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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Beskrivning Pris 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-artikelnummer 800-7286
Tillv. art.nr1SFN010820R1011
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142,49 kr
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4 NC, NO - Side Mount 6 A 690 V ac DP Screw - - - - CAL19 -
RS-artikelnummer 711-6329
Tillv. art.nr1SBN010110R1001
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40,48 kr
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1 NC - Front Mount 6 A 600 V dc, 690 V ac SP Screw - - - - CA4 -
RS-artikelnummer 800-7295
Tillv. art.nr1SFN010820R3311
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142,49 kr
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4 NC, NO - Side Mount 6 A 690 V ac DP Screw - - - - CAL19 -
RS-artikelnummer 435-421
Tillv. art.nr2CCS800900R0021
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549,05 kr
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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-artikelnummer 711-6339
Tillv. art.nrCAT4-11E
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100,50 kr
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2 NO/NC - Front Mount 6 A 600 V dc, 690 V ac DP Screw - - - - CAT4 -
RS-artikelnummer 488-6448
Tillv. art.nrS2C-S/H6R
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211,25 kr
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2 NO/NC - Side Mount 1.5 A dc, 6 A ac 110 V dc, 240 V ac DP Screw - - - - S2C -
RS-artikelnummer 445-8021
Tillv. art.nr1SBN010010R1001
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48,86 kr
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1 NC - Front Mount - - SP Screw - - - - CA5 -
RS-artikelnummer 711-6310
Tillv. art.nr1SBN010120R1011
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120,98 kr
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2 NO/NC - Side Mount 6 A 600 V dc, 690 V ac DP Screw -40°C +70°C -40 +70 °C - CAL4-11 -
RS-artikelnummer 711-6395
Tillv. art.nrCA4-13N
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156,34 kr
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4 NO/3NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw -40°C +70°C -40 → +70 °C - CA4 -
RS-artikelnummer 711-6398
Tillv. art.nrCA4-31N
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156,34 kr
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4 3NO/NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw -40°C +70°C -40 → +70 °C - CA4 -
RS-artikelnummer 711-6367
Tillv. art.nrCA4-13M
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156,34 kr
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4 NO/3NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw -40°C +70°C -40 → +70 °C - CA4 -
RS-artikelnummer 711-6341
Tillv. art.nrCAT4-11U
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100,50 kr
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2 NO/NC - Front Mount 6 A 600 V dc, 690 V ac DP Screw - - - - CAT4 -
RS-artikelnummer 711-6379
Tillv. art.nrCA4-22U
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156,34 kr
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4 2NO/2NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw - - - - CA4 -
RS-artikelnummer 456-0253
Tillv. art.nr1SBN010020R1011
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136,80 kr
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2 NO/NC - Side Mount - - DP Screw - - - - CAL5 -
RS-artikelnummer 460-1499
Tillv. art.nrGHS2701916R0002 - S2-H20
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182,40 kr
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2 2NO - Side Mount 4 A dc, 6 A ac 24 V dc, 230 V ac DP - - - - - HSMS -
RS-artikelnummer 711-6351
Tillv. art.nrCA4-04E
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156,34 kr
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4 4NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw - - - - CA4 -
RS-artikelnummer 711-6332
Tillv. art.nrCC4-10
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110,74 kr
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1 NO - Front Mount 6 A 600 V dc, 690 V ac SP Screw -40°C +70°C -40 +70 °C - EF14 -
RS-artikelnummer 445-8093
Tillv. art.nrGHE3401321R0001
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216,32 kr
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2 2NO - DIN Rail Mount 4 A 220 V dc, 400 V ac DP Screw -25°C +55°C -25 +55 °C - ESB -
RS-artikelnummer 711-6360
Tillv. art.nrCA4-22M
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156,34 kr
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4 2NO/2NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw -40°C +70°C -40 → +70 °C - CA4 -
RS-artikelnummer 711-6363
Tillv. art.nrCA4-31M
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156,34 kr
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4 3NO/NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw - - - - CA4 -