Molded Case Circuit Breaker 400A, Adjustable Trip
This adjustable MCCB is designed for industrial circuit protection. It is used in circuits with voltage below 690V and working current up to 400A for infrequent transformation and motor starting.
Technical Specifications
Overview
Adjustable Industrial MCCB
This adjustable-type Molded Case Circuit Breaker (MCCB) is an industrial-grade solution designed to meet international standards for power distribution. It is engineered for circuits with a rated voltage of up to 690V and supports working currents up to 400A. The device is versatile, suitable for both infrequent circuit transformation and motor starting applications.
Electrical Ratings
Rated Current (In)
- 225
- 250
- 280
- 300
- 315
- 350
- 400
- Rated Insulation Voltage (Ui)
- 800 V
- Rated Impulse Withstand Voltage (Uimp)
- 8 kV
Performance
Short-Circuit Breaking Capacity
| Level | Icu (kA) | Ics (kA) |
|---|---|---|
| M | 65 | 50 |
| H | 100 | 75 |
Endurance Metrics
4,000 cycles
Mechanical Endurance
1,000 cycles
Electrical Endurance
Settings & Configuration
Available Poles
3P4P
- Magnetic-Adjustable Setting (Ii)
- 8 / 10 / 12 (xIn)
- Thermo-Adjustable Setting (Ir)
- 0.8 / 0.9 / 1.0 (xIn)
Physical Specifications
- Dimensions (3P)
- 150 x 257 x 148 mm
- Dimensions (4P)
- 198 x 257 x 148 mm
Compliance
- Compliance Standard
- IEC60947-2
