Molded Case Circuit Breaker (MCCB)
This molded case circuit breaker (MCCB) is designed for reliable circuit protection in electrical distribution systems. It offers adjustable trip settings and a range of breaking capacities to suit various application needs.
Technical Specifications
Overview
Reliable Circuit Protection
The EM63B/EM63N series molded case circuit breakers (MCCB) are engineered for robust circuit protection within electrical distribution systems. Designed for versatility, these units feature adjustable trip settings and multiple breaking capacities to accommodate diverse application requirements. Each unit includes a clear ON/OFF indicator and a dedicated test button for quick functional verification.
Electrical Ratings
Rated Current
63 A
Rated Current
500 V
Insulation Voltage (Ui)
6,000 V
Impulse Withstand (Uimp)
- Rated Working Voltage
- 400/415 AC V
- Operating Frequency
- 50/60 Hz
Performance
Breaking Capacity Matrix
| Voltage (Ue) | Capacity (Icu) |
|---|---|
| 220/240V | 30kA |
| 400/415V | 16kA |
| 660/690V | 12kA |
- Service Breaking Capacity (Ics)
- 75% of Icu
Compliance & Standards
- Certifications
- CEKEMAIEC 60947-2
Mechanical
Pole Configuration
- 3-Pole
- 4-Pole
Key Features
Visible ON/OFF IndicatorFunctional Test Button
- Rated Ambient Temperature
- 40 °C
