Eaton 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 Number of Timing Ranges External Dimensions
RS Stock No. 333-546
Mfr. Part No.HI11-P1/P3-Z/SOND
BrandEaton
£9.65
Each
Units
- NO/NC - - 10 A - - Screw - - - - - -
RS Stock No. 818-277
Mfr. Part No.NHI11-PKZ0
BrandEaton
£9.63
Each
Units
2 NO/NC - Side Mount 2 A dc, 3.5 A ac 220 V dc, 500 V ac DPST Screw - - - - - -
RS Stock No. 493-0680
Mfr. Part No.DILA-XHI22
BrandEaton
£10.37
Each
Units
4 2NO/2NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac 4PST Screw - - - DILA - -
RS Stock No. 244-0107
Mfr. Part No.NHI-E-11-PKZ0
BrandEaton
£8.63
Each
Units
2 NO/NC - Front Mount 1 A ac, 2 A dc 24 V dc, 240 V ac DPST Screw - - - - - -
RS Stock No. 493-0652
Mfr. Part No.DILM32-XHI22
BrandEaton
£10.37
Each
Units
4 2NO/2NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac 4PST Screw - - - DILM - -
RS Stock No. 513-0229
Mfr. Part No.DILM150-XHI22
BrandEaton
£10.37
Each
Units
4 2NO/2NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac 4PST Screw - - - DILM - -
RS Stock No. 219-1439
Mfr. Part No.HI11-P1/P3E-SOND
BrandEaton
£10.37
Each
Units
- - - - 10 A - - - - - - - - -
RS Stock No. 493-0624
Mfr. Part No.DILM32-XHI11
BrandEaton
£6.13
Each
Units
2 NO/NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac DPST Screw - - - DILM - -
RS Stock No. 922-7210
Mfr. Part No.FAZ-XHIN11
BrandEaton
£16.30
Each
Units
2 NO/NC - DIN Rail Mount 3 A ac, 500 mA dc 120 V dc, 240 V ac SPDT Screw - - - FAZ - -
RS Stock No. 326-734
Mfr. Part No.22DILE
BrandEaton
£12.65
Each
Units
4 2NO/2NC - Front Mount 2.5 A dc, 4 A ac 220 V dc, 500 V ac 4PST Screw - - - - - -
RS Stock No. 513-0184
Mfr. Part No.DILM150-XHI11
BrandEaton
£6.13
Each
Units
2 NO/NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac DPST Screw - - - DILM - -
RS Stock No. 818-283
Mfr. Part No.NHI21-PKZ0
BrandEaton
£15.68
Each
Units
3 2NO/NC - Side Mount 2 A dc, 3.5 A ac 220 V dc, 500 V ac 3PST Screw - - - - - -
RS Stock No. 326-633
Mfr. Part No.22DILEM
BrandEaton
£12.42
Each
Units
4 2NO/2NC - Front Mount 2.5 A dc, 4 A ac 220 V dc, 500 V ac 4PST Screw - - - - - -
RS Stock No. 492-1692
Mfr. Part No.NHI-E-10-PKZ0
BrandEaton
£7.42
Each
Units
1 NO - Front Mount 1 A ac, 2 A dc 110 V dc, 240 V ac SPST Screw - - - - - -
RS Stock No. 493-0668
Mfr. Part No.DILA-XHI11
BrandEaton
£6.13
Each
Units
2 NO/NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac DPST Screw - - - DILA - -
RS Stock No. 326-627
Mfr. Part No.11DILEM
BrandEaton
£7.00
Each
Units
2 NO/NC - Front Mount 2.5 A dc, 4 A ac 220 V dc, 500 V ac DPST Screw - - - - - -
RS Stock No. 513-0213
Mfr. Part No.DILM150-XHI31
BrandEaton
£10.37
Each
Units
4 3NO/NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac 4PST Screw - - - DILM - -
RS Stock No. 493-0674
Mfr. Part No.DILA-XHI31
BrandEaton
£10.37
Each
Units
4 3NO/NC - Front Mount 4 A ac, 10 A dc 220 V dc, 500 V ac 4PST Screw - - - DILA - -
RS Stock No. 467-9650
Mfr. Part No.04DILE
BrandEaton
£12.65
Each
Units
4 4NC - Front Mount 2.5 A dc, 4 A ac 220 V dc, 500 V ac 4PST Screw - - - - - -
RS Stock No. 412-2621
Mfr. Part No.DILM820-XHI11-SI
BrandEaton
£15.08
Each
Units
2 NO/NC - Side Mount 4 A ac, 10 A dc 220 V dc, 500 V ac DPST Screw - - - DILM - -