Relay Interfaces

Relay interfaces are devices for housing relays. They're a convenient way to organise and operate relays and they can also improve relay performance.

Every relay contains contacts, which are pieces of electrically conductive material, usually metal. When a pair of contacts touch, they pass an electrical current, making the switch closed'. When the contacts separate, the switch is open' and the current stops flowing. As well as housing relays, relay interfaces can be used to operate a relay's contacts.

How do relay interfaces work?

Relay interfaces can be convenient ways to operate relays. Relays are inserted into the slot or slots in the interface and they stay snugly mounted there until they're ejected. The relay interfaces commonly contain switches that make the contacts in each relay closed (on) or open (off).

Relay interfaces can also contain protection circuits that expand the range of relay input voltage.

Types of relay interfaces

Each relay interfaces is compatible with a specific relay, or several different relays. The relays may be stacked pyramidally or slotted in side by side. Relay interfaces also differentiated by their voltages, which can be AC, DC or AC/DC.

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Part Details Brand Stock Accessory Type For Use With Voltage Series Current Rating
Accessory for interface relays CR-M
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  • RS Stock No. 192-1130
  • Brand ABB
  • Mfr. Part No. 1SVR405651R3000
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Socket Please note that the Stock level on this page is periodically updated during the day.

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2 or 4 c/o (SPDT) Contacts CR-M Relays Please note that the Stock level on this page is periodically updated during the day.

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Interface relay
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  • RS Stock No. 192-1129
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  • Mfr. Part No. 1SNA645071R0000
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Check Stock Levels Interface Relay Please note that the Stock level on this page is periodically updated during the day.

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- 24V dc Please note that the Stock level on this page is periodically updated during the day.

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Interface Relay Module for use with RT78724, RT78726, 6 → 24V ac/dc
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TE Connectivity Please note that the Stock level on this page is periodically updated during the day.

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LED Plug In Module Please note that the Stock level on this page is periodically updated during the day.

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LED/Diode module 6-24Vdc
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99 Series Please note that the Stock level on this page is periodically updated during the day.

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LED Module for use with RT78724, RT78726, 24V dc
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Module Please note that the Stock level on this page is periodically updated during the day.

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LED Module for use with RT Series, 24V dc
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Relay Interface for use with 93 Series
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Interface Relay Module, 24V dc
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PLC-BSC Please note that the Stock level on this page is periodically updated during the day.

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Relay Interface, 6A
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Relay Interface for use with 39 Series
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LED Module for use with PR1 Series, PR2 Series, 24V dc
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Plug In Module Please note that the Stock level on this page is periodically updated during the day.

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LDP- 12- 24DC Please note that the Stock level on this page is periodically updated during the day.

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Relay Interface for use with Finder 500 mm Electrodes
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Schneider Electric Please note that the Stock level on this page is periodically updated during the day.

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Relay Antenna Please note that the Stock level on this page is periodically updated during the day.

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XB4R 22 mm (Dia) Control Unit, XB5R Please note that the Stock level on this page is periodically updated during the day.

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24 → 240V ac Please note that the Stock level on this page is periodically updated during the day.

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Interface Relay Module for use with Slim Relay
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  • RS Stock No. 153-220
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  • Mfr. Part No. P2RVC-8-O-F
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Interface Module for use with G2RV-SR500-AP Slim I/O Relay
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Interface Module, 24V dc, 3A
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Interface Module for use with G2RV-SR700-AP Slim I/O Relay
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Interface Relay Module, 32V dc, 5A
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