Why Choose the ABB S204M-Z40 Miniature Circuit Breaker?
The ABB S204M-Z40 is a compact and reliable miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial, commercial, automation and control applications. As part of the ABB System pro M compact S200M series, it combines thermal and electromagnetic protection with a robust modular design for DIN-rail installation.
This four-pole circuit breaker features a Z tripping characteristic, providing sensitive overcurrent protection for circuits where lower fault-current thresholds are required. The S200M range is designed for reliable circuit protection while offering straightforward integration into distribution boards, control panels and modular electrical assemblies.
With a 40 A rated current, four-pole configuration and AC supply capability, the S204M-Z40 is suitable for sensitive electrical and electronic circuits requiring Z-characteristic protection. Its DIN-rail mounting provides convenient installation in modular low-voltage electrical equipment.
Key Advantages
- Compact miniature circuit breaker designed for sensitive electrical circuit protection.
- 40 A rated current for suitable distribution, control and electronic circuits.
- Four-pole configuration for protection and switching of multi-phase circuits.
- Z tripping characteristic for sensitive overcurrent protection and lower fault-current thresholds.
- 10 kA rated breaking capacity for specified AC applications.
- 15 kA ultimate short-circuit breaking capacity under specified AC conditions.
- DIN-rail mounting for convenient installation in modular electrical assemblies.
Key Features
- ABB System pro M compact S200M series.
- 40 A rated current.
- Four-pole configuration.
- Z tripping characteristic.
- 10 kA rated breaking capacity under specified conditions.
- 15 kA ultimate breaking capacity under specified AC conditions.
- Thermal overload and electromagnetic short-circuit protection.
- DIN-rail mounting for modular distribution equipment.
- Suitable for sensitive electrical, electronic, automation and control applications.
Sensitive Circuit Protection for Electrical and Electronic Applications
The ABB S204M-Z40 protects electrical circuits from sustained overloads and short-circuit faults. Its thermal protection responds to prolonged excessive current, while electromagnetic protection provides rapid interruption during short-circuit conditions.
The Z characteristic is intended for applications requiring sensitive overcurrent protection and lower fault-current thresholds. This makes the S204M-Z40 suitable for electronic equipment, control circuits and other applications where sensitive circuit protection is required. Its four-pole construction and modular DIN-rail format allow integration into electrical distribution and automation systems.
Typical Applications
- Electronic equipment and sensitive electrical circuits.
- Control and instrumentation circuits.
- Industrial automation and control panels.
- Commercial and building electrical distribution systems.
- Electrical circuits requiring sensitive overcurrent protection.
- Multi-phase circuits requiring four-pole protection.
