Includes automatic isolation, overvoltage/undervoltage protection, overcurrent protection, and harmonic filtering reactors.
Technical Specifications
| Parameter | Specification / Value |
| Rated Voltage | AC 380 V / 400 V / 415 V |
| Compensation Capacity | 30 kvar to 600 kvar (Customized) |
| Power Factor Target | 0.90 to 0.99 (Programmable) |
| Switching Step Accuracy | ≤ 5 seconds per step |
| Capacitor Medium | Self-healing metallized film capacitors |
| Control Mode | Automatic / Manual override switch |
| Standards Compliance | IEC 61921, GB/T 15576 |
Target Applications
Industrial manufacturing plants with large inductive motor loads, commercial commercial developments, water municipal utilities, logistics hubs, and heavy-load primary substations.
8. XBW-12/24 Type Pre-installed Box-Type Transformer Substation
Product Introduction
The XBW-12/24 Type Pre-installed Box-Type Transformer Substation (commonly known as a Compact or Packaged Substation) is a highly integrated outdoor power solution. This compact plant houses a medium-voltage switchgear/RMU chamber, a power transformer chamber, and a low-voltage distribution switchboard within a single, highly durable, and insulated prefabricated enclosure.
Designed for complete weatherproof resilience, the XBW substation independently performs high-to-low voltage transformation, power line protection, metering, and distribution functions.
Key B2B Advantages
- Turnkey Plug-and-Play Solution: Factory-assembled, wired, and fully tested to minimize onsite labor, civil foundation works, and commissioning time.
- Extremely Compact Layout: Saves up to 80% of land area compared to traditional indoor or brick substations, perfect for urban spaces.
- Maximum Outdoor Protection: Double-walled, insulated, and painted enclosure provides excellent resistance to rain, corrosion, dust, and direct sunlight.
- Flexible Structural Styling: Outer shell can be customized with metal, GFRC, composite wood, or brick aesthetics to blend with local architectural environments.
Technical Specifications
| Parameter | Specification / Value |
| Rated Voltage (High Voltage Side) | 12 kV / 24 kV |
| Rated Voltage (Low Voltage Side) | 0.4 kV |
| Rated Transformer Capacity | 50 kVA to 1600 kVA |
| Protection Level | IP43 / IP54 (Chamber-specific) |
| Enclosure Material | Stainless steel / Al-Zn alloy / GFRC cement composite |
| Noise Attenuation | Low noise design with temperature-controlled fan ventilation |
| Standards Compliance | IEC 62271-202, GB/T 17467 |
Target Applications
Urban public distribution grids, residential communities, commercial high-density centers, industrial parks, highway lighting systems, temporary construction sites, and remote renewable energy fields.
9. One-and-a-Half Circuit Breaker Ring Main Unit (Smart RMU)
Product Introduction
The One-and-a-Half Circuit Breaker Ring Main Unit (Smart RMU) represents the next generation of digitized medium-voltage distribution. This state-of-the-art cabinet integrates high-voltage vacuum switches, digital protection relays, and smart monitoring controllers into a compact, unified gas-insulated enclosure.
Through automated data processing and standardized communications, the Smart RMU monitors switch positions, load currents, internal temperatures, and gas pressures in real time. It supports remote SCADA telemetry and can automatically locate, isolate, and report distribution grid faults.
Key B2B Advantages
- Highly Integrated Secondary Electronics: Eliminates complex external wiring between primary switches and secondary smart relays, reducing cabinet dimensions.
- Self-Healing Distribution Grid: Automatically isolates downstream circuit faults and restores power to non-faulted branches without manual intervention.
- IoT & Cloud-Enabled Telemetry: Supports real-time status diagnostics, alert push notifications, and analytics via smartphones, tablets, or remote PC control rooms.
- Robust Fault Tolerant Control: Uses a one-and-a-half circuit breaker wiring scheme to provide unmatched reliability and redundant power flow routing.
Technical Specifications
| Parameter | Specification / Value |
| Rated Voltage | 12 kV / 24 kV |
| Rated Current | 630 A / 1250 A |
| Breaking Current (Vacuum Breaker) | 20 kA / 25 kA |
| Communications Interface | RJ45, RS485, Fiber Optic (IEC 60870-5-104, Modbus) |
| Controller Display | High-resolution color HMI touchscreen |
| Protection Level | IP67 (High Voltage Tank) \ |
| Standards Compliance | IEC 61850 (Smart Communications), IEC 62271-200 |
Target Applications
Smart city municipal grids, advanced industrial automation parks, large renewable solar/wind grid tie-ins, transport microgrids, and unmanned automated substations.
