Interface Relay Modules

Interface relay modules are special types of electrical relays that guarantee safe and reliable transmission of digital signals, crucial to the functioning of automated systems. They're used with components that are isolated from each other and, due to differences in their electric potential or voltage, cannot allow for a direct connection.

How do interface relay modules work?

Interface relay modules are provided with galvanic isolation (amplifying and isolating signals) between the receiving and final controlling systems of the relay. This helps to protect the signals from any interference. They guarantee electrical and information compatibility and also implement the required algorithms for the interaction of functional components of special control instruments.

Although general-purpose relays also have some level of isolation of the output circuits from the input circuits, this function is only secondary and not decisive. In interface relay modules, the property of galvanic isolation is decisive and has been repeatedly intensified.

What are interface relay modules used for?

Interface relay modules are used to control and protect against emergency conditions in modern power, large radio-electronic, electro physical and X-ray installations.


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Description Price Coil Voltage Minimum Input Voltage Maximum Input Voltage Contact Configuration Switching Current Mounting Type Load Current Rating Switching Voltage Load Voltage Rating Terminal Type Length Depth Series Height
RS Stock No. 137-0319
Mfr. Part No.52103
HK$288.35
Each
units
24V dc - - 2CO (SPDT) 6 A DIN Rail - - - Screw 12.4mm 70mm - 91mm
RS Stock No. 137-0306
Mfr. Part No.3000-12003-3220010
HK$98.01
Each
units
24V dc - - - 5 A DIN Rail - - - - - - - -
RS Stock No. 137-0308
Mfr. Part No.51100
HK$200.72
Each
units
24V dc - - SPST 8 A DIN Rail - - - - 12mm 68mm - 82mm
RS Stock No. 137-0313
Mfr. Part No.6652005
HK$165.12
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Spring 6.2mm 70mm - 91mm
RS Stock No. 137-0311
Mfr. Part No.6652102
HK$261.44
Each
units
24V dc - - 2CO (SPDT) 6 A DIN Rail - - - Spring 12.4mm 65mm - 90mm
RS Stock No. 137-0305
Mfr. Part No.52102
HK$261.44
Each
units
24V dc - - 2CO (SPDT) 6 A DIN Rail - - - Screw 12.4mm 70mm - 91mm
RS Stock No. 137-0307
Mfr. Part No.52002
HK$135.30
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Screw 6.2mm 70mm - 78mm
RS Stock No. 137-0297
Mfr. Part No.51120
HK$184.98
Each
units
24V dc - - SPDT 6 A DIN Rail - - - - 12mm 68mm - 82mm
RS Stock No. 137-0314
Mfr. Part No.6652003
HK$183.46
Each
units
24V ac/dc - - SPDT 6 A DIN Rail - - - Spring 6.2mm 70mm - 91mm
RS Stock No. 137-0317
Mfr. Part No.51515
HK$191.55
Each
units
230V ac - - SPST 5 A DIN Rail - - - Screw 12mm 65mm - 56mm
RS Stock No. 137-0310
Mfr. Part No.6652002
HK$135.30
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Spring 6.2mm 70mm - 78mm
RS Stock No. 137-0303
Mfr. Part No.51851
HK$210.98
Each
units
24V dc - - SPST 5 A DIN Rail - - - Screw 12mm 65mm - 56mm
RS Stock No. 137-0318
Mfr. Part No.52040
HK$203.50
Each
units
230V ac - - SPDT 6 A DIN Rail - - - Screw 6.2mm 70mm - 91mm
RS Stock No. 137-0312
Mfr. Part No.51125
HK$217.26
Each
units
24V dc - - SPDT 8 A DIN Rail - - - - 12mm 68mm - 82mm
RS Stock No. 137-0309
Mfr. Part No.6652001
HK$158.84
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Spring 6.2mm 70mm - 91mm
RS Stock No. 137-0298
Mfr. Part No.3000-16013-3100020
HK$131.93
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Spring 6.2mm 75.6mm - 93mm
RS Stock No. 137-0304
Mfr. Part No.52001
HK$158.84
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Screw 6.2mm 70mm - 91mm
RS Stock No. 137-0296
Mfr. Part No.52000
HK$139.29
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Screw 6.2mm 70mm - 91mm
RS Stock No. 137-0302
Mfr. Part No.51551
HK$180.57
Each
units
24V dc - - SPST 5 A DIN Rail - - - Screw 12mm 65mm - 56mm
RS Stock No. 137-0299
Mfr. Part No.6652000
HK$139.29
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Spring 6.2mm 70mm - 91mm