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. 180-3050
Mfr. Part No.859-354
BrandWago
£19.95
Each
Units
24 V ac/dc - 24 V ac/dc SPDT 8 mA DIN Rail 5 A 250 V ac 250 V ac Cage Clamp 6 mm 91 mm 859 56 mm
RS Stock No. 180-3051
Mfr. Part No.859-390
BrandWago
£17.21
Each
Units
24 V dc - 24 V dc SPDT 12 mA DIN Rail 5 A 250 V ac 250 V ac Cage Clamp 6 mm 91 mm 859 56 mm
RS Stock No. 180-3052
Mfr. Part No.859-392
BrandWago
£26.06
Each
Units
24 V dc - 24 V dc SPDT 10 mA DIN Rail 3 A 250 V ac 250 V ac Cage Clamp 6 mm 91 mm 859 56 mm
RS Stock No. 180-3038
Mfr. Part No.788-311
BrandWago
£10.01
Each
Units
12 V dc - 12 V dc DPDT 36 mA DIN Rail 8 A 250 V ac 250 V ac Cage Clamp 15 mm 86 mm 788 54 mm
RS Stock No. 180-3040
Mfr. Part No.788-512
BrandWago
£11.65
Each
Units
24 V ac - 24 V ac DPDT 34 mA DIN Rail 8 A 250 V ac 250 V ac Cage Clamp 15 mm 86 mm 788 54 mm
RS Stock No. 180-3037
Mfr. Part No.788-304
BrandWago
£9.75
Each
Units
24 V dc - 24 V dc SPDT 19.1 mA DIN Rail 16 A 250 V ac 250 V ac Cage Clamp 15 mm 86 mm 788 54 mm
RS Stock No. 180-3041
Mfr. Part No.857-359
BrandWago
£28.47
Each
Units
230 V ac/dc 24 V ac/dc 230 V ac/dc SPDT 3.5 mA, 20 mA DIN Rail 6 A 250 V ac 250 V ac Cage Clamp 6 mm 94 mm 857 81 mm