380V/3150A fixed switchgear with natural convection cooling and 50kA withstand for cost-effective industrial power distribution.
Dedicated bottom-to-top ventilation slots create self-sustaining airflow path; eliminates fan dependency and reduces maintenance while maintaining component temperature rise within IEC limits under full 3150A load.
20mm hole pattern on C-profile enables >99% part standardization and factory pre-production; reduces on-site assembly time by 40% versus custom-welded frames while ensuring ±0.1mm dimensional consistency.
Validated short-circuit endurance and ZMJ high-flame-retardant PPO busbar clamps ensure mechanical integrity during fault conditions; independent pressure relief ducts limit arc-flash energy propagation.
±0.1mm tolerance via industrial robots guarantees ≥99.5% assembly accuracy; German water-based electrostatic paint achieves ≤5μm uniformity and 0.3% defect rate, backed by 3,000h salt spray validation for 30-year service life.
Removable top cover with integrated lifting rings facilitates on-site busbar adjustment and cable termination; hinged doors with rubber gaskets and threaded grounding screws ensure complete IP30 sealing and continuous equipotential bonding.
Laser scanning confirms ±0.1mm frame tolerance on every cabinet; busbar alignment and door seal compression tested per IEC 61439-2 to validate field installability without rework.
Salt spray and thermal cycling test reports referenced to actual batch samples; coating thickness and adhesion measured per ISO 12944 to confirm C5-M environment suitability.
Dielectric withstand, 50kA short-time current, and thermal rise under natural convection tested in CNAS-accredited lab; reports traceable to IEC 61439-1/2 and GB/T 7251.
Interface compatibility verified for ABB, Siemens, Schneider, and domestic breakers/contactors; busbar clamp torque and contact resistance measurements documented to ensure long-term thermal stability.
| Item | Unit | Parameter | |
| Rated Voltage | kV | 12 | |
| Power Frequency Withstand Voltage (1min) | Phase to Phase & Phase to Earth | kV | 42 |
| Isolating Break, Vacuum Break | kV | 48 | |
| Lightning Impulse Withstand Voltage | Phase to Phase & Phase to Earth | kV | 75 |
| Isolating Break, Vacuum Break | kV | 85 | |
| Rated Frequency | Hz | 50 | |
| Rated Current | A | 630 | |
| Rated Short-Circuit Breaking Current | kA | 20 | |
| Rated Short-Time Withstand Current (Main Circuit / Earthing Switch / Earthing Circuit) | kA | 20/20/17.4 | |
| Rated Short-Circuit Duration (Main Circuit / Earthing Switch / Earthing Circuit) | s | 2004/4/4 | |
| Rated Peak Withstand Current (Main Circuit / Earthing Switch / Earthing Circuit) | kA | 50/50/43.5 | |
| Rated Short-Circuit Making Current (Peak) | kA | 50 | |
| Mechanical Endurance (Circuit Breaker / Disconnector / Earthing Switch) | Times | 10000/3000/3000 | |
| Electrical Endurance | Times | 30 (at full capacity) | |
Power distribution, busbar coupling, feeder, motor control, reactive compensation, or lighting panels; all pre-validated for thermal performance and mechanical interlock coordination.
Standard 630–3150A main bus, 50kA withstand; custom ratings available based on verified type-test data for unique load profiles.
Nano-ceramic + German paint for C5-M/CX zones; anti-condensation heaters and filtered ventilation for humid/dusty sites; low-temperature lubricants for -40°C operation.
Standard IP30; optional IP20 for ventilated indoor use or IP40 for dust-sensitive environments; all validated per IEC 60529 ingress protection testing.
RAL color matching, bilingual labels, QR-coded digital manuals; custom compartment layouts for special metering, automation, or auxiliary power requirements.
Dedicated busbar handling tools included; spare parts kits tailored to component brand; extended warranty packages backed by 80+ country service network.
Optional mechanical/electrical interlocks for door-open prevention; arc-flash detection systems with <10ms trip response; enhanced grounding continuity verification points.
Tell us your project requirements—voltage level, environment, grid code, or delivery timeline—and we’ll provide a compliant, optimized solution.
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