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. 215-0747
Fabrikantnummer29450
€ 80,00
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1 1NO/1NC - - 6 A 250 V dc, 690 V ac SPDT Screw - - - - Multi 9 -
RS-stocknr. 351-5577
Fabrikantnummer140M-C-AFA20
FabrikantAllen Bradley
€ 11,40
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2 2NO - Front Mount - - DPST Screw - - - - 140 -
RS-stocknr. 238-1092
Fabrikantnummer100-FA40
FabrikantAllen Bradley
€ 24,90
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4 4NO - Front Mount 10 A - 4PST Screw - - - - 100F -
RS-stocknr. 711-6354
Fabrikantnummer1SBN010140R1022 CA4-22E
FabrikantABB
€ 18,22
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4 2NO/2NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw - - - - CA4 -
RS-stocknr. 257-3730
FabrikantnummerVZ4
€ 18,71
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1 - - Side Mount 63 A 690 V ac SP Screw -20°C +50°C -20 → +50 °C - VZ4 -
RS-stocknr. 502-288
Fabrikantnummer100-KFA11E
FabrikantAllen Bradley
€ 9,38
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2 1NO/1NC - Snap-On - - DPST Screw - - - - 100K -
RS-stocknr. 513-0257
Fabrikantnummer277952 & DILM150-XHI04
FabrikantEaton
€ 14,19
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4 4NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac 4PST Screw - - - - DILM -
RS-stocknr. 351-5549
Fabrikantnummer140M-C-AFA10
FabrikantAllen Bradley
€ 9,24
Each
Aantal stuks
1 1NO - Front Mount - - SPST Screw - - - - 140 -
RS-stocknr. 711-6357
Fabrikantnummer1SBN010140R1031 CA4-31E
FabrikantABB
€ 20,24
Each
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4 3NO/1NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw - - - - CA4 -
RS-stocknr. 818-312
Fabrikantnummer072899 & AGM2-01-PKZ0
FabrikantEaton
€ 16,16
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2 2NC - Side Mount 2 A dc, 3.5 A ac 220 V dc, 500 V ac DPST Screw - - - - - -
RS-stocknr. 513-0263
Fabrikantnummer277953 & DILM150-XHIV22
FabrikantEaton
€ 14,19
Each
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4 2NO/2NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac 4PST Screw - - - - DILM -
RS-stocknr. 400-1467
FabrikantnummerLAD8N11
€ 11,44
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- - - - - - - - - - - - LAD8 -
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€ 13,10
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Aantal stuks
2 1NO/1NC TeSys U Series - 5 A 24 → 250 V ac/dc - - - - - - - -
RS-stocknr. 706-0850
Fabrikantnummer3RH2911-1AA01
FabrikantSiemens
€ 6,74
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1 1NC Sirius Innovation Snap-On 6 A ac, 10 A dc 250 V dc, 690 V ac SPST Screw -25°C +60°C -25 → +60 °C - 3RH2 -
RS-stocknr. 759-049
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€ 14,10
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4 4NO - Clip On 10 A 600 V ac 4P Screw - - - - LA1K -
RS-stocknr. 395-0150
FabrikantnummerGVAD1010
€ 16,62
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2 2NO - Side Mount - 240 V dc, 690 V ac DP Screw - - - - GVAD -
RS-stocknr. 759-055
FabrikantnummerLA1KN22
€ 14,10
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4 2NO/2NC TeSys Clip On 10 A 600 V ac 4P Screw - - -25 → 50 °C - LA1K -
RS-stocknr. 488-7384
Fabrikantnummer2CDS200912R0001 S2C-H6R
FabrikantABB
€ 17,35
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Aantal stuks
2 1NO/1NC - Side Mount - - DP Screw - - - - - -
RS-stocknr. 395-0172
FabrikantnummerGVAD0110
€ 16,62
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Aantal stuks
2 1NO/1NC - Side Mount - 240 V dc, 690 V ac DP Screw - - - - GVAD -
RS-stocknr. 610-3537
Fabrikantnummer3LD9200-5C
FabrikantSiemens
€ 14,22
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Aantal stuks
2 NO/NC - Floor - - DP - - - - 3D CAD Model - -