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Modular Contactors

Contactors, including modular contactors, play a crucial role in electrical systems by providing reliable and efficient circuit control. This category offers a wide range of contactors, such as 2-pole, 4-pole, NO (Normally Open), NC (Normally Closed), NO/NC Combined, and 24V voltage options. With trusted brands like Hager, Live Electrical, FuseBox, and WCED, these products ensure quality and reliability for all applications.

230V AC Coil (78)

24V AC Coil (12)

24V DC Coil (11)

12V DC Coil (3)

Live Electrical MAC2P32 Live Electrical MAC2P32 32A Modular AC Contactor 2 Pole NO 1

Live Electrical MAC2P32 Live Electrical MAC2P32 32A Modular AC Contactor 2 Pole NO 2

Live Electrical MAC2P32 – 2 Pole 32A 2NO 230V AC Modular Contactor

7 In Stock

SKU: MAC2P32

£9.79

WCED WAC2P20/24 2 Pole 20A 24V Normally Open AC Contactor

WCED WAC2P20/24 – 2 Pole 20A 2NO 24V AC Modular Contactor

5 In Stock

SKU: WAC2P20/24

Quantity Discount

Quantity	Price
1 - 2	£15.86 £19.03
3+	£15.46 £18.55
5+	£15.07 £18.08
10+	£14.67 £17.60
20+	£14.27 £17.12

£15.86

Live Electrical MAC2P25 Live Electrical MAC2P25 25A Modular AC Contactor 2 Pole NO 1

Live Electrical MAC2P25 Live Electrical MAC2P25 25A Modular AC Contactor 2 Pole NO 2

Live Electrical MAC2P25 – 2 Pole 25A 2NO 230V AC Modular Contactor

2 In Stock

SKU: MAC2P25

£6.24

WCED WAC2P32/1M 2 Pole 32A NO Normally Open AC Modular Contactor - 1 Module

WCED WAC2P32/1M – 2 Pole 32A 2NO 230V AC 1-Module Modular Contactor

5 In Stock

SKU: WAC2P32/1M

Quantity Discount

Quantity	Price
1 - 2	£12.26 £14.71
3+	£11.95 £14.34
5+	£11.65 £13.98
10+	£11.34 £13.61
20+	£11.03 £13.24

£12.26

WCED 2 Pole 20A 24V NC Normally Closed AC Modular Contactor

WCED WAC2P20NC/24 – 2 Pole 20A 2NC 24V AC Modular Contactor

5 In Stock

SKU: WAC2P20NC/24

Quantity Discount

Quantity	Price
1 - 2	£15.86 £19.03
3+	£15.46 £18.55
5+	£15.07 £18.08
10+	£14.67 £17.60
20+	£14.27 £17.12

£15.86

Live Electrical MAC2P20 Live Electrical MAC2P20 20A Modular AC Contactor 2 Pole NO 1

Live Electrical MAC2P20 – 2 Pole 20A 2NO 230V AC Modular Contactor

1 In Stock

SKU: MAC2P20

£6.24

FuseBox INC202 20A 230V 2 Pole NO Normally Open AC Modular Contactor

FuseBox INC202 – 2 Pole 20A 2NO 230V AC Modular Contactor

SKU: INC202

£6.50

WCED WAC4P100 WCED 4 Pole 100A 4NO AC Contactor 1

WCED WAC4P100 – 4 Pole 100A 4NO 230V AC Modular Contactor

SKU: WAC4P100

Quantity Discount

Quantity	Price
1 - 2	£36.87 £44.24
3+	£35.95 £43.14
5+	£35.03 £42.04
10+	£34.10 £40.92
20+	£33.18 £39.82

£36.87

WCED WAC2P20CO WCED WAC2P20CO 2 Pole 20A Normally Open and Closed AC Modular Contactor

WCED WAC2P20CO – 2 Pole 20A 1NO 1NC 230V AC Modular Contactor

SKU: WAC2P20CO

Quantity Discount

Quantity	Price
1 - 2	£12.26 £14.71
3+	£11.95 £14.34
5+	£11.65 £13.98
10+	£11.34 £13.61
20+	£11.03 £13.24

£12.26

WCED WAC4P40NC WCED WAC4P40NC 4 Pole 40A Normally Closed AC Contactor 1

WCED WAC4P40NC – 4 Pole 40A 4NC 230V AC Modular Contactor

SKU: WAC4P40NC

Quantity Discount

Quantity	Price
1 - 2	£15.86 £19.03
3+	£15.46 £18.55
5+	£15.07 £18.08
10+	£14.67 £17.60
20+	£14.27 £17.12

£15.86

WCED 4 Pole 230/400V 40A NO Normally Open AC Modular Contactor

WCED WAC4P40 – 4 Pole 40A 4NO 230V AC Modular Contactor

SKU: WAC4P40

Quantity Discount

Quantity	Price
1 - 2	£15.86 £19.03
3+	£15.46 £18.55
5+	£15.07 £18.08
10+	£14.67 £17.60
20+	£14.27 £17.12

£15.86

WCED 2 Pole 230V 25A NO Normally Open AC Modular Contactor

WCED WAC2P25 – 2 Pole 25A 2NO 230V AC Modular Contactor

3 In Stock

SKU: WAC2P25

Quantity Discount

Quantity	Price
1 - 2	£6.97 £8.36
3+	£6.80 £8.16
5+	£6.62 £7.94
10+	£6.45 £7.74
20+	£6.27 £7.52

£6.97

WCED WAC4P32NC 4 Pole 32A Normally Closed AC Modular Contactor

WCED WAC4P32NC 4 Pole 32A Normally Closed AC Modular Contactor

3 In Stock

SKU: WAC4P32NC

Quantity Discount

Quantity	Price
1 - 2	£15.86 £19.03
3+	£15.46 £18.55
5+	£15.07 £18.08
10+	£14.67 £17.60
20+	£14.27 £17.12

