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. 706-0923
Fabrikantnummer3RH2911-1HA22
FabrikantSiemens
€ 15,60
Each
Aantal stuks
4 2NO/2NC Sirius Innovation Snap-On 6 A dc, 10 A ac 250 V dc, 690 V ac 4PST Screw -25°C +60°C -25 → +60 °C - 3RH2 -
RS-stocknr. 502-199
Fabrikantnummer100-KFA22Z
FabrikantAllen Bradley
€ 14,60
Each
Aantal stuks
4 2NO/2NC - Snap-On - - 4PST Screw - - - - 100K -
RS-stocknr. 246-5077
Fabrikantnummer3RV1901-1B
FabrikantSiemens
€ 9,92
Each
Aantal stuks
2 2NO Sirius Classic Side Mount 2 A 24 V ac DP - - +60°C Maximum of +60 °C - 3RV1 -
RS-stocknr. 246-4507
Fabrikantnummer3RH1921-1FA22
FabrikantSiemens
€ 13,80
Each
Aantal stuks
4 2NO/2NC - Front Mount 6 A - 4P Screw - - - - 3RH1 -
RS-stocknr. 513-0184
FabrikantnummerDILM150-XHI11
FabrikantEaton
€ 7,60
Each
Aantal stuks
2 NO/NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac DPST Screw - - - - DILM -
RS-stocknr. 706-0905
Fabrikantnummer3RH2911-1HA11
FabrikantSiemens
€ 9,29
Each
Aantal stuks
2 NO/NC Sirius Innovation Snap-On 6 A dc, 10 A ac 250 V dc, 690 V ac DPST Screw -25°C +60°C -25 → +60 °C - 3RH2 -
RS-stocknr. 513-0213
FabrikantnummerDILM150-XHI31
FabrikantEaton
€ 13,76
Each
Aantal stuks
4 3NO/NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac 4PST Screw - - - - DILM -
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. 818-283
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. 455-5829
FabrikantnummerGHS2701916R0001 - S2-H11
FabrikantABB
€ 18,45
Each
Aantal stuks
2 NO/NC - Side Mount 4 A dc, 6 A ac 24 V dc, 230 V ac DP - - - - - HSMS -
RS-stocknr. 791-2837
FabrikantnummerA9A26927
€ 29,85
Each
Aantal stuks
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-stocknr. 215-0747
Fabrikantnummer29450
FabrikantMerlin Gerin
€ 42,53
Each
Aantal stuks
1 NO/NC - - 6 A 250 V dc, 690 V ac SPDT Screw - - - - Multi 9 -
RS-stocknr. 412-2621
FabrikantnummerDILM820-XHI11-SI
FabrikantEaton
€ 18,28
Each
Aantal stuks
2 NO/NC - Side Mount 4 A ac, 10 A dc 220 V dc, 500 V ac DPST Screw - - - - DILM -
RS-stocknr. 238-1115
Fabrikantnummer100-SB10
FabrikantAllen Bradley
€ 10,20
Each
Aantal stuks
1 NO - Side Mount 10 A - SPST Screw - - - - 100S -
RS-stocknr. 243-7533
Fabrikantnummer3RH1911-1FA22
FabrikantSiemens
€ 14,00
Each
Aantal stuks
4 2NO/2NC Sirius Classic Snap-On 6 A - 4P Screw - - - - 3RH1 -
RS-stocknr. 502-288
Fabrikantnummer100-KFA11E
FabrikantAllen Bradley
€ 7,93
Each
Aantal stuks
2 NO/NC - Snap-On - - DPST Screw - - - - 100K -
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. 395-0172
FabrikantnummerGVAD0110
€ 17,15
Each
Aantal stuks
2 NO/NC - Side Mount - 240 V dc, 690 V ac DP Screw - - - - GVAD -
RS-stocknr. 513-0263
FabrikantnummerDILM150-XHIV22
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 - - - - DILM -
RS-stocknr. 759-049
FabrikantnummerLA1KN40
€ 14,55
Each
Aantal stuks
4 4NO - Clip On 10 A 600 V ac 4P Screw - - - - LA1K -
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