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. 351-5561
Fabrikantnummer140M-C-AFA11
FabrikantAllen Bradley
€ 11,40
Each
Aantal stuks
2 1NO/1NC - Front Mount - - DPST Screw - - - - 140 -
RS-stocknr. 238-1070
Fabrikantnummer100-FA22
FabrikantAllen Bradley
€ 24,90
Each
Aantal stuks
4 2NO/2NC - Front Mount 10 A - 4PST Screw - - - - 100F -
RS-stocknr. 238-1064
Fabrikantnummer100-FA11
FabrikantAllen Bradley
€ 12,60
Each
Aantal stuks
2 1NO/1NC - Front Mount 10 A - DPST Screw - - - - 100F -
RS-stocknr. 502-199
Fabrikantnummer100-KFA22Z
FabrikantAllen Bradley
€ 18,40
Each
Aantal stuks
4 2NO/2NC - Snap-On - - 4PST Screw - - - - 100K -
RS-stocknr. 238-1115
Fabrikantnummer100-SB10
FabrikantAllen Bradley
€ 7,86
Each
Aantal stuks
1 1NO - Side Mount 10 A - SPST Screw - - - - 100S -
RS-stocknr. 351-5577
Fabrikantnummer140M-C-AFA20
FabrikantAllen Bradley
€ 11,40
Each
Aantal stuks
2 2NO - Front Mount - - DPST Screw - - - - 140 -
RS-stocknr. 238-1092
Fabrikantnummer100-FA40
FabrikantAllen Bradley
€ 24,90
Each
Aantal stuks
4 4NO - Front Mount 10 A - 4PST Screw - - - - 100F -
RS-stocknr. 351-5549
Fabrikantnummer140M-C-AFA10
FabrikantAllen Bradley
€ 9,24
Each
Aantal stuks
1 1NO - Front Mount - - SPST Screw - - - - 140 -
RS-stocknr. 502-288
Fabrikantnummer100-KFA11E
FabrikantAllen Bradley
€ 9,38
Each
Aantal stuks
2 1NO/1NC - Snap-On - - DPST Screw - - - - 100K -
RS-stocknr. 238-1058
Fabrikantnummer100-FA02
FabrikantAllen Bradley
€ 12,60
Each
Aantal stuks
2 2NC - Front Mount 10 A - DPST Screw - - - - 100F -
RS-stocknr. 351-5599
Fabrikantnummer140M-C-ASA20
FabrikantAllen Bradley
€ 14,20
Each
Aantal stuks
2 2NO - Side Mount - - DPST Screw - - - - 140 -
RS-stocknr. 502-187
Fabrikantnummer100-KFC20
FabrikantAllen Bradley
€ 9,38
Each
Aantal stuks
2 2NO - Snap-On 12 A - DPST Screw - - - - 100K -
RS-stocknr. 502-244
Fabrikantnummer100-KFA20E
FabrikantAllen Bradley
€ 9,38
Each
Aantal stuks
2 2NO - Snap-On - - DPST Screw - - - - 100K -
RS-stocknr. 351-5583
Fabrikantnummer140M-C-ASA11
FabrikantAllen Bradley
€ 14,20
Each
Aantal stuks
2 1NO/1NC - Side Mount - - DPST Screw - - - - 140 -
RS-stocknr. 238-1036
Fabrikantnummer100-FA20
FabrikantAllen Bradley
€ 12,60
Each
Aantal stuks
2 2NO - Front Mount 10 A - DPST Screw - - - - 100F -
RS-stocknr. 422-9299
Fabrikantnummer194E-A-P11
FabrikantAllen Bradley
€ 13,30
Each
Aantal stuks
2 1NO/1NC - Side Mount 6 A 17 V dc DP - -20°C +55°C -20 → +55 °C - 194 -
RS-stocknr. 502-313
Fabrikantnummer100-KFA04E
FabrikantAllen Bradley
€ 18,40
Each
Aantal stuks
4 4NC - Snap-On - - 4PST Screw - - - - 100K -
RS-stocknr. 351-5606
Fabrikantnummer140M-C-ASA02
FabrikantAllen Bradley
€ 14,20
Each
Aantal stuks
2 2NC - Side Mount - - DPST Screw - - - - 140 -
RS-stocknr. 238-1121
Fabrikantnummer100-SB11
FabrikantAllen Bradley
€ 12,60
Each
Aantal stuks
2 1NO/1NC - Side Mount 10 A - SPST Screw - - - - 100S -
RS-stocknr. 502-177
Fabrikantnummer100-KFC02
FabrikantAllen Bradley
€ 9,38
Each
Aantal stuks
2 2NC - Snap-On 12 A - DPST Screw - - - - 100K -