BG Fortress CUMB63 63A Single Pole 1 Module 6kA B Curve MCB

The BG Fortress CUMB63 63A Single Pole B Curve MCB is a bidirectional miniature circuit breaker designed to provide dependable protection against overloads and short-circuit faults. With a 63A current rating, 6kA breaking capacity and B Curve tripping characteristic, it is ideal for applications where current can flow in both directions, including photovoltaic (PV), electric vehicle (EV) charging systems and control circuits.

Designed for use in BG Fortress consumer units, this compact 1-module DIN rail mounted MCB offers quick installation, reliable circuit protection and a professional finish for residential and commercial electrical installations.

Key Features

• 63A single pole miniature circuit breaker.
• Bidirectional operation for applications with reverse current flow.
• 6kA short-circuit breaking capacity.
• B Curve tripping characteristic for rapid response on sensitive loads.
• Compact 1-module design saves space within consumer units.
• DIN rail mounted for fast and secure installation.
• Suitable for BG Fortress consumer units.
• Provides reliable overload and short-circuit protection.

Applications

The BG Fortress CUMB63 is suitable for domestic, commercial and renewable energy installations, including consumer units, photovoltaic (PV) systems, EV charging installations and control circuits requiring bidirectional circuit protection.

Technical Specifications

• Brand: BG Fortress
• Model: CUMB63
• Current Rating: 63A
• Tripping Curve: B Curve
• Breaking Capacity: 6kA
• Poles: Single Pole
• Modules: 1 Module
• Mounting: DIN Rail
• Operation: Bidirectional

Data Sheet:

Download the BG Fortress CUMB63 Data Sheet (PDF)