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Electrical Relays (1237)

Control and Switching
Choose electrical relays by coil voltage, contact rating, function and installation format

DistriNode electrical relays are used in distribution boards, control cabinets, machinery, HVAC, lighting, automation and smart building circuits. Compare coil voltage, AC or DC control, contact configuration, switching current, DIN rail mounting, plug-in sockets, timer and impulse functions, interface isolation, monitoring features and manufacturer documentation before replacing or designing a circuit.

1,240 products65 brandsSignal -> PowerOfficial distributor

How to Choose Electrical Relays

Match coil voltage
The control side must match the available AC or DC voltage in the circuit.
Check contacts
NO, NC, changeover, pole count and contact rating define what the relay can switch.
Choose function
Impulse, timer, interface, monitoring and power relays solve different control tasks.
Plan installation
DIN rail, socket, PCB and panel formats are not interchangeable without the right base.

What You Will Find Here

DIN Rail RelaysImpulse RelaysTimer RelaysInterface RelaysPlug-In RelaysMonitoring RelaysControl CabinetsAutomation RelaysLighting ControlSwitching Relays

Leading Electrical Relay Brands

FINDERELTAKOSIEMENSPANASONICPHOENIX CONTACTABBOMRONLEGRANDHAGERALLNETJUNGTechniSatFIBAROGIRAH-TRONICQOLTEC
Electrical note: Relay replacement should match coil voltage, contact load and function. If the circuit controls mains voltage, installation should be handled by a qualified electrician.

