Description

The SH203-C20 miniature circuit breaker from ABB’s SH200 series delivers reliable overload and fault protection for three-phase installations. Built for efficiency and compactness, it integrates seamlessly into residential and light-commercial panels. With both thermal and electromechanical tripping mechanisms, it ensures safety under variable load conditions. For optimized installation and electrical distribution, explore our comprehensive electrical and automation solutions built to support efficient, scalable systems.

Key Specifications – SH203-C20 Mini Circuit Breaker

• Model: SH203-C20

• Rated Current: 20 A

• Tripping Curve: Type C

• Poles: 3P

• Voltage: 230 / 400 V AC

• Breaking Capacity: 6 kA

• Standards: IEC/EN 60898-1

• Mounting: DIN-rail

Highlights

• Dual protection mechanism for accurate fault detection

• Compact size for modular panels

• Suitable for moderate inrush circuits like HVAC and lighting

• High-quality ABB manufacturing

Typical Uses

• Three-phase lighting and control systems

• Residential and small commercial distribution panels

• Sub-distribution and automation circuits

Installation & Support

Simple DIN-rail mounting with labeled terminals for quick setup.

• Supplied with wiring guide

• Supported by ARC Technologies service team