250A Molded Case Circuit Breaker (MCCB)
This molded case circuit breaker (MCCB) is designed for AC 400/415V electrical systems. It provides overcurrent and short-circuit protection.





Technical Specifications
Overview
High-Performance Molded Case Circuit Breaker
This 250A MCCB is designed for reliable protection in AC 400/415V electrical systems, offering stable performance across a wide range of industrial applications. It features a compact design with effective arc shortening technology and high-quality silver contacts for enhanced conductivity and longevity. With multiple wiring options and a comprehensive suite of compatible accessories, it provides a flexible and robust solution for overcurrent and short-circuit protection.
Electrical Ratings
Rated Current
Voltage Specifications
| Parameter | Value |
|---|---|
| Rated Operational Voltage (Ue) | AC 400/415V |
| Insulation Voltage (Ui) | AC 800V |
| Impulse Withstand Voltage (Uimp) | 8kV |
| Frequency | 50/60Hz |
Breaking Capacity
Short-Circuit Breaking Capacity
| Type | Icu (Ultimate) | Ics (Service) |
|---|---|---|
| L (Standard) | 35kA | 25kA |
| M (Middle) | 50kA | 35kA |
Protection Features
Protection Settings
- Short-circuit setting current: 10In
- Ambient operating temperature: Up to +40°C
- Effective arc shortening technology
- Overcurrent protection
Construction & Design
Design Features
- Copper terminals with silver contacts
- High-quality durable shell
- Manual toggle operation handle
- Integrated reset button
- Compact volume for space-saving installation

Physical Dimensions
Product Dimensions
| Dimension | Value |
|---|---|
| Height | 165mm |
| Width | 107mm |
| Depth | 110mm |
| Side Profile | 86mm |
Accessories & Options
- Compatible Accessories
- Back panel connectionPlug-in connectionElectromagnetic operationMotor-driven operationRotary handleUnder-voltage releaseShunt releaseAlarm contactAuxiliary contact



