ABB HSMS4C Housemaster compact 4 way steel consumer unit with 100A incomer isolator, surface mounting and IP30 protection for low-voltage electrical distribution.
The ABB HSMS4C is a compact and reliable 4 way steel consumer unit from the ABB Housemaster range, designed for low-voltage distribution applications in residential, commercial and light industrial electrical installations. Also identified as HSMS 04C and product ID 1SKB106142C4001, this consumer unit provides a practical enclosed solution for circuit protection and power distribution.
Built from cold rolled sheet steel with a steel flap, the ABB HSMS4C offers a robust surface-mounted enclosure for modular protective devices. It is supplied with an incomer isolator, shrouded busbar, earth bar, neutral bar and installation instructions, helping installers complete compact distribution board assemblies efficiently.
With 4 outgoing ways, a 100 A main switch and an IP30 protection rating, the HSMS4C is ideal for smaller installations where dependable ABB build quality, simple wiring access and compact panel dimensions are required.
Consumer units such as the ABB HSMS4C provide a central enclosure for protective devices used in low-voltage electrical installations. They help organise incoming supply, outgoing circuits, neutral connections and earth connections within a safe and accessible distribution board format.
The ABB Housemaster range is designed for practical installation and reliable performance. The HSMS4C is particularly suitable for contractors and panel builders requiring a compact steel consumer unit for small distribution boards, outbuildings, light commercial circuits or dedicated sub-distribution applications.
| Manufacturer | ABB |
|---|---|
| Series | Housemaster |
| Model | HSMS4C / HSMS 04C |
| Product ID | 1SKB106142C4001 |
| Product type | Consumer unit |
| Number of ways | 4 way |
| Number of rows | 1 row |
| Main switch rating | 100 A |
| Main switch poles | 2 pole |
| Mounting type | Surface mounting |
| Housing material | Steel |
| Enclosure finish | RAL7035 steel |
| Degree of protection | IP30 |
| Dimensions (H × W × D) | approx. 256 × 155 × 110 mm |
| Package gross weight | approx. 2.4 kg |
The ABB HSMS4C is used as a compact consumer unit for housing protective devices and distributing low-voltage electrical circuits.
The ABB HSMS4C is a 4 way consumer unit, making it suitable for smaller distribution requirements.
This consumer unit is supplied with a 100 A main switch incomer.
The HSMS4C uses a steel enclosure with a steel flap for robust indoor installation.
It is typically installed in residential, commercial and light industrial environments where compact low-voltage distribution is required.
ABB Housemaster consumer units are trusted by electrical contractors and installers for compact distribution, dependable construction and practical circuit protection in modern low-voltage installations.
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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...