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 Width
N° de stock RS 209-5864
Référence fabricantM5735207
MarqueMETCASE
108,74 €
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- - - - - - - - - - - - Mettec 250 mm
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2 2NO Sirius Innovation Plug In 1 A dc, 2.5 A ac 60 V dc, 230 V ac DP Screw -20°C +60°C -20 +60 °C - - -
N° de stock RS 326-633
Référence fabricant010112 & 22DILEM
MarqueEaton
12,92 €
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4 2NO/2NC - Front Mount 2.5 A dc, 4 A ac 220 V dc, 500 V ac 4PST Screw - - - - - -
N° de stock RS 209-5527
Référence fabricantM5720104
MarqueMETCASE
70,29 €
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Unité
- - - - - - - - - - - - Mettec 130 mm
N° de stock RS 122-9427
Référence fabricant3RH2921-2DA11
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12,96 €
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2 NO/NC Sirius Innovation Snap-On 10 A 690 V SPST Cage Clamp -25°C +60°C -25 +60 °C - 3RH29 -
N° de stock RS 521-4579
Référence fabricant5ST3010
MarqueSiemens
18,36 €
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2 NO/NC Sentron DIN Rail Mount 6 A 230 V ac DP Screw -5°C +40°C -5 → +40 °C - 5ST3 -
N° de stock RS 746-0705
Référence fabricant3RH1921-1HA22
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19,14 €
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4 2NO/2NC Sirius Classic Snap Front - - 4P Screw - - - - 3RH1 -
N° de stock RS 314-292
Référence fabricant3TX4001-2A
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5,89 €
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1 NC - Plug In 6 A - SP - - - - - 3TX4 -
N° de stock RS 874-4537
Référence fabricant3VA9988-0AA12
MarqueSiemens
22,05 €
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3 4NO/2NC Sentron Side Mount 6 A - - Screw - - - - 3VA -
N° de stock RS 394-9914
Référence fabricantLADN20
9,88 €
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2 2NO TeSys Front Mount 10 A - DP Screw - - - - LADN -
N° de stock RS 776-2948
Référence fabricantA9N26923
41,77 €
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- - - - - - - - - - - 3D CAD Model - -
N° de stock RS 257-3689
Référence fabricantVZ01
11,53 €
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1 - - Side Mount 16 A 690 V ac SP Screw -20°C +50°C -20 → +50 °C - VZ01 -
N° de stock RS 813-9415
Référence fabricantLADN226
17,99 €
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8 2NO/2NC - Front Mount 10 A 690 V ac 4P Lug Ring -40°C +70°C -40 → +70 °C - - -
N° de stock RS 246-4507
Référence fabricant3RH1921-1FA22
MarqueSiemens
10,96 €
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4 2NO/2NC - Front Mount 6 A - 4P Screw - - - - 3RH1 -
N° de stock RS 326-712
Référence fabricant010224 & 11DILE
MarqueEaton
7,58 €
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2 NO/NC - Front Mount 2.5 A dc, 4 A ac 220 V dc, 500 V ac DPST Screw - - - - - -
N° de stock RS 395-0352
Référence fabricantGV2AF3
4,98 €
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- - - - - - - - - - - - GV2A -
N° de stock RS 706-1897
Référence fabricant3RV2901-1E
MarqueSiemens
10,17 €
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2 NO/NC Sirius Innovation Plug In 1 A dc, 2.5 A ac 60 V dc, 230 V ac DP Screw -20°C +60°C -20 → +60 °C - 3RV2 -
N° de stock RS 751-5751
Référence fabricant3RT1926-2FJ31
MarqueSiemens
92,68 €
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2 NO/NC Sirius Classic - 20 mA - - Screw -25°C +60°C -25 +60 °C - 3RT1 -
N° de stock RS 319-691
Référence fabricantK0 H010/A11-VE
9,71 €
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2 NO/NC - - 25 A, 32 A - DP - - - - - - -
N° de stock RS 608-8775
Référence fabricantGV7AC01
38,42 €
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- - - - - - - - - - - - GV7A -