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. 711-6310
Fabrikantnummer1SBN010120R1011
FabrikantABB
€ 13,00
Each
Aantal stuks
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-stocknr. 521-4579
Fabrikantnummer5ST3010
FabrikantSiemens
€ 18,36
Each
Aantal stuks
2 NO/NC Sentron DIN Rail Mount 6 A 230 V ac DP Screw -5°C +40°C -5 → +40 °C - 5ST3 -
RS-stocknr. 706-0970
Fabrikantnummer3RH2911-2HA10
FabrikantSiemens
€ 6,84
Each
Aantal stuks
1 NO Sirius Innovation Snap-On 6 A dc, 10 A ac 250 V dc, 690 V ac SPST Cage Clamp -25°C +60°C -25 +60 °C - 3RH2 -
RS-stocknr. 257-3746
FabrikantnummerVZ20
€ 13,55
Each
Aantal stuks
2 2NO - - 12 A - DP - - - - - VZ20 -
RS-stocknr. 608-8775
FabrikantnummerGV7AC01
€ 39,65
Each
Aantal stuks
- - - - - - - - - - - - GV7A -
RS-stocknr. 124-3128
Fabrikantnummer5ST3020
FabrikantSiemens
€ 28,44
Each
Aantal stuks
- - Sentron - - - - - - - - - 5ST3 -
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. 246-4490
Fabrikantnummer3RH1921-1FA40
FabrikantSiemens
€ 10,96
Each
Aantal stuks
4 4NO Sirius Classic Front Mount 6 A - 4P Screw - - - - 3RH1 -
RS-stocknr. 392-8995
Fabrikantnummer3RH1921-2CA01
FabrikantSiemens
€ 4,69
Each
Aantal stuks
1 NC Sirius Classic Snap-On - - SP Cage Clamp - - - - 3RH1 -
RS-stocknr. 743-4992
FabrikantnummerDILM32-XHI11-S
FabrikantEaton
€ 16,17
Each
Aantal stuks
2 NO/NC - Side Mount 4 A ac, 10 A dc 220 V dc, 500 V ac DP Screw - - - - DILM -
RS-stocknr. 847-3689
FabrikantnummerZ-IHK-NA
FabrikantEaton
€ 23,90
Each
Aantal stuks
2 NO/NC - DIN Rail Mount 6 A 250 V ac - Screw - - - - - -
RS-stocknr. 800-7295
Fabrikantnummer1SFN010820R3311
FabrikantABB
€ 13,57
Each
Aantal stuks
4 NC, NO - Side Mount 6 A 690 V ac DP Screw - - - - CAL19 -
RS-stocknr. 121-6872
FabrikantRS PRO
€ 13,67
Each
Aantal stuks
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 → +60 °C - AR -
RS-stocknr. 351-5583
Fabrikantnummer140M-C-ASA11
FabrikantAllen Bradley
€ 13,00
Each
Aantal stuks
2 NO/NC - Side Mount - - DPST Screw - - - - 140 -
RS-stocknr. 482-4434
Fabrikantnummer1SCA022353R4970
FabrikantABB
€ 8,20
Each
Aantal stuks
1 NO - - - - - - - - - - - -
RS-stocknr. 257-3752
FabrikantnummerVZ7
€ 13,65
Each
Aantal stuks
2 NO/NC - - - - DP - - - - - VZ7 -
RS-stocknr. 493-0696
FabrikantnummerDILA-XHI40
FabrikantEaton
€ 13,90
Each
Aantal stuks
4 4NO - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac 4PST Screw - - - - DILA -
RS-stocknr. 706-1901
Fabrikantnummer3RV2901-2A
FabrikantSiemens
€ 10,17
Each
Aantal stuks
2 NO/NC Sirius Innovation Plug In 2 A dc, 10 A ac 250 V dc, 690 V ac DP Cage Clamp -20°C +60°C -20 +60 °C - 3RV2 -
RS-stocknr. 751-5714
Fabrikantnummer3RT1916-2FK21
FabrikantSiemens
€ 117,45
Each
Aantal stuks
2 NO/NC Sirius Classic DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C - 3RT1 -
RS-stocknr. 279-6315
FabrikantnummerLA1KN04
€ 14,55
Each
Aantal stuks
4 4NC - Clip On 10 A 600 V ac 4P Screw - - - - LA1K -
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