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 Dimensions
RS-stocknr. 488-6448
FabrikantnummerS2C-S/H6R
FabrikantABB
22,70 €
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. 711-6379
FabrikantnummerCA4-22U
FabrikantABB
16,80 €
Each
Aantal stuks
4 2NO/2NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw - - - - CA4 -
RS-stocknr. 488-7384
Fabrikantnummer2CDS200912R0001
FabrikantABB
15,80 €
Each
Aantal stuks
2 NO/NC - Side Mount - - DP Screw - - - - - -
RS-stocknr. 445-0421
Fabrikantnummer1SAM201902R1001
FabrikantABB
10,80 €
Each
Aantal stuks
2 NO/NC - Side Mount 2 A dc, 6 A ac 220 V dc, 400 V ac DP - - - - - HK1 -
RS-stocknr. 482-4434
Fabrikantnummer1SCA022353R4970
FabrikantABB
8,20 €
Each
Aantal stuks
1 NO - - - - - - - - - - - -
RS-stocknr. 435-421
Fabrikantnummer2CCS800900R0021
FabrikantABB
59,00 €
Each
Aantal stuks
2 2NO/2NC - DIN Rail Mount 4 A dc, 6 A ac 250 V dc, 400 V ac DPDT Screw -25°C +60°C -25 → +60 °C - S800 -
RS-stocknr. 711-6329
Fabrikantnummer1SBN010110R1001
FabrikantABB
4,35 €
Each
Aantal stuks
1 NC - Front Mount 6 A 600 V dc, 690 V ac SP Screw - - - - CA4 -
RS-stocknr. 445-8273
FabrikantnummerCAF6-20M
FabrikantABB
8,00 €
Each
Aantal stuks
2 2NO - Front Mount - 240 V dc, 500 V ac DP Screw - - - - CAF6 -
Nieuw
RS-stocknr. 192-0811
Fabrikantnummer66422
FabrikantABB
30,21 €
Each
Aantal stuks
1 CO - DIN Rail Mount - 250 V ac/dc SPDT - - - - - - -
RS-stocknr. 445-0415
Fabrikantnummer1SAM201901R1001
FabrikantABB
10,10 €
Each
Aantal stuks
2 NO/NC - Front Mount 1 A dc, 3 A ac 220 V dc, 230 V ac DP - - - - - HK1 -
RS-stocknr. 445-8043
Fabrikantnummer1SBN010040R1122 - CA5-22M
FabrikantABB
20,50 €
Each
Aantal stuks
4 2NO/2NC - Front Mount 6 A 24 V dc, 230 V ac 4P Screw - - - - CA5 -
RS-stocknr. 512-9493
FabrikantnummerOA4B10
FabrikantABB
27,50 €
Each
Aantal stuks
1 NO - Snap-On - - SP - - - - - - -
RS-stocknr. 460-1499
FabrikantnummerGHS2701916R0002 - S2-H20
FabrikantABB
19,60 €
Each
Aantal stuks
2 2NO - Side Mount 4 A dc, 6 A ac 24 V dc, 230 V ac DP - - - - - HSMS -
RS-stocknr. 727-1549
Fabrikantnummer1SCA022353R4890
FabrikantABB
8,20 €
Each
Aantal stuks
1 NC - Snap-On 6 A ac, 10 A dc 400 V dc, 690 V ac SP Screw - - - - OA1G -
RS-stocknr. 711-6376
FabrikantnummerCA4-04M
FabrikantABB
16,80 €
Each
Aantal stuks
4 4NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw - - - - CA4 -
RS-stocknr. 512-9500
FabrikantnummerOA4B01
FabrikantABB
23,10 €
Each
Aantal stuks
1 NC - Snap-On - - SP - - - - - - -
Nieuw
RS-stocknr. 192-0814
Fabrikantnummer66427
FabrikantABB
120,71 €
Each
Aantal stuks
3 CO - DIN Rail Mount - 250 V ac/dc SPDT - - - - - - -
RS-stocknr. 711-6326
Fabrikantnummer1SBN010110T1010
FabrikantABB
3,61 €
Each
Aantal stuks
- 1NO AF Range - 6 A 600 V dc, 690 V ac - Screw - - - - CA4 -
RS-stocknr. 711-6335
FabrikantnummerCC4-01
FabrikantABB
11,90 €
Each
Aantal stuks
1 NC - Front Mount 6 A 600 V dc, 690 V ac SP Screw -40°C +70°C -40 → +70 °C - CC4 -
RS-stocknr. 711-6341
FabrikantnummerCAT4-11U
FabrikantABB
10,80 €
Each
Aantal stuks
2 NO/NC - Front Mount 6 A 600 V dc, 690 V ac DP Screw - - - - CAT4 -