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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Description Prix 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
N° de stock RS 257-3752
Référence fabricantVZ7
13,22 €
Each
Unité
2 NO/NC - - - - DP - - - - - VZ7 -
N° de stock RS 392-8973
Référence fabricant3RH1921-1CA01
MarqueSiemens
4,69 €
Each
Unité
1 NC Sirius Classic Snap-On - - SP Screw - - - - 3RH1 -
N° de stock RS 706-0885
Référence fabricant3RH2911-1FA40
MarqueSiemens
14,49 €
Each
Unité
4 4NO 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 -
N° de stock RS 394-9970
Référence fabricantLADN02
9,88 €
Each
Unité
2 2NC - Front Mount - - DP Screw - - - - LADN -
N° de stock RS 219-1439
Référence fabricant78627297 & HI11-P1/P3E(RS219-1439)
MarqueEaton
12,13 €
Each
Unité
2 NO/NC - Side Mount 10 A - - - - +50°C - - - -
N° de stock RS 400-1467
Référence fabricantLAD8N11
11,44 €
Each
Unité
- - - - - - - - - - - - LAD8 -
N° de stock RS 243-7454
Référence fabricant3RH1911-1AA10
MarqueSiemens
4,60 €
Each
Unité
1 NO Sirius Classic Snap-On 6 A - SP Screw - - - - 3RH1 -
N° de stock RS 395-0150
Référence fabricantGVAD1010
16,62 €
Each
Unité
2 2NO - Side Mount - 240 V dc, 690 V ac DP Screw - - - - GVAD -
N° de stock RS 215-0747
Référence fabricant29450
MarqueMerlin Gerin
80,00 €
Each
Unité
1 NO/NC - - 6 A 250 V dc, 690 V ac SPDT Screw - - - - Multi 9 -
N° de stock RS 394-9936
Référence fabricantLADN11
9,88 €
Each
Unité
2 NO/NC TeSys Front Mount 10 A - DP Screw - - -5 +60 °C - LADN -
N° de stock RS 488-7384
Référence fabricant2CDS200912R0001
MarqueABB
16,78 €
Each
Unité
2 NO/NC - Side Mount - - DP Screw - - - - - -
N° de stock RS 609-4398
Référence fabricantVZN11
10,03 €
Each
Unité
- - - Side Mount 16 A - - - - - - - VZN1 -
N° de stock RS 714-1934
Référence fabricantSAUXCO
14,22 €
Each
Unité
2 NO/NC - Side Mount - - DP Screw - - - - - -
N° de stock RS 759-033
Référence fabricantLA1KN02
9,05 €
Each
Unité
2 2NC - Clip On 10 A 600 V ac DP Screw - - - - LA1K -
N° de stock RS 711-6379
Référence fabricantCA4-22U
MarqueABB
19,68 €
Each
Unité
4 2NO/2NC - Front Mount 6 A 600 V dc, 690 V ac 4P Screw - - - - CA4 -
N° de stock RS 333-546
Référence fabricant78819020 & HI11-P1/P3Z(RS333-546)
MarqueEaton
10,98 €
Each
Unité
2 NO/NC - Side Mount 10 A - - Screw - +50°C - - - -
N° de stock RS 776-2948
Référence fabricantA9N26923
41,77 €
Each
Unité
- - - - - - - - - - - 3D CAD Model - -
N° de stock RS 922-7210
Référence fabricant286054 & FAZ-XHIN11
MarqueEaton
19,56 €
Each
Unité
2 NO/NC - DIN Rail Mount 3 A ac, 500 mA dc 120 V dc, 240 V ac SPDT Screw - - - - FAZ -
N° de stock RS 326-712
Référence fabricant010224 & 11DILE
MarqueEaton
7,58 €
Each
Unité
2 NO/NC - Front Mount 2.5 A dc, 4 A ac 220 V dc, 500 V ac DPST Screw - - - - - -
N° de stock RS 122-9427
Référence fabricant3RH2921-2DA11
MarqueSiemens
12,96 €
Each
Unité
2 NO/NC Sirius Innovation Snap-On 10 A 690 V SPST Cage Clamp -25°C +60°C -25 +60 °C - 3RH29 -