320A Thermal Magnetic Molded Case Circuit Breaker
This molded case circuit breaker offers busbar protection against electric shock and reduces internal temperature rise within the electrical cabinet. The product features a high-score breaking structure design, achieving zero arcing distance.
Technical Specifications
Overview
High-Performance 320A MCCB
This 320A Thermal Magnetic Molded Case Circuit Breaker is engineered for robust circuit protection in demanding electrical distribution systems. It features a reliable thermal-magnetic trip mechanism providing both overload and short-circuit protection across high operational voltages up to 1140V. Designed for durability and safety, it is suitable for industrial applications requiring high insulation and impulse withstand capabilities.
Key Performance Metrics
Performance Highlights
320 A
Rated Current
3 P
Number of Poles
1,150 V
Insulation Voltage
Technical Specifications
Breaking Capacity (Icu/Ics)
| Rated Voltage (V) | Icu/Ics (kA) |
|---|---|
| 800V | 36.5 / 36.5 |
| 1000V | 15 / 15 |
| 1140V | 15 / 15 |
- Rated Working Voltages (Ue)
- 800V1000V1140V
- Rated Impulse Withstand Voltage (Uimp)
- 8 kV
Installation & Durability
- Wiring Configuration
- Up incoming and down outcoming
- Mechanical Service Life
- 10000 cycles
- Electrical Service Life
- 5000 cycles
Compliance & Standards
Certifications
CCCCBTüV
Compliance Standards
- GB/T 14048.2
- IEC/EN 60947-2
