Designed to occupy minimal space while providing reliable circuit protection.
A Miniature Circuit Breaker (MCB) is a widely used basic electrical protection device that automatically disconnects a circuit in the event of an overload or short circuit. Voltecon MCB products cover various current ratings, pole configurations, and breaking capacities, making them suitable for circuit protection and control in commercial buildings, industrial facilities, and general electrical installations.
Compared with traditional fuse protection, MCBs offer reusability, easy operation, and a compact design, making them particularly suitable for electrical installations that require centralized mounting, clear classification, and ongoing maintenance.

Designed to occupy minimal space while providing reliable circuit protection.
After the fault has been cleared, the breaker can be manually reset for easier maintenance and circuit recovery.
Available with different trip characteristics to match various load types and circuit protection requirements.
Provides overload and short-circuit protection to help improve safety in low-voltage electrical installations.
MLKBD1-63 miniature circuit breaker.

| Pole | 1P | 2P, 3P, 4P |
|---|---|---|
| Rated Current (A) | 6, 10, 16, 20, 25, 32, 40, 50, 63 | |
| Rated Voltage (V) | 230 / 240 | 400 / 415 |
| Ambient Temperature | -5°C to +40°C | |
| Instantaneous Release Type | B, C, D | |
| Rated Short-Circuit Breaking Capacity Icn (kA) | 6 kA (1–40 A) / 4 kA (50–63 A) | |
Learn about product protection features, selection criteria, and application principles.
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