Auxiliary Contacts

Contacts are the conductive pieces of material that form part of an electrically controlled switch. Auxiliary contacts form part of a contactor, which is a type of switch that can be controlled remotely.

Contactors are often used in very high-power circuits, and auxiliary contacts are the last phase of contact, used to reduce the power of the current. They have a lower current rating than regular power contacts, and can be used to de-energise the contactor.

How do auxiliary contacts work?

Auxiliary contacts are affixed to the main contacts and change state when the main contacts do. They pass the data from the circuit to a logic controller, which in turn gives instructions to the linked devices about whether to turn on or off.

Alternatively, they can be used as a standalone hardware control unit.

What are auxiliary contacts used for?

One common usage of auxiliary contacts is in push button controllers, where they can be built in to the start button.


...
Read more Read less

Filters

Viewing 1 - 20 of 432 products
Results per page
Description Price Number of Contacts Normal State Configuration Range Mounting Style Contact Current Rating Contact Voltage Rating Pole and Throw Configuration Terminal Type Minimum Operating Temperature Maximum Operating Temperature Operating Temperature Range Series External Dimensions External Length
RS Stock No. 121-6868
BrandRS PRO
SGD7.87
Each
units
1 NC - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C HRS - -
RS Stock No. 121-6871
BrandRS PRO
SGD18.74
Each
units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C AR - -
RS Stock No. 331-3696
BrandRS PRO
SGD10.11
Each
units
2 NO/NC - DIN Rail Mount - 240 V ac DP - - - - - - -
RS Stock No. 466-295
BrandRS PRO
SGD6.67
Each
units
1 NO/NC - Panel Mount 63 A - SPDT - - - - - - -
RS Stock No. 121-6865
BrandRS PRO
SGD6.81
Each
units
1 NO - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C HSV - -
RS Stock No. 121-6874
BrandRS PRO
SGD4.62
Each
units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C MSK - -
RS Stock No. 121-6872
BrandRS PRO
SGD24.48
Each
units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 → +60 °C AR - -
RS Stock No. 121-6873
BrandRS PRO
SGD4.26
Each
units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C MSK - -
RS Stock No. 121-6870
BrandRS PRO
SGD18.94
Each
units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C UR - -
RS Stock No. 121-6875
BrandRS PRO
SGD5.28
Each
units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C MSK - -
RS Stock No. 121-6869
BrandRS PRO
SGD18.74
Each
units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C UR - -
RS Stock No. 121-6867
BrandRS PRO
SGD7.87
Each
units
1 NO - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C HRS - -
RS Stock No. 121-6866
BrandRS PRO
SGD6.87
Each
units
1 NC - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C HSV - -
RS Stock No. 791-2824
Mfr. Part No.A9A26924
SGD60.90
Each
units
1 NO/NC Acti 9 DIN Rail Mount 2 A dc, 6 A ac 24 130 V dc, 240 415 V ac SPCO Screw -35°C +70°C -35 +70 °C iOF - -
RS Stock No. 394-9908
Mfr. Part No.LADN22
SGD25.64
Each
units
4 2NO/2NC TeSys Front Mount 10 A 600 V ac 4P Screw -5°C +60°C - LADN - -
RS Stock No. 395-0144
Mfr. Part No.GVAE11
SGD12.60
Each
units
2 NO/NC TeSys Front Mount 2.5 A 60 V dc, 240 V ac DP Screw - - - GVAE - -
RS Stock No. 791-2837
Mfr. Part No.A9A26927
SGD62.04
Each
units
2 NO/NC Acti 9 DIN Rail Mount 2 A dc, 6 A ac 24 → 130 V dc, 240 → 415 V ac DP Screw -35°C +70°C -35 → +70 °C iSD - -
RS Stock No. 394-9936
Mfr. Part No.LADN11
SGD16.37
Each
units
2 NO/NC TeSys Front Mount 10 A - DP Screw - - - LADN - -
RS Stock No. 395-0122
Mfr. Part No.GVAN11
SGD53.78
Each
units
2 NO/NC TeSys Side Mount 6 A 240 V dc, 690 V ac DP Screw - - - GVAN - -
RS Stock No. 395-0352
Mfr. Part No.GV2AF3
SGD8.72
Each
units
- - - - - - - - - - - GV2A - -
Related Products
All have a nominal voltage of 690V. The ...
Description:
All have a nominal voltage of 690V. The stated motor rating utilisation category AC23A/AC3 is for 3 phase 380/440V supply. 80A, 100A and 125A switches have a terminal cover includedHigh visibility handle padlockable (x4) in "OFF" positionInterlocked in "ON" position ...
Siemens range of auxiliary contact bloacks to suit ...
Description:
Siemens range of auxiliary contact bloacks to suit the 3RH contactors. Front mounting positionCurrent rating; 6AAccepts cables up to 2 x 2.5mm21 x block per contactor, 1 x block per relay.
Are you looking to provide an additional auxiliary ...
Description:
Are you looking to provide an additional auxiliary contact to your control circuit, to provide further safety? Schneider Electric offers the latest in Auxiliary Contact components and technology.Specifically, the LA1K series of Auxiliary Contactor brings reliability to your circuit by ...
Are you looking to add an additional auxiliary ...
Description:
Are you looking to add an additional auxiliary contact to your control circuit, to provide further safety? Schneider Electric offers the latest in Auxiliary Contact components and technology.Specifically, the LADN TeSys series of Auxiliary Contactor brings reliability to your circuit ...