Contactors

A contactor is a relay designed to switch a large amount of electrical power through its contacts and is commonly used in the control of electric motors and lighting systems. A contactor can function on its own as a power control device, or as part of a starter. At RS Components, we have a wide range of 4 Pole electrical contactors with products from leading brands within the industry, such as Aleen Bradley, Eaton, Lovato, Schneider Electric, WEG and many more.

What are electric contactors?

Designed to be connected to high-current load devices, contactors incorporate spring loaded contacts that make or break power supply lines to a load. These contacts are designed to open and close very rapidly to assist with arc suppression, ensuring the contactors ability to interrupt heavy motor currents with minimal damage over a longer life cycle.In any device that is frequently turned off and on, a contactor is often employed, and different contactor configurations are designed for different current requirements. From uses in basic light switches to complex applications such as controlling electromagnets, contactors are highly versatile.

The RS Range of contactors are available in a variety of pole and throw combinations, to suit your application. A range of contactor accessories can be used to enhance the function of the contactor.

How contactors do work?

Contactors, unlike relays, are specifically designed to connect to high current load devices. Used in larger-scale applications, a contactor is a switch that can be controlled remotely, specifically designed to switch a large amount of electrical power through its contacts. If a device has the ability to switch more than 15 amperes, it is called a contactor. These devices also feature high coil voltages which is rare within relays.


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Description Price Coil Voltage Contact Current Rating Number of Poles Power Rating Series Pole and Throw Configuration Range Normal State Configuration Function Number Of Auxiliary Contacts Auxiliary Contact Configuration Contact Voltage Rating Mounting Style Length
RS Stock No. 685-1542
Mfr. Part No.BF0910A400
BrandLovato
SGD42.67
Each
units
400 V ac 9 A 3 4 kW BF - Orange 3NO - 1 - 440 V ac - 81mm
RS Stock No. 122-0171
Mfr. Part No.CN2011220
BrandLovato
SGD51.70
Each
units
230 V ac 9 A 2 4 kW CN - Modulo 1NO/1NC - - - 400 V ac - 17.5mm
RS Stock No. 890-4234
Mfr. Part No.11BG0910A230
BrandLovato
SGD41.92
Each
units
230 V ac 9 A 3 4 kW BG - Orange 3NO/1NO - 1 - 600 V ac - 44mm
RS Stock No. 685-1380
Mfr. Part No.BF1210A230
BrandLovato
SGD52.45
Each
units
230 V ac 12 A 3 5.5 kW BF - Orange 3NO - 1 - 440 V ac - 81mm
RS Stock No. 685-1457
Mfr. Part No.BF3800A400
BrandLovato
SGD134.38
Each
units
400 V ac 38 A 3 18.5 kW BF - Orange 3NO - - - 440 V ac - 90mm
RS Stock No. 685-1384
Mfr. Part No.BF1810A230
BrandLovato
SGD68.97
Each
units
230 V ac 18 A 3 7.5 kW BF - Orange 3NO - 1 - 440 V ac - 81mm
RS Stock No. 890-4247
Mfr. Part No.11BG0910D024
BrandLovato
SGD66.12
Each
units
24 V dc 9 A 3 4 kW BG - Orange 3NO/1NO - 1 - 600 V ac - 44mm
RS Stock No. 685-1435
Mfr. Part No.BF2510A400
BrandLovato
SGD91.71
Each
units
400 V ac 25 A 3 11 kW BF - Orange 3NO - 1 - 440 V ac - 81mm
RS Stock No. 122-0174
Mfr. Part No.CN6310220
BrandLovato
SGD179.53
Each
units
230 V ac 30 A 4 - CN - Modulo 4NO - 1 - 4 kV - 53.5mm
RS Stock No. 890-4256
Mfr. Part No.11BG1210A400
BrandLovato
SGD54.35
Each
units
400 V ac 12 A 3 5.5 kW BG - Orange 3NO/1NO - 1 - 600 V ac - 44mm
RS Stock No. 890-4244
Mfr. Part No.11BG1210A110
BrandLovato
SGD54.35
Each
units
110 V ac 12 A 3 5.5 kW BG - Orange 3NO/1NO - 1 - 600 V ac - 44mm
RS Stock No. 122-0172
Mfr. Part No.CN2510220
BrandLovato
SGD65.69
Each
units
230 V ac 25 A 4 - CN - Modulo 4NO - 1 - 4 kV - 35mm
RS Stock No. 685-1362
Mfr. Part No.BF1810D024
BrandLovato
SGD116.48
Each
units
24 V dc 18 A 3 7.5 kW BF - Orange 3NO - 1 - 440 V ac - 81mm
RS Stock No. 122-0173
Mfr. Part No.CN4010220
BrandLovato
SGD121.44
Each
units
230 V ac 22 A 4 - CN - Modulo 4NO - 1 - 4 kV - 53.5mm
RS Stock No. 890-4231
Mfr. Part No.11BG0910A110
BrandLovato
SGD46.58
Each
units
110 V ac 9 A 3 4 kW BG - Orange 3NO/1NO - 1 - 600 V ac - 44mm
RS Stock No. 146-9043
Mfr. Part No.BF6500E024
BrandLovato
SGD494.85
Each
units
24 V ac 65 A 3 30 kW BF - Orange 3NO - - - 440 V ac - 55mm
RS Stock No. 188-1597
Mfr. Part No.CN2510024
BrandLovato
SGD65.69
Each
units
24 V ac/dc 25 A 4 - - - - 4NO - - - 110 V - 35mm
RS Stock No. 890-4253
Mfr. Part No.11BG1210A230
BrandLovato
SGD54.35
Each
units
230 V ac 12 A 3 5.5 kW BG - Orange 3NO/1NO - 1 - 600 V ac - 44mm
RS Stock No. 188-1577
Mfr. Part No.11G361
BrandLovato
SGD16.96
Each
units
- - - - - - - - - - - - - 31.9mm
RS Stock No. 685-1365
Mfr. Part No.BF1210D024
BrandLovato
SGD84.94
Each
units
24 V dc 12 A 3 5.5 kW BF - Orange 3NO - 1 - 440 V ac - 81mm