ABB HSSH-B25 Housemaster miniature circuit breaker, single pole Type B 25 A MCB with 6 kA breaking capacity for overload and short-circuit protection in compatible distribution boards and consumer units.
£18.44
The ABB HSSH-B25 is a compact Housemaster miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits. As a single pole Type B 25 A MCB, it is suitable for circuits with low inrush current, including domestic, commercial and light industrial electrical installations.
Manufactured by ABB, the HSSH-B25 forms part of the trusted Housemaster circuit protection range and is associated with the ABB SH201-B25 Compact Home SH200 series. It provides dependable circuit protection in a compact modular format suitable for compatible consumer units and distribution boards.
With a 25 A rated current, Type B tripping characteristic and 6 kA short-circuit breaking capacity, the ABB HSSH-B25 provides reliable fault disconnection for general purpose electrical circuits while supporting safe, compliant low-voltage distribution.
Miniature circuit breakers automatically disconnect a circuit during overload or short-circuit conditions. This helps protect wiring, connected equipment and electrical installations from damage caused by excessive current.
The ABB HSSH-B25 provides dependable protection for 25 A circuits where a Type B tripping curve is required. Its single pole design makes it suitable for phase conductor protection in compatible Housemaster consumer units and distribution boards.
| Current | 25 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | Housemaster / Compact Home SH200 |
| Model | HSSH-B25 |
| Alternative reference | SH201-B25 |
| Product type | Miniature circuit breaker |
| Rated current | 25 A |
| Tripping characteristic | Type B |
| Number of poles | 1 pole |
| Breaking capacity | 6 kA |
| Rated operational voltage | 230 / 400 V AC |
| Rated insulation voltage (Ui) | 440 V |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Protection rating | IP20 |
| Protection function | Overload and short-circuit protection |
| Mounting type | DIN rail / consumer unit mounting |
| Terminal type | Screw terminals with cage connection |
| Operation | Manual switch and reset |
| Frequency | 50 / 60 Hz |
| Standard | IEC/EN 60898-1 |
The ABB HSSH-B25 is used to protect electrical circuits from overloads and short circuits in compatible consumer units and distribution boards.
The HSSH-B25 has a rated current of 25 A.
A Type B MCB is designed for circuits with low inrush current, making it suitable for many domestic lighting, heating and general low-load circuit applications.
The ABB HSSH-B25 is a single pole miniature circuit breaker.
Yes. The HSSH-B25 is part of the ABB Housemaster circuit protection range and is associated with the ABB SH201-B25 Compact Home MCB.
ABB Housemaster circuit protection devices are widely used by electricians, contractors and maintenance engineers for dependable low-voltage protection in residential, commercial and light industrial installations.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...