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
Signal Conditioners & Isolators
Signal Conditioners & Isolators

18088 Products showing for Relays & Signal Conditioning

1 of 905
In Stock
RS PRO Plug In Power Relay, 24V dc Coil, 10A Switching Current, DPDT
  • RS Stock No. 121-7811
Each
Kr. 115,71(exc. VAT)
In Stock
Omron PCB Mount Power Relay, 12V dc Coil, 10A Switching Current, SPDT
  • RS Stock No. 369-472
  • Mfr. Part No. G5LE-14 DC12
Each
Kr. 27,91(exc. VAT)
In Stock
Carlo Gavazzi RK Series Solid State Relay, 50 A Load, Chassis Mount, 265 V ac Load, 32 V dc Control
  • RS Stock No. 188-5269
  • Mfr. Part No. RKD2A23D50C
Each
Kr. 1 275,72(exc. VAT)
In Stock
Sensata Crydom ED Series Solid State Relay, 5 A Load, DIN Rail Mount, 48 V dc Load, 15 V dc Control
  • RS Stock No. 740-1306
  • Mfr. Part No. ED06D5
Each
Kr. 272,39(exc. VAT)
In Stock
RS PRO DIN Rail Mount Timer Relay, 230 V ac, 24V ac/dc, 3-Contact, 0.1 → 99min, 2-Function, SPDT
  • RS Stock No. 119-800
Each
Kr. 381,66(exc. VAT)
Temporarily out of stock
TE Connectivity Plug In Automotive Relay, 24V dc Coil Voltage, 30A Switching Current, SPDT
  • RS Stock No. 535-2558
  • Mfr. Part No. V23074A1002A403 3-1393292-8
Each
Kr. 64,57(exc. VAT)
In Stock
Wieland DIN Rail Power Relay, 24V dc Coil, 6A Switching Current, SPDT
  • RS Stock No. 469-4182
  • Mfr. Part No. 80.063.4032.0
Each
Kr. 74,94(exc. VAT)
In Stock
Pilz PNOZ X PNOZ X3 1 Auxiliary Contacts Safety Relay 24V ac/dc, Dual-Channel 3 Safety Contacts
  • RS Stock No. 245-1848
  • Mfr. Part No. 774310
Each
Kr. 3 110,79(exc. VAT)
In Stock
TE Connectivity PCB Mount Power Relay, 12V dc Coil, 16A Switching Current, SPST
  • RS Stock No. 909-7949
  • Mfr. Part No. 2-1393240-3
Each
Kr. 80,13(exc. VAT)
In Stock
Finder 39 Series Interface Relay Module, DIN Rail Mount, 24V ac/dc Coil, SPST, 1-Pole, 6/10A Load
  • RS Stock No. 819-8940
  • Mfr. Part No. 39.51.0.024.0060
Each
Kr. 206,72(exc. VAT)
In Stock
Allen Bradley 440R / MSR127TP 1 Auxiliary Contacts Safety Relay 24V ac/dc, Single Channel 3 Safety Contacts
  • RS Stock No. 447-5688
  • Mfr. Part No. 440R-N23132
Each
Kr. 2 804,86(exc. VAT)
In Stock
Omron G2RV-ST Series Electromechanical Interface Relay, DIN Rail Mount, 12V dc Coil, SPDT, 1-Pole, 6A Load
  • RS Stock No. 271-1851
  • Mfr. Part No. G2RV-ST700 12VDC
Each
Kr. 167,76(exc. VAT)
In Stock
Schneider Electric DIN Rail Impulse Relay, 12V dc Coil, 16A Switching Current, SPDT, SPST
  • RS Stock No. 288-7074
  • Mfr. Part No. A9C32116
Each
Kr. 530,90(exc. VAT)
In Stock
Better World
Schneider Electric PCB Mount Power Relay, 230V ac Coil, 8A Switching Current, DPDT
  • RS Stock No. 742-3784
  • Mfr. Part No. RSB2A080P7
Each
Kr. 141,51(exc. VAT)
Temporarily out of stock
PR Electronics Universal f/I-f/f converter Series Frequency/Current Converter, Current, Frequency Input, Analogue
  • RS Stock No. 236-3276
  • Mfr. Part No. 4225C
Each
Kr. 3 431,66(exc. VAT)
Temporarily out of stock
Continuous Single Time Delay Relay, Screw, 0.05 → 15 s, 0.2 → 15 min, 0.2 → 16 h, SPDT, 1 Contacts
  • RS Stock No. 358-7235
  • Mfr. Part No. BC7934N.81 AC/DC24V + AC230V 0.05S-16H
Each
Kr. 1 003,73(exc. VAT)
In Stock
Omron Plug In Power Relay, 24V dc Coil, 5A Switching Current, DPDT
  • RS Stock No. 329-7241
  • Mfr. Part No. G2R-2-SNI 24VDC (S)
Each
Kr. 116,76(exc. VAT)
In Stock
Omron PCB Mount Power Relay, 12V dc Coil, 8A Switching Current, SPST
  • RS Stock No. 237-5384
  • Mfr. Part No. G6RN-1A DC12
Each
Kr. 36,38(exc. VAT)
Limited stock
Better World
Schneider Electric Plug In Power Relay, 24V dc Coil, 8A Switching Current, 4PDT
  • RS Stock No. 884-1313
  • Mfr. Part No. RXM4AB2BD
Each
Kr. 128,24(exc. VAT)
In Stock
Pilz PNOZ X PNOZ X3 1 Auxiliary Contacts Safety Relay 24 V dc, 230V ac, Dual-Channel 3 Safety Contacts
  • RS Stock No. 245-1854
  • Mfr. Part No. 774318
Each
Kr. 3 110,79(exc. VAT)
1
2
3
905
Results per page

Related links