£15.86

WCED WAC2P63 WCED 2 Pole 63A 2NO AC Contactor

WCED WAC2P63 – 2 Pole 63A 2NO 230V AC Modular Contactor

4 In Stock

SKU: WAC2P63

Quantity Discount

Quantity	Price
1 - 2	£12.26 £14.71
3+	£11.95 £14.34
5+	£11.65 £13.98
10+	£11.34 £13.61
20+	£11.03 £13.24

£12.26

WCED 4 Pole 125A 230V/400V NO Normally Open AC Modular Contactor

WCED WAC4P125 – 4 Pole 125A 4NO 230V AC Modular Contactor

SKU: WAC4P125

Quantity Discount

Quantity	Price
1 - 2	£54.67 £65.60
3+	£53.30 £63.96
5+	£51.94 £62.33
10+	£50.57 £60.68
20+	£49.20 £59.04

£54.67

WCED WAC2P125 WCED 2 Pole 125A 2NO AC Contactor

WCED WAC2P125 – 2 Pole 125A 2NO 230V AC Modular Contactor

3 In Stock

SKU: WAC2P125

Quantity Discount

Quantity	Price
1 - 2	£38.56 £46.27
3+	£37.60 £45.12
5+	£36.63 £43.96
10+	£35.67 £42.80
20+	£34.70 £41.64

£38.56

Live Electrical MAC4P63 Live Electrical MAC4P63 63A Modular AC Contactor 4 Pole NO 1

Live Electrical MAC4P63 – 4 Pole 63A 4NO 230V AC Modular Contactor

SKU: MAC4P63

£18.99

Live Electrical MAC2P63 Live Electrical MAC2P63 63A Modular AC Contractor 2 Pole NO 1

Live Electrical MAC2P63 – 2 Pole 63A 2NO 230V AC Modular Contactor

5 In Stock

SKU: MAC2P63

£9.79

WCED 2 Pole 230V 20A NO Normally Open AC Modular Contactor

WCED WAC2P20 – 2 Pole 20A 2NO 230V AC Modular Contactor

2 In Stock

SKU: WAC2P20

Quantity Discount

Quantity	Price
1 - 2	£6.97 £8.36
3+	£6.80 £8.16
5+	£6.62 £7.94
10+	£6.45 £7.74
20+	£6.27 £7.52

£6.97

WCED WAC2P32 WCED 2 Pole 32A 2NO AC Contactor

WCED WAC2P32 – 2 Pole 32A 2NO 230V AC Modular Contactor

3 In Stock

SKU: WAC2P32

Quantity Discount

Quantity	Price
1 - 2	£6.97 £8.36
3+	£6.80 £8.16
5+	£6.62 £7.94
10+	£6.45 £7.74
20+	£6.27 £7.52

£6.97

Showing 1–20 of 96 results

How Contactors Work – Technical Overview

Contactors operate through electromagnetic principles, enabling precise control of electrical power. Here’s how they function:

Electromagnetic Coil Activation:
When a control circuit energizes the coil, it creates a magnetic field. As a result, this field pulls the armature (a moving component) toward the coil.
Contact Operation:
The armature’s movement closes the main contacts (for NO configurations) or opens them (for NC configurations). This process allows the power circuit to switch on or off effectively.
Load Switching:
The contacts, made from durable materials like silver alloys, handle high electrical loads without excessive wear. To prevent damage, many contactors include arc suppression systems, which protect the contacts and improve durability.
Spring Mechanism Reset:
Once the coil is de-energised, a spring pushes the armature back into its default position. This action ensures that the contacts return to their original state.
Auxiliary Contacts:
Auxiliary contacts provide additional functionality, such as signaling or feedback to control systems. These features allow seamless integration with automation setups.

Advanced Features of Contactors

High Switching Capacity: They can handle both resistive and inductive loads effectively.
Modular Design: Their compact structure allows easy installation on DIN rails.
Silent Operation: Low-noise options make them suitable for residential and office use.
Thermal Protection: They are often paired with overload relays to safeguard circuits from overheating.
Long-Lasting Performance: Built to perform millions of operations under rated conditions.

Usage in Electrical Installations

Contactors are essential for controlling:

Lighting Systems: Manage high-wattage lights in commercial and residential setups.
Heating and Ventilation: Optimise the operation of heating elements and fans.
Motors and Pumps: Enable efficient control of motors and reverse operations.
Automation Systems: Work seamlessly with sensors and building management systems.
Energy Management: Support smart load-shedding and efficient energy distribution.

Compliance with Standards

All contactors in this category comply with BS 7671: Requirements for Electrical Installations (IET Wiring Regulations). These products also adhere to IEC and EN standards, ensuring safety and reliability across various environments. Moreover, these contactors meet stringent British standards for thermal performance, overcurrent protection, and system integration.

Key Features:

Wide Range: Includes 2-pole, 4-pole, NO, NC, NO/NC combined, and 24V variants.
Durable Design: Built to withstand heavy loads and frequent switching.
Compact and Modular: Space-saving form factor for effortless panel integration.
Trusted Brands: Hager, Live Electrical, FuseBox, and WCED.
Standards Compliance: Fully certified to meet BS 7671 and international regulations.

Applications

Residential:
Control lighting, heating, and small pumps with precision.
Commercial:
Automate HVAC systems, lighting setups, and ventilation systems.
Industrial:
Manage motors, conveyors, and large machinery in production environments.

Why Choose Contactors from This Range?

These contactors provide reliable solutions for demanding electrical installations. With superior switching technology, modular construction, and compliance with British standards, they ensure efficiency and safety. Explore our collection to find the perfect fit for your project.

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