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. 685-1504
FabrikantnummerBFX1011
FabrikantLovato
€ 6,05
Each
Aantal stuks
2 1NO/1NC - Snap-On - - - Screw - - - - - -
RS-stocknr. 685-1517
FabrikantnummerBFX1022
FabrikantLovato
€ 11,25
Each
Aantal stuks
4 2NO/2NC - Snap-On - - - Screw - - - - - -
RS-stocknr. 685-1485
FabrikantnummerBFX1013
FabrikantLovato
€ 11,82
Each
Aantal stuks
4 1NO/3NC - Snap-On - - - Screw - - - - - -
RS-stocknr. 685-1523
FabrikantnummerBFX1020
FabrikantLovato
€ 5,94
Each
Aantal stuks
2 2NO - Snap-On - - - Screw - - - - - -
RS-stocknr. 685-1508
FabrikantnummerBFX1031
FabrikantLovato
€ 11,31
Each
Aantal stuks
4 3NO/1NC - Snap-On - - - Screw - - - - - -
RS-stocknr. 685-1510
FabrikantnummerBFX1002
FabrikantLovato
€ 6,05
Each
Aantal stuks
2 2NC - Snap-On - - - Screw - - - - - -
RS-stocknr. 825-6116
FabrikantnummerP1X1311
FabrikantLovato
€ 22,38
Each
Aantal stuks
1 1CO - Side Mount 3 A, 6 A 230 V, 400 V SPDT Screw - - - - - -
RS-stocknr. 901-0857
Fabrikantnummer11BGX1020
FabrikantLovato
€ 8,16
Each
Aantal stuks
2 2NO - DIN Rail Mount 10 A 690 V DPST Screw - - - - BG -
RS-stocknr. 901-0860
Fabrikantnummer11BGX1022
FabrikantLovato
€ 14,23
Each
Aantal stuks
4 2NO/2NC - DIN Rail Mount 10 A 690 V 4PST Screw - - - - BG -
RS-stocknr. 825-6107
FabrikantnummerP1X1011
FabrikantLovato
€ 18,68
Each
Aantal stuks
1 1CO - Side Mount 3 A, 6 A 230 V, 400 V SPDT Screw - - - - - -
RS-stocknr. 901-0863
Fabrikantnummer11BGX1031
FabrikantLovato
€ 14,23
Each
Aantal stuks
4 3NO/1NC - DIN Rail Mount 10 A 690 V 4PST Screw - - - - BG -
RS-stocknr. 901-0851
Fabrikantnummer11BGX1002
FabrikantLovato
€ 8,16
Each
Aantal stuks
2 2NC - DIN Rail Mount 10 A 690 V DPST Screw - - - - BG -
RS-stocknr. 901-0854
Fabrikantnummer11BGX1011
FabrikantLovato
€ 8,16
Each
Aantal stuks
2 1NO/1NC - DIN Rail Mount 10 A 690 V DPST Screw - - - - BG -