Why Choose the ABB S201-B2 Miniature Circuit Breaker?
The ABB S201-B2 is a compact and dependable single-pole miniature circuit breaker (MCB) designed to protect low-voltage electrical circuits against overloads and short circuits. As part of the established ABB System pro M compact S200 range, it combines current-limiting performance with reliable thermal-magnetic tripping for residential, commercial and industrial installations.
Featuring a 2 A rated current and a Type B tripping characteristic, the S201-B2 is particularly suitable for circuits with low starting currents. Typical uses include control circuits, instrumentation, signalling equipment, lighting controls and other sensitive low-current electrical loads.
The circuit breaker has a rated short-circuit breaking capacity of 6 kA at 230/400 V AC in accordance with IEC/EN 60898-1. Its slim single-module format and standard DIN rail mounting make it straightforward to install within distribution boards, control panels and automation enclosures.
Key Advantages
- Compact 2 A miniature circuit breaker for low-current circuits.
- Type B tripping characteristic suitable for loads with low inrush currents.
- Provides reliable protection against overloads and short circuits.
- 6 kA rated breaking capacity according to IEC/EN 60898-1.
- Current-limiting design helps reduce stress on cables and connected equipment.
- Compatible with accessories from the ABB System pro M compact range.
Key Features
- ABB System pro M compact S200 series.
- Single-pole configuration.
- 2 A rated current.
- Type B tripping curve.
- 230/400 V AC rated operating voltage.
- 6 kA short-circuit breaking capacity.
- Thermal release for overload protection.
- Electromagnetic release for short-circuit protection.
- Standard 35 mm DIN rail mounting.
- Compact one-module design for efficient panel installation.
Reliable Protection for Low-Current Circuits
The ABB S201-B2 uses two complementary tripping mechanisms to provide effective circuit protection. Its delayed thermal release responds to sustained overload conditions, while the electromagnetic release rapidly disconnects the supply when a short circuit occurs.
The Type B characteristic is intended for circuits where normal switch-on currents remain relatively low. This makes the S201-B2 well suited to sensitive control equipment, instrumentation and auxiliary circuits where dependable protection and predictable tripping performance are required.
Typical Applications
- Industrial control and auxiliary circuits.
- Instrumentation and monitoring equipment.
- Building automation systems.
- Lighting control circuits.
- Alarm and signalling systems.
- Commercial and residential distribution boards.
