High-performance miniature circuit breaker (MCB) for smart structural protection
Secure your electrical infrastructure and valuable appliances against hazardous current spikes with our Premium Miniature Circuit Breaker (MCB). Designed to replace outdated, slow-acting electrical fuses, this modern safety switch provides automated, highly accurate current monitoring for your power lines. It serves as the primary line of defense inside your main distribution board, preventing electrical fires and equipment blowouts before they can start.
Advanced thermal-magnetic dual-action defense
Engineered for uncompromising safety, this MCB utilizes a dual-action thermal-magnetic tripping mechanism to isolate electrical faults instantly:
- Overload Protection (Thermal): Features a precision bimetallic strip that heats up and bends over time if an appliance draws slightly too much current, gently shutting down the circuit before wires can melt.
- Short-Circuit Protection (Magnetic): Utilizes an electromagnetic coil that instantly triggers the trip mechanism within milliseconds during a severe short circuit, suppressing dangerous arcs and preventing catastrophic fire hazards.
Industrial-grade reliability and quick resetting
Molded from premium, self-extinguishing fire-retardant polymer, the robust outer housing safely encloses internal arc chutes that quickly cool down and extinguish electrical sparks. The ergonomic on/off toggle switch provides clear status indication, allowing for effortless, tool-free manual resetting once the electrical fault has been resolved. Thick brass terminals with deep screw slots ensure a tight, low-resistance connection to your copper busbars or power cables.
Product features
- Dual-Action Guard: Instant electromagnetic tripping for short circuits combined with bimetallic thermal tripping for continuous overloads.
- Flame-Retardant Casing: High-insulation, heat-resistant molding prevents tracking and withstands severe thermal stress.
- Standard DIN-Rail Mount: Features a spring-loaded snap clip on the back for rapid, universal installation into standard electrical distribution boxes.
- Clear Trip Window Indicator: Provides a visual color cue (Red/Green) to instantly identify whether the circuit is safely connected, open, or tripped.
Technical specifications
- Product Type: Miniature Circuit Breaker (MCB)
- Pole Configurations: 1-Pole (SP) | 2-Pole (DP) | 3-Pole (TP) | 4-Pole (QP)
- Current Ratings Available: 6A, 10A, 16A, 20A, 32A, 40A, 63A
- Tripping Curves: B-Curve (Lighting/Domestic) | C-Curve (Standard/Appliances) | D-Curve (Inductive/Motors)
- Breaking Capacity: 6kA / 10kA at 230V/400V AC
- Application: Perfect for main distribution boards, residential apartment panels, office server rooms, AC power lines, and commercial machinery panels.
