4 Pole Modular Contactors No. 25A to 125A
18th Ed. Compliant
2-Year Warranty
UK Stock
Free Delivery £30+
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The WCED 4 Pole Modular Contactor range provides silent, reliable switching for residential, commercial, and light industrial electrical circuits. Compact and DIN rail mountable, these contactors are built for integration into consumer units and modular enclosures where space, noise, and compliance matter. Available in ratings from 25A up to 125A,...
The WCED 4 Pole Modular Contactor range provides silent, reliable switching for residential, commercial, and light industrial electrical circuits. Compact and DIN rail mountable, these contactors are built for integration into consumer units and modular enclosures where space, noise, and compliance matter.
Available in ratings from 25A up to 125A, they are suited to lighting and outdoor power, HVAC, EV chargers, heat pump boards, solar systems, and automation applications. Each device complies with BS EN 61095 and BS EN 60947-4-1, giving installers confidence on inspection and long-term operation.
Available variants:
- WAC4P25 – 25A, 4 Pole Modular Contactor
- WAC4P32 – 32A, 4 Pole Modular Contactor
- WAC4P40 – 40A, 4 Pole Modular Contactor
- WAC4P63 – 63A, 4 Pole Modular Contactor
- WAC4P100 – 100A, 4 Pole Modular Contactor
- WAC4P125 – 125A, 4 Pole Modular Contactor
Each option delivers silent operation, compact footprint, and long service life — making them a practical choice for both retrofit and new build projects. For related switching and isolation, see our Main Switches & Rotary Isolators.
What are 4 pole modular contactors used for?
They are used to control and switch electrical loads such as lighting banks, heating circuits, HVAC systems, EV chargers, and solar installations in modular distribution systems.
What sizes are available?
This range covers 25A, 32A, 40A, 63A, 100A, and 125A ratings, all in 4 pole configuration. For lower current options, see our 2 Pole Modular Contactors.
Do these contactors make noise during operation?
No, they are designed for silent operation — making them suitable for residential and commercial use where noise could be an issue.
Do they meet UK standards?
Yes. All units are compliant with BS EN 61095 and BS EN 60947-4-1 standards, and suitable for use in circuit protection systems under the 18th Edition Wiring Regulations.
Can these be combined with surge or fault protection?
Yes – they can be used alongside surge protection devices and PME fault detection units for complete compliance in EV and renewable installs.
- Type: Modular Contactor
- Configuration: 4 Pole
- Current Ratings: 25A, 32A, 40A, 63A, 100A, 125A
- Operational Voltage: 230/400V AC, 50Hz
- Protection: IP20 (BS EN 60529)
- Utilisation Categories: AC-7a (resistive loads), AC-1 (slightly inductive loads)
- Ambient Temperature: -25°C to +40°C
- Mounting: 35mm DIN rail
- Recommended Torque: 2.0Nm
- Standards: BS EN 61095, BS EN 60947-4-1
These contactors are designed for quick integration into modular enclosures and consumer units. Always ensure the correct rating is selected for the load type and current demand.
- Mount on 35mm DIN rail within an IP-rated enclosure
- Confirm load rating (25A–125A) before selection
- Noise-free operation makes them suitable for residential settings
- Follow BS 7671 (18th Edition) requirements on installation