10. Outdoor Cable Branch Box without Switch (Fully Insulated)
Product Introduction
The Outdoor Cable Branch Box without Switch is a high-safety, fully sealed, and fully insulated electrical junction box designed for cable networking and branching. The main high-voltage circuit features prefabricated silicone rubber or EPDM separable connectors, ensuring complete insulation and zero electrical hazard clearance requirement.
The compact box body is manufactured from 2mm thick structural stainless steel plates, coated with heavy-duty outdoor powder coating, making it highly resistant to harsh environmental corrosion, rain, dust, and vandalism.
Key B2B Advantages
- Maximum Personnel Safety (Touch-Safe): Fully insulated, shielded cable connectors ensure the entire unit is safe to touch during operation.
- Maintenance-Free Stainless Steel Housing: Corrosion-resistant 2mm thick stainless steel enclosure with IP33D to IP65 ratings ensures decades of service life.
- Rapid Fault Localization: Equipped with integrated electronic fault indicators to immediately alert operators of downstream short-circuits.
- Minimal Footprint & Fast Setup: Compact box requires no deep civil foundations and is easily integrated into public streets or parks.
Technical Specifications:
| Parameter | Specification / Value |
| Rated Voltage | 12 kV / 24 kV |
| Rated Current | 630 A |
| Peak Dynamic Withstand Current | 50 kA / 63 kA |
| Housing Material | 2.0mm Grade 304/316 Stainless Steel Plate |
| Protection Level | IP33D to IP65 |
| Connection Interfaces | Prefabricated silicone touchable cable connectors |
| Standards Compliance | IEC 61439-5, GB/T 11022 |
Target Applications
Urban underground cable distribution networks, municipal parks, roadsides, industrial zones, high-density commercial complexes, and public power terminal branches.
11. DFW Low-Voltage Cable Distribution Box
Product Introduction
The DFW Low-Voltage Cable Distribution Box (also known as an Outdoor Feeder Pillar) is designed for AC 50Hz, rated working voltage 0.4kV outdoor low-voltage power networks. It is the premier terminal distribution equipment for cable incoming, outgoing, and branching circuits.
Featuring an exceptionally rugged, weatherproof structural cabinet, the DFW series provides high mechanical strength, rainproof venting, and optimal operator safety.
Key B2B Advantages
- Exceptional Climate Resilience: Highly resistant to rain, intense UV rays, wind, and severe dust, maintaining high dielectric strength over long life.
- Highly Safe & Insulated Internals: Utilizes insulated copper busbars and protective polycarbonate isolation barriers to prevent accidental contact.
- Engineered for Urban Retrofits: Sleek, unobtrusive design fits perfectly into crowded metropolitan areas and urban power grid renovation projects.
- Seismic and Impact Strength: Robust construction easily handles severe ground vibration, external impacts, and up to 8-degree earthquake forces.
Technical Specifications
| Parameter | Specification / Value |
| Rated Voltage | AC 380 V / 400 V (0.4 kV) |
| Rated Frequency | 50 Hz / 60 Hz |
| Rated Insulation Voltage | AC 660 V |
| Rated Peak Withstand Current | Up to 50 kA |
| Protection Level | IP44 (Outdoor standard) |
| Seismic Resistance | Grade 8 earthquake intensity |
| Standards Compliance | IEC 61439-5, GB 7251.5 |
Target Applications
Industrial parks, municipal street light distribution, residential quarters, commercial high-density streets, mining yards, sea ports, and urban grid upgrade projects.
12. Eco-Friendly Gas Insulated Switchgear Unit (Eco-GIS RMU)
Product Introduction
The Eco-Friendly Gas Insulated Switchgear Unit (Eco-GIS RMU) represents the next major evolutionary step in green medium-voltage distribution. Engineered to completely eliminate the high-carbon footprint of SF6 gas, this unit utilizes eco-friendly insulation gases such as Clean Dry Air (CDA), Pure Nitrogen (N2), or proprietary low-GWP gas mixtures as its primary insulation medium.
Breaking operations are handled by state-of-the-art vacuum interrupters, combining environmentally benign materials with long-life maintenance-free performance.
Key B2B Advantages
- Zero SF6 / Carbon Footprint: Supports international net-zero carbon goals and green building certifications, exempt from SF6 reporting regulations.
- Completely Sealed Stainless Steel Gas Tank: Protects all high-voltage elements from ambient humidity, dust, and oxidation, ensuring long-term dielectric performance.
- Highly Sustainable VAC Breaking: Modern vacuum interrupters guarantee millions of highly efficient breaking operations with zero gas degradation.
