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. 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. 711-6379
FabrikantnummerCA4-22U
FabrikantABB
13,55 €
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
14,33 €
Each
Aantal stuks
2 NO/NC - Side Mount - - DP Screw - - - - - -
RS-stocknr. 711-6329
Fabrikantnummer1SBN010110R1001
FabrikantABB
4,10 €
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
7,76 €
Each
Aantal stuks
2 2NO - Front Mount - 240 V dc, 500 V ac DP Screw - - - - CAF6 -
RS-stocknr. 482-4434
Fabrikantnummer1SCA022353R4970
FabrikantABB
7,02 €
Each
Aantal stuks
1 NO - - - - - - - - - - - -
RS-stocknr. 435-421
Fabrikantnummer2CCS800900R0021
FabrikantABB
52,22 €
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. 445-0421
Fabrikantnummer1SAM201902R1001
FabrikantABB
10,10 €
Each
Aantal stuks
2 NO/NC - Side Mount 2 A dc, 6 A ac 220 V dc, 400 V ac DP - - - - - HK1 -
RS-stocknr. 445-7983
FabrikantnummerGHE3401321R0002
FabrikantABB
21,80 €
Each
Aantal stuks
2 NO/NC - DIN Rail Mount - 220 V dc, 400 V ac DP Screw -25°C +55°C -25 → +55 °C - ESB -
RS-stocknr. 832-9157
FabrikantnummerOA4B1C
FabrikantABB
23,13 €
Each
Aantal stuks
2 CO - Panel Mount - - SPDT Screw - - - - - -
RS-stocknr. 445-8021
Fabrikantnummer1SBN010010R1001
FabrikantABB
2,45 €
Each
Aantal stuks
1 NC - Front Mount - - SP Screw - - - - CA5 -
RS-stocknr. 711-6354
FabrikantnummerCA4-22E
FabrikantABB
13,66 €
Each
Aantal stuks
4 2NO/2NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw - - - - CA4 -
RS-stocknr. 711-6357
FabrikantnummerCA4-31E
FabrikantABB
13,55 €
Each
Aantal stuks
4 3NO/NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw - - - - CA4 -
RS-stocknr. 460-1506
FabrikantnummerGHS2701916R0003 - S2-H02
FabrikantABB
18,50 €
Each
Aantal stuks
2 2NC - Side Mount 4 A dc, 6 A ac 24 V dc, 230 V ac DP - - - - - HSMS -
RS-stocknr. 843-4704
FabrikantnummerOZXK-1
FabrikantABB
58,31 €
Each
Aantal stuks
1 - - Panel Mount - - - - - - - - - -
RS-stocknr. 445-8166
FabrikantnummerGJL1201330R0003 - CAF6-11M
FabrikantABB
7,76 €
Each
Aantal stuks
2 NO/NC - Front Mount - 240 V dc, 500 V ac DP Screw - - - - B6 -
RS-stocknr. 445-8043
Fabrikantnummer1SBN010040R1122 - CA5-22M
FabrikantABB
17,08 €
Each
Aantal stuks
4 2NO/2NC - Front Mount 6 A 24 V dc, 230 V ac 4P Screw - - - - CA5 -
RS-stocknr. 711-6317
Fabrikantnummer1SBN010110R1010
FabrikantABB
4,10 €
Each
Aantal stuks
1 NO - Front Mount 6 A 600 V dc, 690 V ac SP Screw - - - - CA4 -
RS-stocknr. 711-6360
FabrikantnummerCA4-22M
FabrikantABB
16,45 €
Each
Aantal stuks
4 2NO/2NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw -40°C +70°C -40 → +70 °C - CA4 -
RS-stocknr. 183-3710
Fabrikantnummer470901
FabrikantABB
49,69 €
Each
Aantal stuks
1 - - DIN Rail Mount - - - - - - - - SN201 -