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SH201B20 ABB 1 pole MCB for home consumer units type b 20amp 6ka
ABB HSSH-B20 Housemaster single pole Type B 20 A miniature circuit breaker with 6 kA breaking capacity for overload and short-circuit protection.
£10.14
Why Choose the ABB HSSH-B20 Housemaster MCB?
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.
Key Advantages
- Compact single pole miniature circuit breaker.
- 20 A rated current for general circuit protection.
- Type B tripping characteristic for low inrush current applications.
- 6 kA short-circuit breaking capacity.
- Thermal and electromagnetic trip mechanisms.
- Designed for ABB Housemaster and Compact Home distribution boards.
Key Features
- ABB Housemaster / SH200 series.
- Single pole (1P).
- 20 A rated current.
- Type B trip curve.
- 6 kA breaking capacity at 230/400 V AC.
- Thermal overload and magnetic short-circuit protection.
- DIN rail mounting.
- Toggle actuator with ON/OFF indication.
Reliable Circuit Protection for Everyday Electrical Installations
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.
Typical Applications
- Residential consumer units.
- Commercial distribution boards.
- Socket outlet circuits.
- Lighting installations.
- General purpose power circuits.
- Maintenance and replacement projects.
Technical Specifications
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| Current | 20 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 6 kA | |
| 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 |
Frequently Asked Questions
What is the ABB HSSH-B20 used for?
The ABB HSSH-B20 protects electrical circuits against overloads and short circuits in residential and commercial distribution systems.
What current rating does the HSSH-B20 have?
The HSSH-B20 has a rated current of 20 A.
What is a Type B tripping characteristic?
Type B circuit breakers trip quickly under relatively low inrush currents, making them suitable for lighting, socket outlets and general electrical circuits.
What is the breaking capacity of the HSSH-B20?
The ABB HSSH-B20 provides a 6 kA short-circuit breaking capacity at 230/400 V AC.
How is the HSSH-B20 installed?
The circuit breaker mounts directly onto a standard DIN rail inside compatible consumer units and distribution boards.
Trusted by Electrical Professionals Worldwide
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.
