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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กำลังดูสินค้า 1 - 20 รายการจาก 482 รายการ / Viewing 1 - 20 of 482 products
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รายละเอียดสินค้า / Description ราคา / 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 Dimensions External Length
RS Stock No. 331-3696
Brand :RS PRO
THB263.85
Each
Units
2 NO/NC - DIN Rail Mount - 240 V ac DP - - - - - - -
RS Stock No. 121-6873
Brand :RS PRO
THB95.39
Each
Units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C MSK - -
RS Stock No. 121-6874
Brand :RS PRO
THB103.45
Each
Units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C MSK - -
RS Stock No. 121-6865
Brand :RS PRO
THB152.71
Each
Units
1 NO - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C HSV - -
RS Stock No. 121-6867
Brand :RS PRO
THB176.45
Each
Units
1 NO - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C HRS - -
RS Stock No. 121-6871
Brand :RS PRO
THB420.08
Each
Units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C AR - -
RS Stock No. 466-295
Brand :RS PRO
THB157.66
Each
Units
1 NO/NC - Panel Mount 63 A - SPDT - - - - - - -
RS Stock No. 121-6870
Brand :RS PRO
THB424.56
Each
Units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C UR - -
RS Stock No. 121-6875
Brand :RS PRO
THB118.23
Each
Units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C MSK - -
RS Stock No. 121-6872
Brand :RS PRO
THB395.37
Each
Units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 → +60 °C AR - -
RS Stock No. 121-6866
Brand :RS PRO
THB154.06
Each
Units
1 NC - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C HSV - -
RS Stock No. 121-6869
Brand :RS PRO
THB420.08
Each
Units
- - - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C UR - -
RS Stock No. 121-6868
Brand :RS PRO
THB176.45
Each
Units
1 NC - DIN Rail Mount - - - Screw -25°C +60°C -25 +60 °C HRS - -
RS Stock No. 394-9936
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.LADN11
THB420.07
Each
Units
2 NO/NC TeSys Front Mount 10 A - DP Screw - - - LADN - -
RS Stock No. 791-2824
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.A9A26924
THB1,321.36
Each
Units
1 NO/NC Acti 9 DIN Rail Mount 2 A dc, 6 A ac 24 130 V dc, 240 415 V ac SPCO Screw -35°C +70°C -35 +70 °C iOF - -
RS Stock No. 394-9908
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.LADN22
THB674.28
Each
Units
4 2NO/2NC TeSys Front Mount 10 A 600 V ac 4P Screw -5°C +60°C - LADN - -
RS Stock No. 746-0705
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.3RH1921-1HA22
Brand :Siemens
THB478.67
Each
Units
4 2NO/2NC Sirius Classic Snap Front - - 4P Screw - - - 3RH1 - -
RS Stock No. 314-286
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.3TX4010-2A
Brand :Siemens
THB234.36
Each
Units
1 NO - Plug In 6 A - SP - - - - 3TX4 - -
RS Stock No. 394-9879
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.LADN40
THB729.25
Each
Units
4 4NO TeSys Front Mount 10 A - 4P Screw - - - LADN - -
RS Stock No. 243-9898
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.GAC0521
THB1,352.23
Each
Units
2 NO/NC - Clip On - - DP - - - - GAC0 - -
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