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.


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Omschrijving Prijs 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 CAD Drawing Series Number of Timing Ranges
RS-stocknr. 394-9908
FabrikantnummerLADN22
17,75 €
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Aantal stuks
4 2NO/2NC TeSys Front Mount 10 A 600 V ac 4P Screw -5°C +60°C - - LADN -
RS-stocknr. 260-8987
Fabrikantnummer23021608
158,85 €
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- - - - - - - - - - - - - -
RS-stocknr. 759-055
FabrikantnummerLA1KN22
14,55 €
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4 2NO/2NC TeSys Clip On 10 A 600 V ac 4P Screw - - - - LA1K -
RS-stocknr. 395-0122
FabrikantnummerGVAN11
11,85 €
Each
Aantal stuks
2 NO/NC TeSys Side Mount 6 A 240 V dc, 690 V ac DP Screw - - - - GVAN -
RS-stocknr. 395-0144
FabrikantnummerGVAE11
11,60 €
Each
Aantal stuks
2 NO/NC TeSys Front Mount 2.5 A 60 V dc, 240 V ac DP Screw - - - - GVAE -
RS-stocknr. 791-2824
FabrikantnummerA9A26924
29,85 €
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Aantal stuks
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-stocknr. 818-283
FabrikantnummerNHI21-PKZ0
FabrikantEaton
18,15 €
Each
Aantal stuks
3 2NO/NC - Side Mount 2 A dc, 3.5 A ac 220 V dc, 500 V ac 3PST Screw - - - - - -
RS-stocknr. 326-734
Fabrikantnummer22DILE
FabrikantEaton
14,85 €
Each
Aantal stuks
4 2NO/2NC - Front Mount 2.5 A dc, 4 A ac 220 V dc, 500 V ac 4PST Screw - - - - - -
RS-stocknr. 394-9885
FabrikantnummerLADN31
17,75 €
Each
Aantal stuks
4 3NO/NC TeSys Front Mount 10 A - 4P Screw -5°C +60°C - - LADN -
RS-stocknr. 246-5061
Fabrikantnummer3RV1901-1A
FabrikantSiemens
9,92 €
Each
Aantal stuks
2 NO/NC Sirius Classic Side Mount 2 A 24 V ac DP Screw - +60°C Maximum of +60 °C - 3RV1 -
RS-stocknr. 394-9879
FabrikantnummerLADN40
17,75 €
Each
Aantal stuks
4 4NO TeSys Front Mount 10 A - 4P Screw - - - - LADN -
RS-stocknr. 395-0138
FabrikantnummerGVAE20
11,60 €
Each
Aantal stuks
2 2NO - Front Mount - 60 V dc, 240 V ac DP Screw - - - - GVAE -
RS-stocknr. 244-0107
FabrikantnummerNHI-E-11-PKZ0
FabrikantEaton
11,11 €
Each
Aantal stuks
2 NO/NC - Front Mount 1 A ac, 2 A dc 24 V dc, 240 V ac DPST Screw - - - - - -
RS-stocknr. 395-0172
FabrikantnummerGVAD0110
17,15 €
Each
Aantal stuks
2 NO/NC - Side Mount - 240 V dc, 690 V ac DP Screw - - - - GVAD -
RS-stocknr. 392-8967
Fabrikantnummer3RH1921-1CA10
FabrikantSiemens
5,06 €
Each
Aantal stuks
1 NO Sirius Classic Snap-On - - SP Screw - - - - 3RH1 -
RS-stocknr. 746-0796
Fabrikantnummer3RH2911-1GA22
FabrikantSiemens
15,60 €
Each
Aantal stuks
4 2NO/2NC Sirius Innovation Snap Front 10 A 600 V dc, 690 V ac 4P Screw - - -25 → +60 °C - 3RH2 -
RS-stocknr. 493-0680
FabrikantnummerDILA-XHI22
FabrikantEaton
13,76 €
Each
Aantal stuks
4 2NO/2NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac 4PST Screw - - - - DILA -
RS-stocknr. 735-2715
Fabrikantnummer3SB1400-0A
FabrikantSiemens
9,28 €
Each
Aantal stuks
2 NO/NC - Front Mount 10 A 220 V dc, 400 V ac DPST Screw -25°C +70°C -25 → +70 °C - - -
RS-stocknr. 488-6448
FabrikantnummerS2C-S/H6R
FabrikantABB
21,40 €
Each
Aantal stuks
2 NO/NC - Side Mount 1.5 A dc, 6 A ac 110 V dc, 240 V ac DP Screw - - - - S2C -
RS-stocknr. 818-277
FabrikantnummerNHI11-PKZ0
FabrikantEaton
11,22 €
Each
Aantal stuks
2 NO/NC - Side Mount 2 A dc, 3.5 A ac 220 V dc, 500 V ac DPST Screw - - - - - -
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