Signal Conditioners & Isolators

We offer three types of control relays from a range of brands including Phoenix Contact, ABB, Siemens and Omron.

If you're looking to control temperature, voltage, current or frequency, you'll find the products within monitoring relays. For all of your signal conditioning and conversion requirements, visit our signal conditioning range.

What is a control relay?

A control relay is basically an electrically operated switch.

How does a control relay work?

They work by opening and closing a switch to allow power to flow through a coil to conduct electricity. The coil does not actually come into contact with the switch during this process.

What types of control relays are available?

The three types of control relay are as follows:

  • Impulse relay - a type of latching relay that transfers the contacts with each pulse.
  • Monitoring relay - a protective control device for monitoring and receiving input signals, and outputting an alarm signal if a threshold is reached.
  • Signal conditioning - a device that converts one type of electronic signal into another type of signal.

What are the uses of a control relay panel?

Control relay panels are used for the control and monitoring of electrical equipment such as transformers, generators and circuit breakers in industrial systems and environments.

What is the function of an undervoltage control relay?

A relay will trip the breaker circuit if it detects an abnormality. An undervoltage (UV) relay will activate if the voltage is lower than a prescribed value, and stay like that until it reaches the necessary voltage.

Signal Conditioners
Signal Conditioners
Zener & Galvanic Barriers
Zener & Galvanic Barriers

952 Products showing for Signal Conditioners & Isolators

10 of 48
Temporarily out of stock
Eaton MTL Series Signal Conditioner, Current/Voltage Input, Current/Voltage Output, 18/32 V dc Supply
  • RS Stock No. 144-8693
  • Mfr. Part No. MTL1211
Subtotal (1 unit)
PHP13,521.87(exc. VAT)
Temporarily out of stock
RS PRO Relay, Current/Voltage Input, 12 V Supply
  • RS Stock No. 325-332
Subtotal (1 unit)
PHP55.86(exc. VAT)
Temporarily out of stock
GEORGIN Intrinsic Security Power Supply, IECEx/ATEX
  • RS Stock No. 230-9451
  • Mfr. Part No. BXNTI600E
Subtotal (1 box of 1 unit)
PHP29,677.15(exc. VAT)
Temporarily out of stock
RS PRO Relay, Current/Voltage Input, 5 V Supply
  • RS Stock No. 325-331
Subtotal (1 unit)
PHP55.86(exc. VAT)
In Stock
PR Electronics 2 Channel Galvanic Barrier, Analogue
  • RS Stock No. 796-6910
  • Mfr. Part No. 5104AB
Subtotal (1 unit)
PHP39,528.77(exc. VAT)
In Stock
Pepperl + Fuchs S1SD Series Signal Conditioner, Voltage Input, Current/Voltage Output, 16.8/31.2 V dc Supply, IECEx/ATEX
  • RS Stock No. 134-8133
  • Mfr. Part No. S1SD-1AI-1U.3
Subtotal (1 unit)
PHP22,080.97(exc. VAT)
Currently unavailable
PR Electronics 1 Channel Galvanic Barrier, ATEX
  • RS Stock No. 796-7004
  • Mfr. Part No. 5104BA
Subtotal (1 unit)
PHP28,273.00(exc. VAT)
Temporarily out of stock
Eaton MTL Series Signal Conditioner, Current/Voltage Input, Current Output, 20/35 V dc Supply, IECEx, ATEX
  • RS Stock No. 144-8686
  • Mfr. Part No. MTL5549Y
Subtotal (1 unit)
PHP56,033.82(exc. VAT)
Temporarily out of stock
GEORGIN 2 Channel Intrinsic Security Relay, Voltage Free Switch or 2 Wires Proximity Sensor, IECEx LCI 09.0013X, ATEX
  • RS Stock No. 230-9477
  • Mfr. Part No. RDN210000
Subtotal (1 box of 1 unit)
PHP19,525.89(exc. VAT)
Temporarily out of stock
GEORGIN 2 Channel Intrinsic Security Relay, Voltage Free Switch or 2 Wires Proximity Sensor, IECEx LCI 09.0013X, ATEX
  • RS Stock No. 230-9478
  • Mfr. Part No. RDN210002
Subtotal (1 box of 1 unit)
PHP19,525.89(exc. VAT)
Temporarily out of stock
Turck FCS Series Signal Conditioner, 30 V Supply
  • RS Stock No. 204-7100
  • Mfr. Part No. FM-IM-3UP63X
Subtotal (1 unit)
PHP31,340.07(exc. VAT)
Temporarily out of stock
ifm electronic DP1 Series Converter, Digital Input, Analogue Current Output, 24 V DC Supply
  • RS Stock No. 723-293
  • Mfr. Part No. DP1213
Subtotal (1 unit)
PHP12,311.37(exc. VAT)
In Stock
Pepperl + Fuchs S1SD Series Signal Conditioner, Current/Voltage Input, Current/Voltage Output, 16.8/31.2 V dc Supply,
  • RS Stock No. 134-8132
  • Mfr. Part No. S1SD-1AI-1U.2
Subtotal (1 unit)
PHP20,213.84(exc. VAT)
In Stock
GEORGIN 2 Channel Intrinsic Security Relay, Voltage Free Switch or 2 Wires Proximity Sensor, ATEX, IECEx LCI 09.0013X
  • RS Stock No. 230-9479
  • Mfr. Part No. RDN211000
Subtotal (1 box of 1 unit)
PHP18,914.21(exc. VAT)
In Stock
PR Electronics 2 Channel Galvanic Barrier, Pulse, ATEX
  • RS Stock No. 136-8697
  • Mfr. Part No. 5202B1
Subtotal (1 unit)
PHP17,522.02(exc. VAT)
Temporarily out of stock
GEORGIN 1 Channel Double Zener Barrier, ATEX
  • RS Stock No. 230-9462
  • Mfr. Part No. BZG789PLUS
Subtotal (1 box of 1 unit)
PHP14,607.16(exc. VAT)
Temporarily out of stock
RS PRO Relay, Current/Voltage Input, 24 V Supply
  • RS Stock No. 325-333
Subtotal (1 unit)
PHP55.86(exc. VAT)
Temporarily out of stock
Siemens 3RS7006 Series Signal Conditioner, Current/Voltage Input, Current/Voltage Output, 24/240 V ac/dc Supply
  • RS Stock No. 134-8055
  • Mfr. Part No. 3RS7006-2FW00
Subtotal (1 unit)
PHP38,330.50(exc. VAT)
Temporarily out of stock
Siemens 3RS7006 Series Signal Conditioner, Current/Voltage Input, Current/Voltage Output, 24/240 V ac/dc Supply
  • RS Stock No. 134-8053
  • Mfr. Part No. 3RS7006-1FW00
Subtotal (1 unit)
PHP38,330.50(exc. VAT)
In Stock
GEORGIN GN 21000 Series Repeater, Analogue Output, 24 V dc Supply
  • RS Stock No. 230-9468
  • Mfr. Part No. GN21000S
Subtotal (1 box of 1 unit)
PHP17,726.04(exc. VAT)
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