ABB HSSH-B20 Housemaster single pole Type B 20 A miniature circuit breaker with 6 kA breaking capacity for overload and short-circuit protection.
£18.44
The ABB HSSH-B20 is a compact Housemaster miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits. As a single pole Type B 20 A MCB, it is ideal for residential, commercial and light industrial electrical installations where low inrush current protection is required.
Manufactured by ABB, the HSSH-B20 belongs to the trusted Housemaster / Compact Home SH200 series, offering reliable operation, compact dimensions and straightforward DIN rail installation. The thermal and electromagnetic tripping mechanisms provide fast fault response while maintaining excellent protection for connected circuits.
With a 20 A rated current, Type B tripping characteristic and 6 kA breaking capacity, the ABB HSSH-B20 is suitable for protecting lighting circuits, socket outlets and general purpose electrical distribution where dependable circuit protection is essential.
Miniature circuit breakers automatically disconnect electrical circuits during overload and short-circuit conditions, helping to protect wiring, connected equipment and building installations. The combination of thermal and magnetic tripping provides dependable protection while allowing safe manual isolation when required.
The ABB HSSH-B20 is designed for electricians and panel builders requiring reliable circuit protection in domestic and commercial distribution systems. Its compact one-module design simplifies installation while delivering proven ABB performance.
| Current | 20 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | Housemaster / Compact Home SH200 |
| Model | HSSH-B20 |
| Alternative model | SH201-B20 |
| Product code | 2CDS211001R0205 |
| Product type | Miniature circuit breaker |
| Rated current | 20 A |
| Trip characteristic | Type B |
| Number of poles | 1 |
| Rated operational voltage | 230 / 400 V AC |
| Rated insulation voltage (Ui) | 440 V |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Breaking capacity | 6 kA |
| Frequency | 50 / 60 Hz |
| Degree of protection | IP20 |
| Mounting | DIN rail |
| Terminal type | Screw terminals with cage connection |
| Mechanical endurance | 20,000 operations |
| Electrical endurance | 20,000 operations |
| Operating temperature | -25°C to +55°C |
| Dimensions (H × W × D) | 85 × 17.5 × 69 mm |
| Weight | Approx. 0.125 kg |
| Standard | IEC/EN 60898-1 |
The ABB HSSH-B20 protects electrical circuits against overloads and short circuits in residential and commercial distribution systems.
The HSSH-B20 has a rated current of 20 A.
Type B circuit breakers trip quickly under relatively low inrush currents, making them suitable for lighting, socket outlets and general electrical circuits.
The ABB HSSH-B20 provides a 6 kA short-circuit breaking capacity at 230/400 V AC.
The circuit breaker mounts directly onto a standard DIN rail inside compatible consumer units and distribution boards.
ABB Housemaster miniature circuit breakers are trusted by electricians, contractors and panel builders worldwide to deliver dependable protection, long service life and consistent performance across residential and commercial electrical installations.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...
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...