Relays & Signal Conditioning

At RS, we stock a large choice of relay switch 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 our relay switch products are from trusted electrical relay suppliers 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 operate electronically to turn AC or DC currents on or off within an electrical circuit. Relays operate similar to a typical light switch, where power is switched on and off when the switch lever is moved, but the main difference lies in how 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 switches 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 AC or DC 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' feature semiconductor switching elements; typically thyristors, triacs and diodes that transmit and energise 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.

Shop relays, relay accessories, and signal conditioners isolators at RS today.

17808 표시되는 제품 Relays & Signal Conditioning

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재고있음
  • RS 제품 번호 511-7018
  • 제조사 부품 번호 PT78740 4-1415033-1
Subtotal (1 unit)
₩59.50
₩59.50/unit
재고있음
  • RS 제품 번호 232-8222
  • 제조사 부품 번호 JK0030A1
Subtotal (1 unit)
₩1,742.20
₩1,742.20/unit
재고있음
  • RS 제품 번호 266-2972
  • 제조사 부품 번호 G2R-1-SNI 24VAC (S)
Subtotal (1 unit)
₩93.40
₩93.40/unit
재고있음
  • RS 제품 번호 265-789
  • 제조사 부품 번호 700-FSB6UU23
Subtotal (1 unit)
₩938.40
₩938.40/unit
재고있음
  • RS 제품 번호 776-1642
  • 제조사 부품 번호 95.85.3SMA
Subtotal (1 unit)
₩64.20
₩64.20/unit
재고있음
  • RS 제품 번호 189-4109
  • 제조사 부품 번호 RT314024 9-1393239-8
Subtotal (1 unit)
₩23.40
₩23.40/unit
재고있음
  • RS 제품 번호 102-456
  • 제조사 부품 번호 50.12.9.024.1000
Subtotal (1 unit)
₩131.30
₩131.30/unit
재고있음
  • RS 제품 번호 511-1149
  • 제조사 부품 번호 22.22.9.024.4000
Subtotal (1 unit)
₩319.10
₩319.10/unit
재고있음
  • RS 제품 번호 353-663
  • 제조사 부품 번호 PF113A-E
Subtotal (1 unit)
₩67.70
₩67.70/unit
제조사가 재고 비축중
  • RS 제품 번호 842-3779
  • 제조사 부품 번호 C5-A30X/024VDC
Subtotal (1 unit)
₩699.40
₩699.40/unit
재고있음
  • RS 제품 번호 857-7426
  • 제조사 부품 번호 DPC01DM48
Subtotal (1 unit)
₩1,824.15
₩1,824.15/unit
재고있음
  • RS 제품 번호 896-6844
Subtotal (1 unit)
₩659.80
₩659.80/unit
재고있음
  • RS 제품 번호 146-480
  • 제조사 부품 번호 RM35TF30
Subtotal (1 unit)
₩2,476.40
₩2,476.40/unit
재고있음
  • RS 제품 번호 554-778
  • 제조사 부품 번호 SIS 422 24VDC
Subtotal (1 unit)
₩295.90
₩295.90/unit
단종되는 중
  • RS 제품 번호 218-6327P
  • 제조사 부품 번호 PVT412S-TPBF
Subtotal 5 units (supplied on a continuous strip)
₩255.80
₩51.16/unit
재고있음
  • RS 제품 번호 353-657
  • 제조사 부품 번호 PF083A-E
Subtotal (1 unit)
₩65.50
₩65.50/unit
재고있음
  • RS 제품 번호 612-5290
  • 제조사 부품 번호 MTL7706+/RS
Subtotal (1 unit)
₩2,328.30
₩2,328.30/unit
재고있음
  • RS 제품 번호 746-7003
  • 제조사 부품 번호 1SVR730100R3300 CT-ERS.22S
Subtotal (1 unit)
₩861.20
₩861.20/unit
일시적 품절
  • RS 제품 번호 124-5101
  • 제조사 부품 번호 DAT72410U/RS
Subtotal (1 unit)
₩480.50
₩480.50/unit
재고있음
  • RS 제품 번호 511-1054
  • 제조사 부품 번호 20.23.8.024.0000
Subtotal (1 unit)
₩294.10
₩294.10/unit
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