Why Choose the ABB S201Z40 Miniature Circuit Breaker?
The ABB S201Z40 is a single-pole miniature circuit breaker (MCB) from ABB's trusted System pro M compact S200 range. Designed with a Z characteristic tripping curve and a 40 A rated current, it provides highly sensitive protection for electronic equipment, control circuits and semiconductor devices where rapid disconnection during low fault currents is essential.
The Z-curve trips magnetically between approximately 2 and 3 times the rated current, making it ideal for protecting sensitive electronic loads that require faster fault clearance than standard B, C or D curve circuit breakers.
Suitable for residential, commercial and industrial installations, the ABB S201Z40 combines dependable overload and short-circuit protection with robust DIN rail mounting, high-quality construction and compatibility with the extensive ABB System pro M compact accessory range.
Key Advantages
- High-quality ABB single-pole miniature circuit breaker.
- 40 A rated current.
- Z characteristic for sensitive electronic circuit protection.
- 10 kA breaking capacity.
- Thermal overload and magnetic short-circuit protection.
- Fully compatible with ABB System pro M compact accessories.
Key Features
- ABB S201Z40 miniature circuit breaker.
- Single-pole (1P) configuration.
- 40 A rated current.
- Z tripping characteristic.
- 10 kA breaking capacity.
- DIN rail mounting.
- Compact 17.5 mm module width.
- Thermal-magnetic trip mechanism.
- Positive contact position indication.
- Suitable for electronic and control circuit protection.
Optimised Protection for Sensitive Electronic Equipment
Unlike conventional B, C or D curve circuit breakers, the ABB S201Z40 is specifically engineered for circuits containing sensitive electronic equipment, programmable controllers, instrumentation and semiconductor devices. Its Z characteristic ensures rapid magnetic tripping at low fault currents, helping minimise damage to valuable equipment.
Manufactured using ABB's proven thermal-magnetic protection technology, the S201Z40 delivers dependable overload protection, excellent short-circuit interruption capability and long operational life in demanding commercial and industrial environments.
Typical Applications
- Electronic equipment protection.
- PLC and automation control panels.
- Instrumentation circuits.
- Semiconductor protection.
- Industrial control systems.
- Commercial electrical distribution.
