Why Choose the ABB EPH-S66122 Protecta Home 22-Way RCCB Consumer Unit?
The ABB EPH-S66122 is a robust and reliable 22-way consumer unit with a 63 A residual current circuit breaker (RCCB), designed for safe and organised electrical distribution in residential installations. As part of the established ABB Protecta Home consumer unit series, it combines electrical distribution capacity with residual current protection, providing a practical solution for domestic installations requiring multiple outgoing circuits.
This consumer unit features a durable steel enclosure manufactured in accordance with BS EN 61439-3, providing a dependable housing for electrical distribution and circuit protection equipment. The EPH-S66122 is supplied with a factory-fitted RCCB, shrouded busbar, earth and neutral bars, and installation instructions. Its RCCB-controlled configuration allows compatible outgoing protective devices to be installed according to the requirements of individual circuits.
With 22 outgoing ways and a 63 A RCCB, the EPH-S66122 is suitable for residential electrical installations requiring extensive circuit distribution and residual current protection. The consumer unit has nominal enclosure dimensions of 250 mm high × 490 mm wide × 105 mm deep and features a RAL7035 steel enclosure, providing a practical distribution solution for domestic properties and electrical installation projects.
Key Advantages
- Robust 22-way consumer unit designed for residential electrical distribution.
- 63 A RCCB provides residual current protection for connected outgoing circuits.
- 22 outgoing ways accommodate multiple domestic electrical circuits.
- Steel enclosure manufactured in accordance with BS EN 61439-3 for low-voltage distribution board applications.
- Factory-fitted RCCB simplifies installation and assembly.
- Supplied with a shrouded busbar and earth and neutral bars.
- Supports installation of compatible ABB miniature circuit breakers and suitable modular protective devices.
- RCCB-controlled distribution arrangement provides residual current protection for the associated circuit group.
- RAL7035 enclosure finish provides a clean and professional appearance.
- Nominal enclosure dimensions of 250 × 490 × 105 mm.
- Part of the established ABB Protecta Home range for domestic electrical installations.
Key Features
- ABB Protecta Home consumer unit series.
- 22-way outgoing circuit configuration.
- 63 A rated RCCB.
- RCCB-controlled distribution arrangement.
- Factory-fitted residual current circuit breaker.
- Steel enclosure construction.
- BS EN 61439-3 distribution board assembly standard.
- RAL7035 enclosure colour.
- Supplied with shrouded busbar.
- Includes earth and neutral bars.
- Installation instructions supplied.
- Designed for compatible modular circuit protection devices.
- Suitable for residential low-voltage electrical distribution.
- 250 mm nominal enclosure height.
- 490 mm nominal enclosure width.
- 105 mm nominal enclosure depth.
Reliable Electrical Distribution and Residual Current Protection
Consumer units such as the ABB EPH-S66122 provide a central location for electrical distribution and protective devices within residential properties. The integrated 63 A RCCB monitors the balance between currents flowing through the live conductors and disconnects the protected circuits when a residual current exceeding its operating threshold is detected. This helps reduce the risks associated with earth leakage faults and electric shock when the installation is correctly designed and maintained.
The ABB Protecta Home series is designed to support practical and organised domestic electrical distribution. The EPH-S66122 features a 22-way RCCB-controlled configuration, providing capacity for multiple outgoing circuits supplying lighting, socket outlets, domestic appliances and other fixed electrical equipment. Its factory-fitted RCCB, shrouded busbar and supplied earth and neutral bars help simplify installation and support an organised distribution board layout.
The 63 A RCCB provides residual current protection but does not itself provide overload or short-circuit protection. Individual outgoing circuits must therefore be equipped with appropriately rated overcurrent protective devices, such as compatible miniature circuit breakers. The RCCB current rating must also be considered alongside the installation load and upstream protection. Correct protective device selection, earthing arrangements and compliance with applicable wiring regulations, including BS 7671 where relevant, are essential for safe and dependable operation.
Typical Applications
- Residential electrical distribution in houses and domestic properties.
- New-build housing electrical installations.
- Consumer unit replacement and electrical refurbishment projects.
- Domestic installations requiring 22 outgoing circuit ways.
- Electrical distribution systems requiring a 63 A RCCB.
- Lighting and socket-outlet circuit distribution.
- Electrical distribution for domestic appliances and fixed equipment.
- Residential installations requiring residual current protection for grouped circuits.
- Domestic distribution boards using compatible outgoing miniature circuit breakers.
- Electrical installation projects requiring organised multi-circuit distribution.