Frequently Asked Questions

What is coil voltage?
It is the voltage used to activate the relay, separate from the load being switched.
Can a relay switch any load below its amp rating?
Not always. Motor, LED, capacitive and inductive loads can require derating or special relay types.
What is an impulse relay used for?
It changes state with a pulse and is often used for lighting control from several buttons.
Brand: METZ Stock: 10
The METZ CONNECT KRA-M4/1 is a compact relay module that stands out for its DIN rail mounting and screw terminal connections, making it a practical ch..
Relay Type Relay Relay Voltage 230 V
R647
Ex Tax:R563
1 supplier Reward +R2
Add to Cart
Brand: METZ Stock: 11
In control cabinets and automation systems, a reliable interface relay is essential for switching loads with a low-level control signal. The METZ CONN..
Relay Type Interface Relay Relay Voltage 24 V
R575
Ex Tax:R500
1 supplier Reward +R1
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Brand: METZ Stock: 66
With a 24 V AC coil and four changeover contacts, the METZ CONNECT KRA-M4/1 interface relay module switches loads up to 250 V AC at 6 A. Its compact 1..
Relay Type Interface Relay Relay Voltage 24 V
R562
Ex Tax:R489
1 supplier Reward +R1
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Brand: METZ Stock: 242
Switching up to 16 A at 250 V AC, the METZ CONNECT 110175 power relay delivers reliable control in a compact PCB-mount package. Its 24 V DC coil and s..
Relay Type PCB Relay Relay Voltage 24 V
R295
Ex Tax:R257
1 supplier Reward +R1
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Brand: METZ Stock: 5
Industrial control panels and building automation systems often need a reliable interface between low-voltage control signals and higher-power loads. ..
Relay Type Relay Relay Voltage 24 V
R863
Ex Tax:R750
1 supplier Reward +R2
Add to Cart
Brand: METZ Stock: 6
Industrial control systems often require reliable switching of moderate loads with a compact, DIN-rail mountable relay. The METZ CONNECT 110659 miniat..
Relay Type Relay Relay Voltage 24 V
R891
Ex Tax:R775
1 supplier Reward +R3
Add to Cart
Brand: FINDER Stock: 44
When a control circuit needs to switch a high-current AC load from a low-power DC signal, a compact PCB relay is often the answer. The Finder 45.71.7...
Relay Type PCB Relay Relay Voltage 48 V
R386
Ex Tax:R336
1 supplier Reward +R1
Add to Cart
Brand: METZ Stock: 12
The DRIW-E16 from METZ CONNECT stands out as a dedicated speed and frequency monitoring relay, offering precise supervision of rotational speeds and p..
Relay Type Monitoring Relay Relay Voltage 24 V
R1,714
Ex Tax:R1,491
1 supplier Reward +R5
Add to Cart
Brand: METZ Stock: 16
In industrial control cabinets, the METZ CONNECT KRA-S-M6/21 coupling relay module reliably switches loads up to 8 A. Its 24 V AC/DC coil and one chan..
Relay Type Interface Relay Relay Voltage 24 V
R652
Ex Tax:R567
1 supplier Reward +R2
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Brand: METZ Stock: 5
This relay module from METZ CONNECT stands out with its compact DIN rail mount design and a single changeover contact rated for 6 A at 250 V AC. The 2..
Relay Type Relay Relay Voltage 24 V
R553
Ex Tax:R481
1 supplier Reward +R1
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Brand: METZ Stock: 3
Electric motors are the workhorses of industry, but they can overheat due to overload, locked rotor, or insufficient cooling. The METZ CONNECT TMR-E12..
Relay Type Monitoring Relay Relay Voltage 24 V
R1,244
Ex Tax:R1,082
1 supplier Reward +R4
Add to Cart
Brand: METZ Stock: 51
In industrial control panels and building automation systems, reliable signal switching is critical. The METZ CONNECT KRA-M6/21 interface relay module..
Relay Type Interface Relay Relay Voltage 24 V
R569
Ex Tax:R495
1 supplier Reward +R1
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Brand: METZ Stock: 4
Switching electrical loads reliably is a constant challenge in industrial control systems. The METZ CONNECT KRA-M8/21-21 power relay solves this by pr..
Relay Type Plug-in Relay Relay Voltage 24 V
R735
Ex Tax:R640
1 supplier Reward +R2
Add to Cart
Brand: METZ Stock: 6
In industrial and building automation, reliable switching of moderate loads is critical for system uptime and safety. The METZ CONNECT 110668132722 po..
Relay Type PCB Relay Relay Voltage 24 V
R1,141
Ex Tax:R992
1 supplier Reward +R3
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Brand: METZ Stock: 3
Automation engineers and panel builders often need a compact, reliable relay that can switch moderate AC loads directly from a PLC or controller outpu..
Relay Type PCB Relay Relay Voltage 24 V
R1,573
Ex Tax:R1,368
1 supplier Reward +R5
Add to Cart
Brand: METZ Stock: 4
