400A Electronic Molded Case Circuit Breaker
This electronic MCCB is designed for industrial circuit protection. It is used in circuits with rated voltage below 690V and a rated working current up to 400A for infrequent transformation and motor starting.
Technical Specifications
Overview
Industrial Circuit Protection
This electronic molded case circuit breaker is engineered for reliable circuit protection in industrial and commercial electrical distribution systems. It is designed to operate in circuits with rated voltages up to 690V and handles rated working currents up to 400A. The unit is suitable for infrequent transformation and motor starting applications, ensuring safety and performance in demanding environments.
Electrical Ratings
Rated Current (In)
- 200
- 225
- 250
- 280
- 315
- 350
- 400
- Rated Insulation Voltage (Ui)
- 800 V
- Rated Impulse Withstand Voltage (Uimp)
- 8 kV
Performance Metrics
Breaking Capacity (M Variant)
65 kA
Ultimate Short-Circuit (Icu)
42 kA
Service Short-Circuit (Ics)
Breaking Capacity (H Variant)
85 kA
Ultimate Short-Circuit (Icu)
60 kA
Service Short-Circuit (Ics)
Technical Specifications
Endurance Cycles
| Type | Cycles |
|---|---|
| Mechanical | 4,000 |
| Electrical | 1,000 |
- Standards Compliance
- IEC60947-2
- Number of Poles
- 3P4P
- Thermo-adjustable Setting (Ir)
- 0.8 / 0.9 / 1.0 In
- Reference Temperature
- 40°C / 55°C
