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. 386-4419
Mfr. Part No.38.51.7.024.0050
BrandFinder
$36.92
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Screw 6.2mm 75.6mm 38 Series 87.9mm
RS Stock No. 711-4787
Mfr. Part No.19.91.9.012.4000
BrandFinder
$54.52
Each
units
12V dc - - SPDT 16 A DIN Rail - - - Screw 17.5mm 60.8mm 19 Series 88.8mm
RS Stock No. 159-458
Mfr. Part No.86.30.0.024.0000
BrandFinder
$63.09
Each
units
24V ac/dc - - - - Plug In - - - - 11.3mm 15.5mm 86 Series 31mm
RS Stock No. 386-4425
Mfr. Part No.38.51.0.024.0060
BrandFinder
$52.31
Each
units
24V ac/dc - - SPDT 6 A DIN Rail - - - Screw 6.2mm 75.6mm 38 Series 87.9mm
RS Stock No. 623-9658
Mfr. Part No.99.02.8.230.07
BrandFinder
$7.54
Each
units
230V ac - - - - Plug In - - - - - - 99 Series -
RS Stock No. 613-7237
Mfr. Part No.4C52 90120050
BrandFinder
$30.75
Each
units
12V dc - - DPDT 8 A DIN Rail - - - Cage Clamp 15.8mm 61.7mm 4C Series 95.6mm
RS Stock No. 623-9664
Mfr. Part No.99.02.3.000.00
BrandFinder
$6.20
Each (In a Pack of 2)
units
230V dc - - - - Plug In - - - - - - 99 Series -
RS Stock No. 623-7157
Mfr. Part No.48.52.7.024.0050SPA
BrandFinder
$43.12
Each
units
24V dc - - DPDT 8 A DIN Rail - - - Screw 15.8mm 75.3mm 48 Series 78.6mm
RS Stock No. 292-8130
Mfr. Part No.99.01.0.024.59
BrandFinder
$8.98
Each
units
24V ac/dc - - - - Plug In - - - - - - 99 Series -
RS Stock No. 623-7163
Mfr. Part No.48.52.8.024.0060SPA
BrandFinder
$38.66
Each
units
24V ac - - DPDT 8 A DIN Rail - - - Screw 15.8mm 75.3mm 48 Series 78.6mm
RS Stock No. 292-8089
Mfr. Part No.99.01.3.000.00
BrandFinder
$5.08
Each
units
230V dc - - - - Plug In - - - - - - 99 Series -
RS Stock No. 623-9670
Mfr. Part No.99.02.0.024.98
BrandFinder
$10.91
Each
units
24V ac/dc - - - - Plug In - - - - - - 99 Series -
RS Stock No. 292-8095
Mfr. Part No.99.01.9.024.99
BrandFinder
$12.08
Each
units
24V dc - - - - Plug In - - - - - - 99 Series -
RS Stock No. 533-7644
Mfr. Part No.38.81.7.006.9024
BrandFinder
$61.55
Each
units
6V dc - - SPNO 6 A DIN Rail - - - Screw 6.2mm 75.6mm 38 Series 87.9mm
RS Stock No. 819-8855
Mfr. Part No.39.61.0.012.0060
BrandFinder
$35.78
Each
units
12V ac/dc - - SPDT 6 A DIN Rail - - - Push In 6.2mm 90.7mm 39 Series 94.3mm
RS Stock No. 123-2813
Mfr. Part No.48.P5.8.024.0060SPA
BrandFinder
$35.10
Each
units
24V ac - - DPDT-2C/0 8 A DIN Rail - - - Push In 15.8mm 75.3mm 48 Series 95.5mm
RS Stock No. 431-7475
Mfr. Part No.38.61.0.024.0060
BrandFinder
$44.36
Each
units
24V ac/dc - - SPDT 6 A DIN Rail - - - Cage Clamp 6.2mm 76mm 38 Series 93.6mm
RS Stock No. 819-8865
Mfr. Part No.39.61.3.125.0060
BrandFinder
$49.41
Each
units
110V ac - - SPDT 6 A DIN Rail - - - Push In 6.2mm 90.7mm 39 Series 94.3mm
RS Stock No. 819-8852
Mfr. Part No.39.61.0.006.0060
BrandFinder
$41.06
Each
units
6V ac/dc - - SPDT 6 A DIN Rail - - - Push In 6.2mm 90.7mm 39 Series 94.3mm
RS Stock No. 431-7469
Mfr. Part No.38.61.7.024.0050
BrandFinder
$38.17
Each
units
24V dc - - SPDT 6 A DIN Rail - - - Cage Clamp 6.2mm 76mm 38 Series 93.6mm