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We will be closed from 29th March for the Easter Bank Holiday, re-opening Tuesday 2nd April. You can continue to purchase online but orders will not be processed until the 2nd. You may however continue to use our out-of-hours service.

Interface Relays

What are Interface Relays?

An interface relay module is designed to guarantee the interfacing digital control signals that are being exchanged between the processing units and other crucial automation control components are maintained. Interface relays are used with components that are isolated from each other and cannot be allowed to be directly connected due to differences in their voltage.

Interface relay modules are provided with galvanic isolation between the final and receiving control systems of the interface relay which protects the signals from interference. An interface relay guarantees electrical and information compatibility and supplies the required algorithms for the interaction of special control instruments components.

Where are Interface Relays used?

A general-purpose relay module has some level of isolation between output and input circuits, but this function is only secondary and isn’t decisive. However, the property of galvanic isolation in interface relays is decisive. Interface relays are typical utilised in control and protection systems such as powerful radio-electronic, electrophysical, X-ray and other high-power (10-100kV) applications.

Kempston Controls, a leading supplier of automation and control components, stocks an extensive range of plc interface relays from all the leading brands including WeidmullerABBFinderMURR and many more.

Give our dedicated sales team a call on +44 (0) 1933 411411 or use the contact form above to discuss your relay module requirements.


Showing 1 - 10 of 28 results

Price
£15.36
£18.43 (IncVAT)

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Phoenix 2966171
Phoenix

2966171

PLC-RSC- 24DC/21

24VDC RELAY AND BASE by Phoenix

Price
£10.79
£12.95 (IncVAT)

30 in stock

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18 in stock

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Phoenix 2961121
Phoenix

2961121

REL-MR- 24DC/21AU

PLUG-IN MINIATURE POWER RELAY, WITH MULTI-LAYER GOLD CONTACT, 1 PDT, INPUT VOLTAGE 24 V DC by Phoenix

Estimated lead time: 7 to 8 days | Check Availability

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Price
£6.26
£7.51 (IncVAT)

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Phoenix 2980416
Phoenix

2980416

PLC-BSC-120UC/21-21/SO46 by Phoenix

Estimated lead time: 14 to 15 days | Check Availability

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Phoenix 2966265
Phoenix

2966265

PLC-RSC- 24DC/21AU

RELAY MODULE, SCREW CONNECTION, DIN RAIL, 24V DC, 6A, M3, 6.2X80X94MM by Phoenix

Estimated lead time: 12 to 13 days | Check Availability

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Phoenix 1021766
Phoenix

1021766

RIF-2-RPT-MH-L-230AC/4X21AU

PRE-ASSEMBLED MODULE, BASE, POWER CONTACT RELAY, HARD GOLD PLATING, 4CO, 230VAC by Phoenix

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Phoenix 2964445
Phoenix

2964445

EMG 10-REL/KSR-120/21-LC

RELAY MODULE, MINIATURE SWITCHING RELAY, MED. TO LARGE LOADS, 1PDT, 120VAC/DC by Phoenix

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Phoenix 2903670
Phoenix

2903670

REL-IR4/LDP- 24DC/4X21AU

INDUSTRIAL RELAY WITH POWER CONTACTS, 4PDT, TEST KEY, LED, 24VDC by Phoenix

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