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 External Width
RS-stocknr. 394-9908
FabrikantnummerLADN22
17,20 €
Each
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 €
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 759-055
FabrikantnummerLA1KN22
14,10 €
Each
Aantal stuks
4 2NO/2NC TeSys Clip On 10 A 600 V ac 4P Screw - - -25 → 50 °C - LA1K -
RS-stocknr. 395-0122
FabrikantnummerGVAN11
11,49 €
Each
Aantal stuks
2 1NO/1NC TeSys Side Mount 6 A 240 V dc, 690 V ac DP Screw - - - - GVAN -
RS-stocknr. 395-0144
FabrikantnummerGVAE11
11,24 €
Each
Aantal stuks
2 1NO/1NC TeSys Front Mount 2.5 A 60 V dc, 240 V ac DP Screw - - - - GVAE -
RS-stocknr. 684-3594
Fabrikantnummer0916605
FabrikantPhoenix Contact
16,40 €
Each
Aantal stuks
- - CLIPLINE - - - - Screw - - - - UT 6-TMC M 2A -
RS-stocknr. 791-2824
FabrikantnummerA9A26924
28,93 €
Each
Aantal stuks
1 1CO 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
Fabrikantnummer072894 & NHI21-PKZ0
FabrikantEaton
15,35 €
Each
Aantal stuks
3 2NO/2NC - Side Mount 2 A dc, 3.5 A ac 220 V dc, 500 V ac 3PST Screw - - - - - -
RS-stocknr. 326-734
Fabrikantnummer010288 & 22DILE
FabrikantEaton
13,01 €
Each
Aantal stuks
4 2NO/2NC - Front Mount 2.5 A dc, 4 A ac 220 V dc, 500 V ac 4PST Screw - - - - DILE -
RS-stocknr. 394-9879
FabrikantnummerLADN40
17,20 €
Each
Aantal stuks
4 4NO TeSys Front Mount 10 A - 4P Screw - - - - LADN -
RS-stocknr. 395-0138
FabrikantnummerGVAE20
11,24 €
Each
Aantal stuks
2 2NO - Front Mount - 60 V dc, 240 V ac DP Screw - - - - GVAE -
RS-stocknr. 394-9885
FabrikantnummerLADN31
17,20 €
Each
Aantal stuks
4 3NO/1NC TeSys Front Mount 10 A - 4P Screw -5°C +60°C - - LADN -
RS-stocknr. 392-8967
Fabrikantnummer3RH1921-1CA10
FabrikantSiemens
4,69 €
Each
Aantal stuks
1 1NO Sirius Classic Snap-On - - SP Screw - - - - 3RH1 -
RS-stocknr. 493-0680
Fabrikantnummer276426 & DILA-XHI22
FabrikantEaton
12,90 €
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. 746-0796
Fabrikantnummer3RH2911-1GA22
FabrikantSiemens
14,49 €
Each
Aantal stuks
4 2NO/2NC Sirius Innovation Snap-On 10 A 600 V dc, 690 V ac 4P Screw - - -25 → +60 °C - 3RH2 -
RS-stocknr. 395-0172
FabrikantnummerGVAD0110
16,62 €
Each
Aantal stuks
2 1NO/1NC - Side Mount - 240 V dc, 690 V ac DP Screw - - - - GVAD -
RS-stocknr. 244-0107
Fabrikantnummer082882 & NHI-E-11-PKZ0
FabrikantEaton
10,20 €
Each
Aantal stuks
2 1NO/1NC - Front Mount 1 A ac, 2 A dc 24 V dc, 240 V ac DPST Screw - - - - - -
RS-stocknr. 493-0624
Fabrikantnummer277376 & DILM32-XHI11
FabrikantEaton
7,70 €
Each
Aantal stuks
2 1NO/1NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac DPST Screw -25°C +60°C -25 → +60 °C - DILM -
RS-stocknr. 272-870
FabrikantnummerGVAED011
14,00 €
Each
Aantal stuks
2 1NO/1NC - Front Mount - - DP - - - - - GVAE -
RS-stocknr. 351-5583
Fabrikantnummer140M-C-ASA11
FabrikantAllen Bradley
14,20 €
Each
Aantal stuks
2 1NO/1NC - Side Mount - - DPST Screw - - - - 140 -