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 Price 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 Series External Width External Dimensions
RS庫存編號 685-1517
製造零件編號BFX1022
BrandLovato
HK$183.18
單位
4 2NO/2NC - Snap-On - - - Screw - - - - - -
RS庫存編號 685-1504
製造零件編號BFX1011
BrandLovato
HK$93.53
單位
2 NO/NC - Snap-On - - - Screw - - - - - -
RS庫存編號 901-0854
製造零件編號11BGX1011
BrandLovato
HK$84.20
單位
2 1NO/1NC - DIN Rail Mount 10 A 690 V DPST Screw - - - BG - -
RS庫存編號 825-6116
製造零件編號P1X1311
BrandLovato
HK$233.45
單位
1 1CO - Side Mount 3 A, 6 A 230 V, 400 V SPDT Screw - - - - - -
RS庫存編號 685-1523
製造零件編號BFX1020
BrandLovato
HK$93.53
單位
2 2NO - Snap-On - - - Screw - - - - - -
RS庫存編號 685-1508
製造零件編號BFX1031
BrandLovato
HK$183.18
單位
4 3NO/NC - Snap-On - - - Screw - - - - - -
RS庫存編號 901-0857
製造零件編號11BGX1020
BrandLovato
HK$84.20
單位
2 2NO - DIN Rail Mount 10 A 690 V DPST Screw - - - BG - -
RS庫存編號 685-1485
製造零件編號BFX1013
BrandLovato
HK$191.52
單位
4 NO/3NC - Snap-On - - - Screw - - - - - -
RS庫存編號 901-0863
製造零件編號11BGX1031
BrandLovato
HK$156.64
單位
4 3NO/1NC - DIN Rail Mount 10 A 690 V 4PST Screw - - - BG - -
RS庫存編號 685-1510
製造零件編號BFX1002
BrandLovato
HK$93.53
單位
2 2NC - Snap-On - - - Screw - - - - - -
RS庫存編號 825-6107
製造零件編號P1X1011
BrandLovato
HK$190.93
單位
1 1CO - Side Mount 3 A, 6 A 230 V, 400 V SPDT Screw - - - - - -
RS庫存編號 901-0851
製造零件編號11BGX1002
BrandLovato
HK$84.20
單位
2 2NC - DIN Rail Mount 10 A 690 V DPST Screw - - - BG - -
RS庫存編號 901-0860
製造零件編號11BGX1022
BrandLovato
HK$156.64
單位
4 2NO/2NC - DIN Rail Mount 10 A 690 V 4PST Screw - - - BG - -