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 Dimensions
N° de stock RS 351-5583
Référence fabricant140M-C-ASA11
14,00 €
Each
Unité
2 NO/NC - Side Mount - - DPST Screw - - - - 140 -
N° de stock RS 502-171
Référence fabricant100-KFC11
9,25 €
Each
Unité
2 NO/NC - Snap-On 12 A - DPST Screw - - - - 100K -
N° de stock RS 238-1064
Référence fabricant100-FA11
12,40 €
Each
Unité
2 NO/NC - Front Mount 10 A - DPST Screw - - - - 100F -
N° de stock RS 238-1092
Référence fabricant100-FA40
24,50 €
Each
Unité
4 4NO - Front Mount 10 A - 4PST Screw - - - - 100F -
N° de stock RS 502-199
Référence fabricant100-KFA22Z
18,20 €
Each
Unité
4 2NO/2NC - Snap-On - - 4PST Screw - - - - 100K -
N° de stock RS 238-1086
Référence fabricant100-FA31
24,50 €
Each
Unité
4 3NO/NC - Front Mount 10 A - 4PST Screw - - - - 100F -
N° de stock RS 502-452
Référence fabricant100-KFC22
18,20 €
Each
Unité
4 2NO/2NC - Snap-On 12 A - 4PST Screw - - - - 100K -
N° de stock RS 502-288
Référence fabricant100-KFA11E
9,25 €
Each
Unité
2 NO/NC - Snap-On - - DPST Screw - - - - 100K -
N° de stock RS 502-187
Référence fabricant100-KFC20
9,25 €
Each
Unité
2 2NO - Snap-On 12 A - DPST Screw - - - - 100K -
N° de stock RS 422-9283
Référence fabricant194E-E-P11
13,10 €
Each
Unité
2 NO/NC - Side Mount 10 A 8 V dc DP - -20°C +55°C -20 +55 °C - 194 -
N° de stock RS 502-317
Référence fabricant100-KFA02E
9,25 €
Each
Unité
2 2NC - Snap-On - - DPST Screw - - - - 100K -
N° de stock RS 502-240
Référence fabricant100-KFA40E
18,20 €
Each
Unité
4 4NO - Snap-On - - 4PST Screw - - - - 100K -
N° de stock RS 238-1036
Référence fabricant100-FA20
12,40 €
Each
Unité
2 2NO - Front Mount 10 A - DPST Screw - - - - 100F -
N° de stock RS 502-193
Référence fabricant100-KFA31Z
18,20 €
Each
Unité
4 3NO/NC - Snap-On - - 4PST Screw - - - - 100K -
N° de stock RS 502-244
Référence fabricant100-KFA20E
9,25 €
Each
Unité
2 2NO - Snap-On - - DPST Screw - - - - 100K -
N° de stock RS 238-1070
Référence fabricant100-FA22
24,50 €
Each
Unité
4 2NO/2NC - Front Mount 10 A - 4PST Screw - - - - 100F -
N° de stock RS 351-5656
Référence fabricant140M-C-ASAR01M10
23,50 €
Each
Unité
2 NO/NC - Side Mount - - DP - - - - - 140 -
N° de stock RS 502-284
Référence fabricant100-KFA13E
18,20 €
Each
Unité
4 NO/3NC - Snap-On - - 4PST Screw - - - - 100K -
N° de stock RS 502-183
Référence fabricant100-KFC40
18,20 €
Each
Unité
4 4NO - Snap-On 12 A - 4PST Screw - - - - 100K -
N° de stock RS 502-313
Référence fabricant100-KFA04E
18,20 €
Each
Unité
4 4NC - Snap-On - - 4PST Screw - - - - 100K -