Auxiliary Contacts

Auxiliary contacts, also known as auxiliary contactors are electromechanical devices used in conjunction with primary switching equipment such as contactors, circuit breakers, switches, and relays. These secondary switching devices are physically connected to the main switching equipment and work at the same time. The add-on accessories are available in a range of contact configurations and mounting styles to suit a wide range of industrial control applications.RS Components offer an extensive range of high-quality auxiliary contact blocks from industry-leading brands including Schneider Electric, Siemens, ABB, Lovato, Eaton, and of course RS Pro.

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. Auxiliary contacts are available in a variety of mounting styles such as a front mount or DIN rail mount and a range of terminal types including screw terminals, screw clamp terminals, and cage clamp terminals making it easy to find the right contact for the application.

What are auxiliary contacts used for?

One common usage of auxiliary contacts is in push-button controllers, where they can be built into the start button. They are a common component in relay logic circuits solid-state electronics, electric motors, motor control schemes, and other industrial control applications.

What are the different types of contact blocks?

There are two types of contact, contacts that are closed in a non-activated state and those that are open. They will be described as N/C (normally closed) and N/O (normally open).NC contacts are used as interlocks. NO contacts are used for switching on other components such as status indication lamps.


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Omschrijving Prijs Number of Contacts Normal State Configuration Range Mounting Style Contact Current Rating Contact Voltage Rating Series Pole and Throw Configuration Terminal Type Minimum Operating Temperature Maximum Operating Temperature Operating Temperature Range CAD Drawing
RS-stocknr. 121-6874
FabrikantRS PRO
€ 3,62
Each
Aantal stuks
- - - DIN Rail Mount - - MSK - Screw -25°C +60°C -25 → +60 °C -
RS-stocknr. 121-6872
FabrikantRS PRO
€ 14,87
Each
Aantal stuks
- - - DIN Rail Mount - - AR - Screw -25°C +60°C -25 → +60 °C -
RS-stocknr. 331-3696
FabrikantRS PRO
€ 5,89
Each
Aantal stuks
2 1NC + 1NO - DIN Rail Mount - 240 V ac - DP - - - - -
RS-stocknr. 121-6865
FabrikantRS PRO
€ 5,42
Each
Aantal stuks
1 1NO - DIN Rail Mount - - HSV - Screw -25°C +60°C -25 → +60 °C -
RS-stocknr. 121-6875
FabrikantRS PRO
€ 4,14
Each
Aantal stuks
- - - DIN Rail Mount - - MSK - Screw -25°C +60°C -25 → +60 °C -
RS-stocknr. 121-6870
FabrikantRS PRO
€ 14,87
Each
Aantal stuks
- - - DIN Rail Mount - - UR - Screw -25°C +60°C -25 → +60 °C -
RS-stocknr. 466-295
FabrikantRS PRO
€ 4,59
Each
Aantal stuks
1 1NC + 1NO - Panel Mount 63 A - - SPDT - - - - -
RS-stocknr. 121-6871
FabrikantRS PRO
€ 14,87
Each
Aantal stuks
- - - DIN Rail Mount - - AR - Screw -25°C +60°C -25 → +60 °C -
RS-stocknr. 121-6866
FabrikantRS PRO
€ 5,42
Each
Aantal stuks
1 1NC - DIN Rail Mount - - HSV - Screw -25°C +60°C -25 → +60 °C -
RS-stocknr. 121-6869
FabrikantRS PRO
€ 14,87
Each
Aantal stuks
- - - DIN Rail Mount - - UR - Screw -25°C +60°C -25 → +60 °C -
RS-stocknr. 121-6868
FabrikantRS PRO
€ 6,26
Each
Aantal stuks
1 1NC - DIN Rail Mount - - HRS - Screw -25°C +60°C -25 → +60 °C -
RS-stocknr. 121-6867
FabrikantRS PRO
€ 6,26
Each
Aantal stuks
1 1NO - DIN Rail Mount - - HRS - Screw -25°C +60°C -25 → +60 °C -
RS-stocknr. 394-9936
FabrikantnummerLADN11
€ 9,88
Each
Aantal stuks
2 1NC + 1NO TeSys Front Mount 10 A - LADN DP Screw - - -5 → +60 °C -
RS-stocknr. 394-9908
FabrikantnummerLADN22
€ 17,20
Each
Aantal stuks
4 2NC + 2NO TeSys Front Mount 10 A 600 V ac LADN 4P Screw -5°C +60°C - -
RS-stocknr. 513-0229
Fabrikantnummer277950 & DILM150-XHI22
FabrikantEaton
€ 14,19
Each
Aantal stuks
4 2NC + 2NO - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac DILM 4PST Screw - - - -
RS-stocknr. 395-0144
FabrikantnummerGVAE11
€ 11,24
Each
Aantal stuks
2 1NC + 1NO TeSys Front Mount 2.5 A 60 V dc, 240 V ac GVAE DP Screw - - - -
RS-stocknr. 493-0652
Fabrikantnummer277377 & DILM32-XHI22
FabrikantEaton
€ 14,06
Each
Aantal stuks
4 2NC + 2NO - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac DILM 4PST Screw - - - -
RS-stocknr. 791-2824
FabrikantnummerA9A26924
€ 28,93
Each
Aantal stuks
1 1CO Acti 9 DIN Rail Mount 2 A dc, 6 A ac 24 → 130 V dc, 240 → 415 V ac iOF SPCO Screw -35°C +70°C -35 → +70 °C -
RS-stocknr. 776-2932
FabrikantnummerA9N26959
€ 75,57
Each
Aantal stuks
- - - - - - - - - - - - 3D CAD Model
RS-stocknr. 351-5561
Fabrikantnummer140M-C-AFA11
FabrikantAllen Bradley
€ 11,40
Each
Aantal stuks
2 1NC + 1NO - Front Mount - - 140 DPST Screw - - - -