In industrial control systems, reliable signal isolation and amplification are critical to protect sensitive PLC outputs and drive higher loads. The M..
Relay Type Interface Relay Relay Voltage 230 V
R620
Ex Tax:R539
1 supplier Reward +R2
Add to Cart
Brand: METZ Stock: 72
The METZ CONNECT KRA-M6/21 stands out as a compact interface relay module engineered for reliable signal amplification and galvanic isolation in indus..
Relay Type Interface Relay Relay Voltage 24 V
R549
Ex Tax:R477
1 supplier Reward +R1
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Brand: METZ Stock: 6
In industrial control panels, reliable signal switching between controllers and actuators is critical, yet many standard relays fail to handle mixed A..
Relay Type Interface Relay Relay Voltage 24 V
R1,672
Ex Tax:R1,454
1 supplier Reward +R5
Add to Cart
Brand: METZ Stock: 32
With a rated switching power of 2000 VA, the METZ CONNECT KRA-S-F8/21 power relay handles demanding AC loads up to 8 A while maintaining a compact DIN..
Relay Type Interface Relay Relay Voltage 24 V
R672
Ex Tax:R585
1 supplier Reward +R2
Add to Cart
Brand: METZ Stock: 20
In industrial control cabinets and building automation systems, the METZ CONNECT KRA-M6/21 power relay handles switching tasks reliably. This plug-in ..
Relay Type Plug-in Relay Relay Voltage 24 V
R723
Ex Tax:R629
1 supplier Reward +R2
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Brand: METZ Stock: 8
Multifunctional time relay with 8 selectable functions and a wide time range from 0.05 seconds to 100 hours. The METZ Connect MARk-E08 delivers precis..
Relay Type Relay Relay Voltage 24 V
R859
Ex Tax:R747
1 supplier Reward +R2
Add to Cart
Brand: METZ Stock: 30
Industrial and building automation often requires precise timing control for processes such as delayed start-up, interval switching, or flashing signa..
Relay Type Relay Relay Voltage 230 V
R1,128
Ex Tax:R980
1 supplier Reward +R3
Add to Cart
Brand: METZ Stock: 3
Control cabinet builders and industrial electricians often need a dependable switching element that can handle moderate loads while providing galvanic..
Relay Type Interface Relay Relay Voltage 24 V
R1,657
Ex Tax:R1,441
1 supplier Reward +R5
Add to Cart
Brand: METZ Stock: 10
Industrial control systems often demand reliable switching of high-power loads from low-power control signals. The METZ CONNECT 11061913 interface rel..
Relay Type Relay Relay Voltage 24 V
R710
Ex Tax:R617
1 supplier Reward +R2
Add to Cart
Brand: METZ Stock: 8
In modern electrical engineering, reliable switching of high-power loads is a constant challenge. The METZ CONNECT 1106574133 Leistungsrelais Weiß (11..
Relay Type PCB Relay Relay Voltage 24 V
R966
Ex Tax:R840
1 supplier Reward +R3
Add to Cart
Brand: METZ Stock: 4
The METZ CONNECT 110666 power relay stands out with its robust DPDT contact configuration and high switching capacity, making it a reliable choice for..
Relay Type PCB Relay Relay Voltage 24 V
R1,223
Ex Tax:R1,063
1 supplier Reward +R4
Add to Cart
Brand: METZ Stock: 2
In industrial control panels and building automation systems, the METZ CONNECT RKAk-E10 power relay reliably switches high-current loads up to 16 A. I..
Relay Type PCB Relay Relay Voltage 24 V
R1,408
Ex Tax:R1,224
1 supplier Reward +R4
Add to Cart
Brand: METZ Stock: 20
With a robust 16 A switching capacity and a compact 1 TE (17.5 mm) DIN rail footprint, the METZ CONNECT 110657 power relay delivers dependable control..
Relay Type Relay Relay Voltage 24 V
R967
Ex Tax:R841
1 supplier Reward +R3
Add to Cart
Brand: METZ Stock: 7
With a robust 16 A switching capacity across four changeover contacts, the METZ CONNECT DRIW-E16 power relay handles demanding industrial loads with e..
Relay Type Plug-in Relay Relay Voltage 24 V
R1,660
Ex Tax:R1,444
1 supplier Reward +R5
Add to Cart
Brand: METZ Stock: 6
For switching tasks where a compact, high-current interface relay is required, the METZ CONNECT LTM-E16 stands apart from typical plug-in relays with ..
Relay Type Interface Relay Relay Voltage 24 V
R686
Ex Tax:R596
1 supplier Reward +R2
Add to Cart
Brand: FINDER Stock: 71
Control high-current loads in industrial control panels and automation systems with this Finder 65 series plug-in relay. It switches up to 30 A with a..
Relay Type Plug-in Relay Relay Voltage 230 V
R693
Ex Tax:R602
1 supplier Reward +R2
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Brand: METZ Stock: 28
Three-phase monitoring relay for reliable protection of motors and equipment against phase sequence errors, phase failure, undervoltage, overvoltage, ..
Relay Type Monitoring Relay Relay Voltage 230 V
R1,123
Ex Tax:R977
1 supplier Reward +R3
Add to Cart
Brand: METZ Stock: 2
Optocoupler-Triac module for galvanic isolation and zero-crossing switching of AC loads up to 1 A. The KRE-M4/1AC2 combines a control input of 20-30 V..
