Relays & Signal Conditioning

We stock a large choice of relay products for a wide variety of applications. Within our range, you will find products such as latching and non-latching relays, solid state relays, interface relays and reed relays. All from trusted brands such as our own RS PRO brand, Omron, Finder, TE Connectivity, Panasonic, Phoenix Contact and more.

What is a Relay?

Relays are a type of switch that is operated electronically to turn on or off current within an electric circuit. Relays operate similar to a typical light switch, where power is switched on and off when the switch lever is moved, the main difference is that a relay is operated by an electrical circuit rather than manually pressed.

Relays have many different uses and are often utilised in situations where isolation is necessary or when a circuit needs to be controlled with a low-power signal. There are also specialised types of relay that are used for very high power applications, these are referred to as contactors.

Types of Relay

  • Electromechanical Relay (EMR): An electromechanical relay uses a physical moving arm, triggered by a voltage applied to the relay coil, this arm connects contacts within the output component of the relay. The movement of the arm allows an electrical circuit to be completed, allowing current to flow to the connected equipment. The physical components within the relays commonly make a "click" sound, which can be used as an audible operation indicator.
  • Solid State Relay (SSR): Solid state relays provide a similar function to an EMR but these do not contain any moving components, increasing long-term reliability. SSR's feature semiconductor switching elements, typically thyristors, triacs and diodes that transmits and energises the output signal. When activated, the input signal acts like a switch that allows a high-voltage signal to pass through the SSRs output components.
Relay Accessories
Relay Accessories
Relays
Relays

18135 Products showing for Relays & Signal Conditioning

1 of 907
In Stock
  • RS Stock No. 121-7811
Subtotal (1 unit)
Kr.115 71 (exc. VAT)
In Stock
  • RS Stock No. 369-472
  • Mfr. Part No. G5LE-14 DC12
Subtotal (1 unit)
Kr.27 91 (exc. VAT)
In Stock
  • RS Stock No. 740-1306
  • Mfr. Part No. ED06D5
Subtotal (1 unit)
Kr.272 39 (exc. VAT)
In Stock
  • RS Stock No. 188-5269
  • Mfr. Part No. RKD2A23D50C
Subtotal (1 unit)
Kr.1 275 72 (exc. VAT)
In Stock
  • RS Stock No. 119-800
Subtotal (1 unit)
Kr.381 66 (exc. VAT)
In Stock
  • RS Stock No. 859-3055
  • Mfr. Part No. RP1A23D5M1
Subtotal (1 unit)
Kr.581 19 (exc. VAT)
In Stock
  • RS Stock No. 469-4182
  • Mfr. Part No. 80.063.4032.0
Subtotal (1 unit)
Kr.74 94 (exc. VAT)
In Stock
  • RS Stock No. 245-1848
  • Mfr. Part No. 774310
Subtotal (1 unit)
Kr.3 110 79 (exc. VAT)
Temporarily out of stock
  • RS Stock No. 535-2558
  • Mfr. Part No. V23074A1002A403 3-1393292-8
Subtotal (1 unit)
Kr.64 57 (exc. VAT)
In Stock
  • RS Stock No. 909-7949
  • Mfr. Part No. 2-1393240-3
Subtotal (1 unit)
Kr.80 13 (exc. VAT)
In Stock
  • RS Stock No. 819-8940
  • Mfr. Part No. 39.51.0.024.0060
Subtotal (1 unit)
Kr.206 72 (exc. VAT)
In Stock
  • RS Stock No. 447-5688
  • Mfr. Part No. 440R-N23132
Subtotal (1 unit)
Kr.2 804 86 (exc. VAT)
In Stock
  • RS Stock No. 271-1851
  • Mfr. Part No. G2RV-ST700 12VDC
Subtotal (1 unit)
Kr.167 76 (exc. VAT)
Temporarily out of stock
  • RS Stock No. 358-7235
  • Mfr. Part No. BC7934N.81 AC/DC24V + AC230V 0.05S-16H
Subtotal (1 unit)
Kr.1 003 73 (exc. VAT)
In Stock
  • RS Stock No. 511-1133
  • Mfr. Part No. 22.22.9.012.4000
Subtotal (1 unit)
Kr.331 07 (exc. VAT)
In Stock
  • RS Stock No. 288-7074
  • Mfr. Part No. A9C32116
Subtotal (1 unit)
Kr.530 90 (exc. VAT)
In Stock
Better World
  • RS Stock No. 742-3784
  • Mfr. Part No. RSB2A080P7
Subtotal (1 unit)
Kr.141 51 (exc. VAT)
In Stock
  • RS Stock No. 245-1854
  • Mfr. Part No. 774318
Subtotal (1 unit)
Kr.3 110 79 (exc. VAT)
In Stock
  • RS Stock No. 329-7241
  • Mfr. Part No. G2R-2-SNI 24VDC (S)
Subtotal (1 unit)
Kr.116 76 (exc. VAT)
In Stock
  • RS Stock No. 240-8971
  • Mfr. Part No. 5-1415899-5
Subtotal (1 unit)
Kr.24 94 (exc. VAT)
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