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. 154-362
Mfr. Part No.4C.02.9.024.0050SPA
BrandFinder
$68.39
Each
units
24V dc - - DPDT - DIN Rail - - - Screw 15.8mm 64.6mm 4C Series 82.9mm
RS Stock No. 358-8317
Mfr. Part No.2966265
$50.72
Each
units
24V dc - 24V dc SPDT - DIN Rail - - - Screw 80mm 6.2mm PLC-RSC- 24DC/21AU 94mm
RS Stock No. 666-8069
Mfr. Part No.99.01.0.230.09
BrandFinder
$10.55
Each
units
230V ac/dc - - - - Plug In - - - - - - 99 Series -
RS Stock No. 446-1077
Mfr. Part No.5903584
$505.11
Each
units
24V dc - 24V dc DPDT - DIN Rail - - - Screw - - VARIOFACE/F-SO4751 -
RS Stock No. 892-8965
Mfr. Part No.1176070000
$475.56
Each
units
12V - - - - DIN Rail - - - Screw 6.1mm 114.3mm ACT20M 112.5mm
RS Stock No. 742-3762
Mfr. Part No.RSB2A080B7
$19.98
Each
units
24V ac - - DPDT - PCB Mount - - - Through Hole - - RSB -
RS Stock No. 892-8808
Mfr. Part No.1123490000
$40.86
Each
units
24V - - DPDT - DIN Rail - - - Screw 90mm 12.8mm TRS 88mm
RS Stock No. 794-8274
Mfr. Part No.G3NA220BUTUDC524
BrandOmron
$122.22
Each
units
24V dc - - SP - DIN Rail - - - Screw 58mm 43mm G3NA 30mm
RS Stock No. 892-8827
Mfr. Part No.1126940000
$49.56
Each
units
24V - - SPDT - DIN Rail - - - Screw 90mm 6.4mm TOS 88mm
RS Stock No. 711-2642
Mfr. Part No.2900301
$43.76
Each
units
48V dc - 48V dc SPDT - DIN Rail - - - Surface Mount 94mm 6.2mm PLC-RPT- 48DC/21 80mm
RS Stock No. 794-8277
Mfr. Part No.G3NA210BUTUDC524
BrandOmron
$41.56
Each
units
24V dc - - SP - DIN Rail - - - Screw 58mm 43mm G3NA 30mm
RS Stock No. 494-0609
Mfr. Part No.RT4S4LC4 1-1415073-1
$19.20
Each
units
24V dc - - DPDT - DIN Rail - - - Screw 77mm 15.8mm RT 69mm
RS Stock No. 794-8268
Mfr. Part No.G3PE215BDC1224
BrandOmron
$100.14
Each
units
24V dc - - - - DIN Rail - - - Screw 22.5mm 130mm G3PE 100mm
RS Stock No. 457-2789
Mfr. Part No.48.31.7.024.0050SPA
BrandFinder
$32.76
Each
units
24V dc - - SPDT - DIN Rail - - - Screw - - 48 Series -
RS Stock No. 892-8959
Mfr. Part No.1176010000
$430.96
Each
units
0 → 10V - - - - DIN Rail - - - Screw 6.1mm 114.3mm ACT20M 112.5mm
RS Stock No. 742-7398
Mfr. Part No.2964296
$76.66
Each
units
- - - - - - - - - - - - - -
RS Stock No. 813-4996
Mfr. Part No.RV8H-L-AD220
BrandIdec
$32.70
Each
units
230V ac/dc - - SPDT - DIN Rail - - - Screw 88mm 6.1mm RV8H 74.2mm
RS Stock No. 195-4830
Mfr. Part No.2900445
$9.20
Each
units
- - 24V dc SPDT - DIN Rail - - - Push In 80mm 6.2mm PLC-BPT- 24DC/21 94mm
RS Stock No. 431-7497
Mfr. Part No.38.61.0.240.0060
BrandFinder
$52.13
Each
units
230V ac/dc - - SPDT - DIN Rail - - - Cage Clamp 6.2mm 76mm 38 Series 93.6mm
RS Stock No. 892-8846
Mfr. Part No.1122880000
$35.89
Each
units
24V - - SPDT - DIN Rail - - - Spring Clamp 90mm 6.4mm TRZ 88mm