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Modular Contactors – DIN Rail Mount

Modular DIN rail contactors for remote switching of lighting, heating, EV chargers, and load circuits. Compact, low-noise, and available in multiple current ratings for residential, commercial, and light industrial installs – all UK stocked with next-day delivery.

Designed to mount easily on a DIN rail, these modular contactors integrate seamlessly into consumer unit enclosures and three-phase boards. They provide reliable switching without overheating, making them ideal for time-clocked loads, heating systems, or automation projects. All units are BS EN compliant, 18th Edition ready, and shipped direct from our UK warehouse.

  • DIN rail compatible – easy integration into boards
  • Low-noise operation – suitable for domestic and commercial installs
  • Multiple current ratings – from lighting to heavy-load circuits
  • Compact design – saves space in consumer units

Need upstream switching or isolation? See our Main Switches & Isolators. For returns, check our returns policy.

Showing 1 to 12 of 14 items
✓ In stock SKU: WAC2P20

2 Pole Modular Contactor – 20 A

£9.05 ex VAT £10.86 inc VAT

The WAC2P20 is a compact 2 Pole 20 A modular contactor built for reliable, silent switching in residential, commercial, and light-industrial circuits. Designed for...

✓ In stock SKU: WAC4P20

4 Pole Modular Contactor – 20 A

£14.90 ex VAT £17.88 inc VAT

The WAC4P20 is a compact 4 Pole 20 A modular contactor offering silent, reliable switching for lighting, HVAC, EV and automation applications. It’s DIN-rail...

✓ In stock SKU: WAC4P40

4 Pole Modular Contactor – 40 A

£20.60 ex VAT £24.72 inc VAT

The WAC4P40 is a high-quality 4 Pole 40 A modular contactor designed for dependable, silent switching across lighting systems, HVAC controls, EV chargers and...

✓ In stock SKU: WAC4P125

4 Pole Modular Contactor – 125 A

£70.95 ex VAT £85.14 inc VAT

The WAC4P125 is the most powerful model in our modular contactor range — a 4 Pole 125 A contactor built for reliable, noise-free switching...

✓ In stock SKU: WAC4P100

4 Pole Modular Contactor – 100 A

£47.85 ex VAT £57.42 inc VAT

The WAC4P100 is a robust 4 Pole 100 A modular contactor designed for EV charging hubs, solar systems, HVAC plant and heavy-duty automation circuits....

✓ In stock SKU: WAC4P63

4 Pole Modular Contactor – 63 A

£20.60 ex VAT £24.72 inc VAT

The WAC4P63 is a heavy-duty 4 Pole 63 A modular contactor designed for high-load control in EV chargers, HVAC systems, industrial lighting banks and...

✓ In stock SKU: WAC4P32

4 Pole Modular Contactor – 32 A

£20.60 ex VAT £24.72 inc VAT

The WAC4P32 is a versatile 4 Pole 32 A modular contactor providing silent, dependable switching for lighting banks, HVAC systems, EV chargers and building...

✓ In stock SKU: WAC2P25

2 Pole Modular Contactor – 25 A

£9.05 ex VAT £10.86 inc VAT

The WAC2P25 is a high-quality 2 Pole 25 A modular contactor offering silent, dependable operation for lighting, HVAC, EV charging and automation systems. Compact...

✓ In stock SKU: WAC4P25

4 Pole Modular Contactor – 25 A

£15.90 ex VAT £19.08 inc VAT

The WAC4P25 is a reliable 4 Pole 25 A modular contactor designed for quiet, dependable switching across multi-circuit lighting, HVAC, EV and automation systems....

✓ In stock SKU: WAC2P125

2 Pole Modular Contactor – 125 A

£46.75 ex VAT £56.10 inc VAT

The WAC2P125 is the most powerful model in our 2-pole modular contactor range - rated at 125 A for high-demand single-phase loads. It delivers...

✓ In stock SKU: WAC2P100

2 Pole Modular Contactor – 100 A

£25.90 ex VAT £31.08 inc VAT

The WAC2P100 is a high-capacity 2 Pole 100 A modular contactor designed for heavy-load single-phase switching and isolation. Built for reliability and silent operation,...

✓ In stock SKU: WAC2P63

2 Pole Modular Contactor – 63 A

£15.90 ex VAT £19.08 inc VAT

The WAC2P63 is a robust 2 Pole 63 A modular contactor engineered for high-load single-phase applications such as EV chargers, heat pump systems, HVAC...

Choosing a Modular Contactor

A modular contactor allows a control signal to switch a separate load circuit. Choose it from the load type, utilisation duty, pole count, current rating and coil/control voltage—not from the headline amp rating alone.

2-Pole Contactors

Useful for switching suitable single-phase loads where the circuit design requires two switched conductors. Check the contact configuration and control circuit.

Browse 2-Pole Contactors →

4-Pole Contactors

Provide additional switched poles for suitable multi-pole or three-phase applications. Confirm whether the neutral is switched and how the load is distributed.

Browse 4-Pole Contactors →

Control & Isolation

A contactor performs electrically controlled switching; it does not automatically replace the correctly rated protective device or local isolator.

View Main Switches & Isolators →

Specification Checklist

  • Load type: identify resistive, inductive, motor, lighting or other duty
  • Current rating: use the appropriate utilisation category and manufacturer data
  • Pole configuration: confirm the number of conductors that must be switched
  • Coil voltage: match the control supply and switching equipment
  • Enclosure space: allow for DIN width, terminals, heat dissipation and wiring access

Related Categories

Main Switches & IsolatorsThree PhaseElectrical EnclosuresTerminal BlocksMCBs

Trade support: UK-stocked products, manufacturer-backed specifications and fast dispatch. Check each product page for ratings, standards, stock status and delivery details before ordering.