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

988 Products showing for Signal Conditioners & Isolators

1 of 50
Endress+Hauser Signal Conditioner
  • RS Stock No. 267-9452
  • Mfr. Part No. RN22-8L1A
Each
SGD327.53(exc. GST)
PR Electronics 5115A Series Programmable Signal Conditioner, Current, RTD, Thermocouple, Voltage Input, Current,
  • RS Stock No. 827-5489
  • Mfr. Part No. 5115A
Each
SGD1,262.86(exc. GST)
PR Electronics Signal Conditioner
  • RS Stock No. 796-7020
  • Mfr. Part No. 5909
Each
SGD524.45(exc. GST)
Eaton MTL Series Signal Conditioner, RTD Input, Resistance Output, 20 → 35V dc Supply
  • RS Stock No. 144-8687
  • Mfr. Part No. MTL5582B
Each
SGD1,058.09(exc. GST)
Eaton 1 Channel Zener Barrier, Repeater power supply, Current Input, Current Output, ATEX
  • RS Stock No. 703-7056
  • Mfr. Part No. MTL5541/RS
Each
SGD1,082.09(exc. GST)
Jumo ecoTRANS Series Signal Conditioner, Conductivity, Temperature Input, Current, Voltage Output, 20 → 30V dc
  • RS Stock No. 185-340
  • Mfr. Part No. 202732/888-888-101/024
Each
SGD1,248.52(exc. GST)
Eaton 3 Channel Zener Barrier, Intrinsic Safety Barrier, RTD, Thermocouple Input, ATEX
  • RS Stock No. 612-5329
  • Mfr. Part No. MTL7756AC/RS
Each
SGD443.82(exc. GST)
SICK EN2 Series Isolating Amplifier, ATEX
  • RS Stock No. 225-0131
  • Mfr. Part No. EN2-2EX1 / 6041096
Each
SGD550.73(exc. GST)
PR Electronics Programming Display
  • RS Stock No. 238-0641
  • Mfr. Part No. 4510
Each
SGD141.44(exc. GST)
Phoenix Contact MINI MCR Series Signal Conditioner, Current, Voltage Input, Frequency Output, 20 → 30V dc Supply
  • RS Stock No. 616-8950
  • Mfr. Part No. 2864082
Each
SGD411.98(exc. GST)
Phoenix Contact 3RS7003 Series Signal Conditioner, Current, Voltage Input, Current Output, 24V dc Supply, ATEX
  • RS Stock No. 489-2881
  • Mfr. Part No. 2864176
Each
SGD695.95(exc. GST)
PR Electronics Universal f/I-f/f converter Series Frequency / Current Converter, Current, Frequency Input, Analogue,
  • RS Stock No. 236-3271
  • Mfr. Part No. 4225A
Each
SGD350.42(exc. GST)
Turck 2 Channel Galvanic Barrier, Isolating Amplifier, NAMUR Sensor, Switch Input, Relay Output, ATEX, IECEx
  • RS Stock No. 808-6510
  • Mfr. Part No. IM1-22EX-R
Each
SGD374.76(exc. GST)
JM CONCEPT ULCOS 900 Series Universal Signal Converter, Current, Voltage, Potentiometer Signal, Resistance,
  • RS Stock No. 232-8257
  • Mfr. Part No. ULCOS920D2
Each
SGD373.61(exc. GST)
GEORGIN 1 Channel Intrinsic Security Power Supply, ATEX
  • RS Stock No. 230-9447
  • Mfr. Part No. BXNT6002
1 Box of 1
SGD530.73(exc. GST)
PR Electronics 3100 Series Isolating Signal Converter, Current, Voltage Input, Current, Voltage Output, 16.8 →
  • RS Stock No. 796-7070
  • Mfr. Part No. 3104
Each
SGD316.87(exc. GST)
PR Electronics 4100 Series Universal Transmitter, Universal Input, Current, Voltage, Relay Output, 19.2 → 300 V
  • RS Stock No. 796-6884
  • Mfr. Part No. 4116
Each
SGD567.17(exc. GST)
RS PRO Signal Conditioner, Current, Voltage Input, Current, Voltage Output, 10 → 32 V ac, 10 → 48V dc
  • RS Stock No. 788-6996
Each
SGD376.99(exc. GST)
GEORGIN 2 Channel Intrinsic Security Power Supply, ATEX
  • RS Stock No. 230-9436
  • Mfr. Part No. BXMT1002
1 Box of 1
SGD763.09(exc. GST)
GEORGIN 1 Channel Intrinsic Security Power Supply, ATEX
  • RS Stock No. 230-9440
  • Mfr. Part No. BXNE0500E2
1 Box of 1
SGD374.35(exc. GST)
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