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

1015 Products showing for Signal Conditioners & Isolators

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1 of 51
In Stock
RS PRO Analogue Converter, Current, Voltage Input, Current, Voltage Output, 24V ac/dc Supply
  • RS Stock No. 606-326
Subtotal (1 unit)
$339.71(exc. GST)
$339.71/unit
In Stock
RS PRO Signal Conditioner, Voltage Input, Voltage Output, 24V dc Supply
  • RS Stock No. 466-2236
Subtotal (1 unit)
$215.82(exc. GST)
$215.82/unit
In Stock
RS PRO Signal Conditioner, Current Input, Current Output, Groups A, C, B, D, Class I, Division 2
  • RS Stock No. 794-8577
Subtotal (1 unit)
$141.56(exc. GST)
$141.56/unit
In Stock
RS PRO Signal Conditioner, Voltage Input, Current/Voltage Output, 24V ac/dc Supply
  • RS Stock No. 192-3398
Subtotal (1 unit)
$329.84(exc. GST)
$329.84/unit
In Stock
Phoenix Contact MINI MCR Series Signal Conditioner, Voltage Input, Current/Voltage Output, 30V dc, 9.6 V dc Supply, ATEX
  • RS Stock No. 134-8691
  • Mfr. Part No. 2902064
Subtotal (1 unit)
$259.27(exc. GST)
$259.27/unit
In Stock
RS PRO Signal Conditioner, Current Input, Current Output, Groups A, C, B, Div 2, D, Class I
  • RS Stock No. 794-8580
Subtotal (1 unit)
$351.33(exc. GST)
$351.33/unit
In Stock
PR Electronics Programming Display, Current Output, 20V, 6.5 V Supply
  • RS Stock No. 238-0641
  • Mfr. Part No. 4510
Subtotal (1 unit)
$199.33(exc. GST)
$199.33/unit
In Stock
RS PRO Signal Conditioner, Voltage Input, Voltage Output, 24V ac/dc Supply
  • RS Stock No. 192-3392
Subtotal (1 unit)
$316.59(exc. GST)
$316.59/unit
In Stock
RS PRO Signal Conditioner, Current Input, Current/Voltage Output, 24V ac/dc Supply
  • RS Stock No. 192-3395
Subtotal (1 unit)
$368.60(exc. GST)
$368.60/unit
In Stock
Pepperl + Fuchs 2 Channel Zener Barrier, ATEX
  • RS Stock No. 793-4288
  • Mfr. Part No. Z778
Subtotal (1 unit)
$333.25(exc. GST)
$333.25/unit
In Stock
Phoenix Contact MINI MCR Series Signal Conditioner, Resistance Input, Current/Voltage Output, 30V dc, 9.6 V dc Supply,
  • RS Stock No. 849-6399
  • Mfr. Part No. 2902017
Subtotal (1 unit)
$392.20(exc. GST)
$392.20/unit
In Stock
RS PRO Signal Conditioner, Current/Voltage Input, Current/Voltage Output, 24V ac/dc Supply
  • RS Stock No. 192-3396
Subtotal (1 unit)
$491.17(exc. GST)
$491.17/unit
In Stock
Phoenix Contact MACX MCR Series Signal Conditioner, Voltage Input, Current/Voltage Output, 24V dc Supply, ATEX
  • RS Stock No. 191-4368
  • Mfr. Part No. 2902019
Subtotal (1 unit)
$333.64(exc. GST)
$333.64/unit
In Stock
Weidmüller ACT20X Series Signal Conditioner, Current/Voltage Input, Current/Voltage Output, 24V dc Supply
  • RS Stock No. 508-4126
  • Mfr. Part No. 8594810000
Subtotal (1 unit)
$399.94(exc. GST)
$399.94/unit
In Stock
Phoenix Contact MINI MCR-2-CVCS-PT Series Constant Voltage Source Signal Conditioner, Voltage Input, Voltage, Current
  • RS Stock No. 890-3884
  • Mfr. Part No. 2902065
Subtotal (1 unit)
$240.52(exc. GST)
$240.52/unit
In Stock
Phoenix Contact MINI MCR Series Signal Conditioner, Voltage Input, Voltage Output, 30V dc, 9.6 V dc Supply, ATEX
  • RS Stock No. 175-0489
  • Mfr. Part No. 1033201
Subtotal (1 unit)
$155.14(exc. GST)
$155.14/unit
In Stock
Phoenix Contact 3RS70 Series Signal Conditioner, Voltage Input, Current Output, 24V Supply, ATEX
  • RS Stock No. 622-3209
  • Mfr. Part No. 2813525
Subtotal (1 unit)
$412.26(exc. GST)
$412.26/unit
In Stock
Phoenix Contact MINI MCR Series Signal Conditioner, Current Input, Voltage Output, 30V dc, 9.6 V dc Supply, UL, D T6,
  • RS Stock No. 849-6383
  • Mfr. Part No. 2902003
Subtotal (1 unit)
$280.89(exc. GST)
$280.89/unit
In Stock
Siemens 3RS7000 Series Signal Conditioner, Voltage Input, Current Output, 24V ac/dc Supply
  • RS Stock No. 134-8030
  • Mfr. Part No. 3RS7000-2DE00
Subtotal (1 unit)
$272.78(exc. GST)
$272.78/unit
In Stock
Phoenix Contact MINI MCR Series Signal Conditioner, Voltage Input, Current Output, 30V dc, 9.6 V dc Supply, ATEX, IECEx
  • RS Stock No. 849-6339
  • Mfr. Part No. 2902029
Subtotal (1 unit)
$344.14(exc. GST)
$344.14/unit
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