Why Choose the ABB S203-Z0.5 Miniature Circuit Breaker?
The ABB S203-Z0.5 is a high precision three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Designed for dependable overload and short circuit protection, it is particularly suited to sensitive electronic equipment, semiconductor circuits and industrial control systems where very fast fault disconnection is essential.
Featuring a Z tripping characteristic, the S203-Z0.5 is engineered for circuits with very low overload tolerance and rapid magnetic tripping. This makes it ideal for protecting PLCs, instrumentation, electronic control equipment, measuring devices and semiconductor components that require enhanced protection against fault currents.
With a 0.5 A rated current, three-pole configuration and a 6 kA short circuit breaking capacity, this DIN rail mounted miniature circuit breaker provides reliable circuit protection, compact installation and compliance with recognised international electrical standards.
Key Advantages
- Compact three-pole miniature circuit breaker for sensitive industrial applications.
- Z curve tripping characteristic for electronic and semiconductor protection.
- 0.5 A rated current for low current circuits.
- 6 kA breaking capacity for dependable fault interruption.
- Fast magnetic tripping for enhanced protection of sensitive equipment.
- DIN rail mounting for quick installation inside switchboards and control panels.
Key Features
- ABB System pro M Compact S200 series.
- Three-pole (3P) configuration.
- 0.5 A rated current.
- Z tripping characteristic.
- 6 kA rated short circuit breaking capacity.
- Suitable for AC/DC applications.
- Failsafe bi-directional cylinder-lift screw terminals.
- Compatible with ABB S200 auxiliary contacts and accessories.
Reliable Protection for Sensitive Electronic Equipment
The ABB S203-Z0.5 combines delayed thermal overload protection with an extremely sensitive magnetic trip for short circuit protection. Its Z characteristic provides rapid disconnection during fault conditions, helping protect delicate electronic devices and semiconductor equipment from damage.
The compact design allows efficient installation within industrial control panels, automation cabinets and electrical distribution systems where precision circuit protection is required.
Typical Applications
- PLC and automation systems.
- Electronic control equipment.
- Semiconductor protection.
- Instrumentation circuits.
- Industrial control panels.
- Machine building and OEM equipment.