R891
Ex Tax:R775
1 supplier Reward +R3
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Brand: METZ Stock: 24
In industrial control panels, a phase failure or voltage imbalance can bring production to a halt and damage connected motors. The METZ Connect phase ..
Relay Type Monitoring Relay Relay Voltage 400 V
R1,471
Ex Tax:R1,279
1 supplier Reward +R5
Add to Cart
Brand: METZ Stock: 4
Industrial control cabinets and building automation systems often demand a relay that can switch moderate loads reliably over millions of cycles. The ..
Relay Type Plug-in Relay Relay Voltage 250 V
R688
Ex Tax:R598
1 supplier Reward +R2
Add to Cart
Brand: K-ELECTRIC Stock: 12
Voltage dips and brownouts can cause equipment malfunction, data loss, and premature wear in industrial and commercial installations. The K-ELECTRIC 1..
Relay Type Monitoring Relay Relay Voltage 240 V
R1,599
Ex Tax:R1,391
1 supplier Reward +R5
Add to Cart
Brand: K-ELECTRIC Stock: 42
Undervoltage monitoring relay for single-phase AC networks up to 400 V AC. This device reliably protects motors, compressors, and other sensitive equi..
Relay Type Monitoring Relay Relay Voltage 400 V
R1,507
Ex Tax:R1,310
1 supplier Reward +R5
Add to Cart
Brand: METZ Stock: 6
With a switching capacity of 2.5 A at 230 V AC, the CPW-E12 monitoring relay delivers dependable single-phase current supervision in a compact form fa..
Relay Type Monitoring Relay Relay Voltage 230 V
R2,769
Ex Tax:R2,408
1 supplier Reward +R9
Add to Cart
Brand: METZ Stock: 31
Industrial automation often demands reliable switching of moderate loads with a clear visual status. The METZ CONNECT KRA-SR-M8/21 power relay module ..
Relay Type Relay
R822
Ex Tax:R715
1 supplier Reward +R2
Add to Cart
Brand: METZ Stock: 18
Industrial control systems often need to switch high-power loads from low-power PLC or controller outputs. The METZ CONNECT KRA-F10/21-21 coupling rel..
Relay Type Relay Relay Voltage 24 V
R702
Ex Tax:R610
1 supplier Reward +R2
Add to Cart
Brand: METZ CONNECT Stock: 2
In industrial and building automation, reliable signal switching is critical. The METZ CONNECT 11028313 Interface Relay provides a robust solution for..
Relay Type Interface Relay Relay Voltage 24 V
R1,973
Ex Tax:R1,716
1 supplier Reward +R6
Add to Cart
Brand: METZ Stock: 13
The METZ CONNECT KRA-SR-F10/21 is an interface relay module engineered for reliable switching of high-current loads in industrial control systems. Its..
Relay Type Interface Relay Relay Voltage 24 V
R704
Ex Tax:R612
1 supplier Reward +R2
Add to Cart
Brand: METZ CONNECT Stock: 12
For switching loads up to 10 A with a compact PCB footprint, the METZ CONNECT KRA-SRA-F10/21 stands out among general-purpose relays. Its 1 Form A con..
Relay Type PCB Relay
R686
Ex Tax:R597
1 supplier Reward +R2
Add to Cart
Brand: METZ Stock: 16
Ten selectable timing functions in a single 17.5 mm module make the METZ CONNECT MFRk-E12 a versatile solution for control cabinet automation. With a ..
Relay Type Interface Relay
R2,391
Ex Tax:R2,079
1 supplier Reward +R8
Add to Cart
Brand: METZ Stock: 3
The METZ CONNECT TMR-12 motor monitoring relay provides reliable thermal protection for electric motors by evaluating PTC thermistor sensors. Its wide..
Relay Type Monitoring Relay
R1,247
Ex Tax:R1,084
1 supplier Reward +R4
Add to Cart
Brand: METZ Stock: 7
In industrial and building automation, reliable signal switching is critical. The METZ Connect RM21 relay provides a compact, high-performance solutio..
Relay Type PCB Relay Relay Voltage 24 V
R646
Ex Tax:R561
1 supplier Reward +R2
Add to Cart
Brand: METZ Stock: 3
Monitor three-phase networks with the METZ Connect phase monitoring relay. It detects undervoltage, overvoltage, phase asymmetry, and phase failure, e..
Relay Type Monitoring Relay Relay Voltage 230 V
R2,988
Ex Tax:R2,598
1 supplier Reward +R10
Add to Cart
Brand: FINDER Stock: 45
With a 10 A changeover contact and an integrated timer, this Finder Series 19 twilight switch handles lighting control up to 2500 VA. The built-in fee..
Relay Type Relay Relay Voltage 24 V
R986
Ex Tax:R857
2 suppliers Reward +R3
Add to Cart
Brand: METZ Stock: 22
Multifunctional time relay with 8 selectable functions and a wide time range from 0.05 seconds to 100 hours, designed for DIN rail mounting. The relay..
Relay Type Relay Relay Voltage 230 V
R1,085
Ex Tax:R943
1 supplier Reward +R3
Add to Cart
Brand: K-ELECTRIC Stock: 12
The K-ELECTRIC 103061 is a 3-phase monitoring relay that supervises undervoltage, phase sequence, and phase failure. Unlike basic voltage relays, it c..
Relay Type Monitoring Relay Relay Voltage 400 V
R1,825
Ex Tax:R1,587
1 supplier Reward +R6
Add to Cart
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