Plug-and-Play Compatibility: Matches standard gas-insulated cabinet dimensions, allowing for drop-in replacement on existing concrete pads.
Technical Specifications
| Parameter | Specification / Value |
| Rated Voltage | 12 kV |
| Insulation Medium | Clean Dry Air (CDA) / Nitrogen (N2) / Low-GWP Gas |
| Core Breaking Unit | High-performance Vacuum Interrupter (VCB) |
| Rated Current | 630 A / 1250 A |
| Rated Short-Time Withstand Current (4s) | 20 kA / 25 kA |
| Gas Tank Protection Level | IP67 (Hermetically sealed) |
| Standards Compliance | IEC 62271-200, IEC 62271-304 |
Target Applications
Carbon-neutral corporate sites, green municipal grids, clean water utilities, wind turbine tower foundations, highway systems, and green building projects.
13. Smart Electric Meter Box Enclosure
Product Introduction
The Smart Electric Meter Box Enclosure is a specialized protective cabinet engineered to house and secure power billing and metering equipment. Designed for multi-tenant residential, commercial, or industrial applications, it protects sophisticated electronic smart meters and incoming circuit breakers from mechanical impacts, rain, UV aging, and dust.
The enclosure incorporates strict anti-tampering and energy theft-prevention mechanisms, while maintaining high-grade optical transparency for physical meter reading.
Key B2B Advantages
- Robust Weatherproofing: Rainproof, dustproof, and UV-stabilized housing maintains long-term structural integrity in hot, cold, or salty coastal climates.
- Anti-Theft and Anti-Tamper Security: Outfitted with professional security lock mechanisms, seal tabs, and internal baffles to prevent illegal power tapping.
- High-Optical Polycarbonate Windows: Double-layered polycarbonate inspection windows enable convenient meter readings while remaining impact-proof.
- Flexible Modular Layouts: Configurable to house multiple single-phase/three-phase smart meters, micro circuit breakers (MCBs), and terminal blocks.
Technical Specifications
| Parameter | Specification / Value |
| Rated Insulation Voltage | AC 660 V |
| Rated Working Voltage | AC 220 V / 380 V |
| Enclosure Material | Cold-rolled steel / Polycarbonate (PC) / SMC glass fiber |
| Enclosure Thickness | 1.2mm to 2.0mm (Depending on size) |
| Protection Level | IP43 to IP54 |
| Mounting Type | Wall-mount / Pole-mounted |
| Standards Compliance | IEC 61439-3, GB 7251.3 |
Target Applications
Residential housing compounds, shopping centers, municipal utility networks, rural electrification grids, and industrial factory multi-point metering centers.
14. FL(R)N36-12/24(D) Type SF6 Load Break Switch (LBS)
Product Introduction
The FL(R)N36-12/24(D) Type SF6 Load Break Switch (LBS) and FLRN36-12/24(D) Fuse Combination Electrical Apparatus are high-performance medium-voltage switching units. Ideal for three-phase AC 12kV/24kV ring networks, they offer cost-effective and highly reliable control and short-circuit protection.
The load break switch easily handles normal load currents and overload current. When paired with high-speed current-limiting fuses, the fuse handles large fault currents, acting as a highly economical, compact alternative to traditional vacuum circuit breakers.
Key B2B Advantages
- Three-Position Positive Mechanical Lock: Operates as “Closed,” “Open,” or “Grounded” with secure interlocks to completely eliminate grounding-on-load hazards.
- Highly Economical Protection Alternative: Combining the SF6 load break switch with a fuse offers equal safety protection to a circuit breaker at a fraction of the cost.
- Rapid Arc Quenching Performance: Utilizes SF6 gas in a compact rotary double-break gas chamber to quench high-energy arcs within milliseconds.
- Extremely Compact and Space-Saving: Designed for direct mounting inside compact RMUs, cable branch boxes, and prefabricated package substations.
Technical Specifications
| Parameter | Specification / Value |
| Rated Voltage | 12 kV / 24 kV |
| Rated Current (LBS) | 630 A |
| Rated Short-Circuit Breaking Current (LBS+Fuse) | 31.5 kA / 40 kA |
| Operation Positions | Closed, Open, Grounded |
| Operating Mechanism | Spring energy storage (Manual or Motor-driven 24V/110V/220V) |
| Mechanical Endurance | 3000 operations |
| Standards Compliance | IEC 62271-105, GB 16926 |
Target Applications
High-voltage ring main units (RMUs), package substations, outdoor cable distribution branch boxes, and secondary municipal distribution substations.