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. 494-0609
Mfr. Part No.RT4S4LC4 1-1415073-1
$15.33
Each
units
24V dc - - DPDT 8 A DIN Rail - - - Screw 77mm 15.8mm RT 69mm
RS Stock No. 680-3600
Mfr. Part No.MTMZ0W00
$152.47
Each
units
- - - - - - - - - - - - MT -
RS Stock No. 494-0621
Mfr. Part No.RT4S4T30 3-1415073-1
$26.10
Each
units
230V ac - - DPDT 8 A DIN Rail - - - Screw 77mm 15.8mm RT 69mm
RS Stock No. 616-8663
Mfr. Part No.RT3S4S15 5-1415528-1
$25.87
Each
units
110V ac - - SPDT 16 A DIN Rail - - - Screw 77mm 15.8mm RT 69mm
RS Stock No. 511-4081
Mfr. Part No.ST4P3SM5 3-1416100-8
$54.61
Each
units
110V ac/dc - - SPDT 6 A DIN Rail - - - Screw 80mm 6.2mm SNR 94mm
RS Stock No. 616-8679
Mfr. Part No.RT4S4R24 2-1415073-1
$21.60
Each
units
24V ac - - DPDT 8 A DIN Rail - - - Screw 77mm 15.8mm RT 69mm
RS Stock No. 511-4053
Mfr. Part No.ST4P2LC4 3-1416100-5
$45.54
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Screw 80mm 6.2mm SNR 94mm
RS Stock No. 511-4104
Mfr. Part No.ST4P3TP0 3-1416100-9
$60.25
Each
units
230V ac/dc - - SPDT 6 A DIN Rail - - - Screw 80mm 6.2mm SNR 94mm
RS Stock No. 616-8685
Mfr. Part No.RT4S4S15 8-1415532-1
$17.69
Each
units
110V ac - - DPDT 8 A DIN Rail - - - Screw 77mm 15.8mm RT 69mm
RS Stock No. 164-0149
Mfr. Part No.MTMZ0W00
$150.82
Each (In a Box of 5)
units
- - - - - - - - - - - - MT -
RS Stock No. 494-0542
Mfr. Part No.RT3S4T30 6-1415073-1
$26.00
Each
units
230V ac - - SPDT 16 A DIN Rail - - - Screw 77mm 15.8mm RT 69mm
RS Stock No. 511-4075
Mfr. Part No.ST4P3LC4 3-1416100-7
$48.81
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Screw 80mm 6.2mm SNR 94mm
RS Stock No. 616-8657
Mfr. Part No.RT3S4R24 5-1415073-1
$22.83
Each
units
24V ac - - SPDT 16 A DIN Rail - - - Screw 77mm 15.8mm RT 69mm
RS Stock No. 494-0520
Mfr. Part No.RT3S4LC4 4-1415073-1
$22.16
Each
units
24V dc - - SPDT 16 A DIN Rail - - - Screw 77mm 15.8mm RT 69mm
RS Stock No. 329-9893
Mfr. Part No.MTMT00A0 7-1393163-6
$6.81
Each
units
- - - - - - - - - - - - MT -
RS Stock No. 511-4069
Mfr. Part No.ST4P3LB2 3-1416100-6
$30.48
Each
units
12V dc - - SPDT 6 A DIN Rail - - - Screw 80mm 6.2mm SNR 94mm
RS Stock No. 494-0558
Mfr. Part No.RT3S5LC4 7-1415073-1
$25.33
Each
units
24V dc - - SPDT 16 A DIN Rail - - - Screw 77mm 15.8mm RT 69mm
RS Stock No. 329-9922
Mfr. Part No.MTMF0W00
$186.03
Each
units
- - - - - Plug In - - - - - - MT -
RS Stock No. 494-0788
Mfr. Part No.PTMT00A0 9-1415036-1
$3.78
Each
units
- - - - - - - - - - - - PT -