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  7. Electrical Switches & Relays
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  9. Electrical Relays

Electrical Relays (6,000+ items) - Page 122

Siemens Solid-state contactor 1-phase 3RF2 AC 51 / 70 A / 40 Degrees C 24-230 V / 110-230 3RF2370-3AA22
Siemens

Solid-state contactor 1-phase 3RF2 AC 51 / 70 A / 40 Degrees C 24-230 V / 110-230

Zoro # G315874898
Mfr # 3RF2370-3AA22
product price:  $326.99
/ea
Sold in mult. of 2 for $653.98
Siemens time-delay device fixed delay 230 V AC accessory for: 3VA IEC undervoltage 3VA9988-0BF22
Siemens

time-delay device fixed delay 230 V AC accessory for: 3VA IEC undervoltage

Zoro # G316046744
Mfr # 3VA9988-0BF22
product price:  $209.99
/ea
Sold in mult. of 2 for $419.98
Siemens Analog monitoring relay Fill level monitoring Resistance monitoring from 2 3UG4501-2AA30
Siemens

Analog monitoring relay Fill level monitoring Resistance monitoring from 2

Zoro # G316040155
Mfr # 3UG4501-2AA30
product price:  $180.99
/ea
Sold in mult. of 3 for $542.97
Phoenix Contact DEK-OV- 5DC/240AC/800 Power solid-state 2964623
Phoenix Contact

DEK-OV- 5DC/240AC/800 Power solid-state

Zoro # G316087778
Mfr # 2964623
product price:  $189.99
/ea
Siemens SIRIUS safety relay Safety-oriented Speed monitoring 24 V DC 45 mm overall 3TK2810-1BA42
Siemens

SIRIUS safety relay Safety-oriented Speed monitoring 24 V DC 45 mm overall

Zoro # G316039913
Mfr # 3TK2810-1BA42
product price:  $2,279.99
/ea
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 16 A / 40 Degrees C 48-480 V / 110-230 3RF3416-2BB24
Siemens

Solid-state contactor 3-phase 3RF3 AC 53 / 16 A / 40 Degrees C 48-480 V / 110-230

Zoro # G315855477
Mfr # 3RF3416-2BB24
product price:  $453.99
/ea
Sold in mult. of 2 for $907.98
Murrelektronik MKS-K24M/LED24 VDC RELAY SOCKET MODULES, IN: 24 VDC - OUT: 125 VAC/DC 63012
Murrelektronik

MKS-K24M/LED24 VDC RELAY SOCKET MODULES, IN: 24 VDC - OUT: 125 VAC/DC

Zoro # G300691981
Mfr # 63012
product price:  $165.99
/ea
Murrelektronik MET 1-PHASE CONTROL AND ISOLATION TRANSFORMER, P: 500VA IN: 230VAC+/- 5% OUT: 230VAC, spring clamp 6686020
Murrelektronik

MET 1-PHASE CONTROL AND ISOLATION TRANSFORMER, P: 500VA IN: 230VAC+/- 5% OUT: 230VAC, spring clamp

Zoro # G300533632
Mfr # 6686020
product price:  $693.99
/ea
Siemens Monitoring relay can be mounted to Contactor 3RT2 3RR2142-2AW30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G316040162
Mfr # 3RR2142-2AW30
product price:  $221.99
/ea
Sold in mult. of 3 for $665.97
Siemens Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount 3RF2350-1BA24
Siemens

Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount

Zoro # G315874867
Mfr # 3RF2350-1BA24
product price:  $149.99
/ea
Sold in mult. of 3 for $449.97
Siemens Solid-state contactor 1-phase 3RF2 AC 15 / 27.5 A / 40 Degrees C 24-230 V / 24 V 3RF2370-3BA02
Siemens

Solid-state contactor 1-phase 3RF2 AC 15 / 27.5 A / 40 Degrees C 24-230 V / 24 V

Zoro # G315855279
Mfr # 3RF2370-3BA02
product price:  $334.99
/ea
Sold in mult. of 2 for $669.98
Siemens coupling contactor relay 3 NO + 1 NC 3RH2131-2MB40-0KT0
Siemens

coupling contactor relay 3 NO + 1 NC

Zoro # G315960966
Mfr # 3RH2131-2MB40-0KT0
product price:  $58.69
/ea
Sold in mult. of 7 for $410.83
Murrelektronik AMMDS 10-44/0, 1 OPTO-COUPLER MODULE, IN: 53 VDC - OUT: 40 VDC / 0, 1 A, 12 mm screw-type termina 50081
Murrelektronik

AMMDS 10-44/0, 1 OPTO-COUPLER MODULE, IN: 53 VDC - OUT: 40 VDC / 0, 1 A, 12 mm screw-type termina

Zoro # G300533540
Mfr # 50081
product price:  $87.25
/ea
Siemens coupling contactor relay 4 NO 3RH2140-2MB40-0KT0
Siemens

coupling contactor relay 4 NO

Zoro # G315960973
Mfr # 3RH2140-2MB40-0KT0
product price:  $71.75
/ea
Sold in mult. of 7 for $502.25
Siemens switching relay with 4 NO contact for 230V AC 16A control 24V AC 5TT4204-2
Siemens

switching relay with 4 NO contact for 230V AC 16A control 24V AC

Zoro # G315963295
Mfr # 5TT4204-2
product price:  $94.49
/ea
Sold in mult. of 5 for $472.45
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 9.2 A / 40 Degrees C 48-480 V / 110-230 3RF3410-2BB24
Siemens

Solid-state contactor 3-phase 3RF3 AC 53 / 9.2 A / 40 Degrees C 48-480 V / 110-230

Zoro # G315855231
Mfr # 3RF3410-2BB24
product price:  $352.99
/ea
Sold in mult. of 2 for $705.98
Murrelektronik RM 122/24 OUTPUT RELAY, IN: 24 VDC - OUT: 250 VAC/DC / 5 A, 2 NO / 2-NC  - 22, 5 mm screw term. 51300
Murrelektronik

RM 122/24 OUTPUT RELAY, IN: 24 VDC - OUT: 250 VAC/DC / 5 A, 2 NO / 2-NC - 22, 5 mm screw term.

Zoro # G300533601
Mfr # 51300
product price:  $298.99
/ea
Siemens Digital monitoring relay Voltage monitoring 22.5 mm from 0.1-60 V AC/DC 3UG4631-2AW30
Siemens

Digital monitoring relay Voltage monitoring 22.5 mm from 0.1-60 V AC/DC

Zoro # G315994435
Mfr # 3UG4631-2AW30
product price:  $376.99
/ea
Sold in mult. of 2 for $753.98
Murrelektronik SOLID67 DIO16 60mm M12L 5P, SOLID67 Multiprotocol Profinet or Ethernet 54040
Murrelektronik

SOLID67 DIO16 60mm M12L 5P, SOLID67 Multiprotocol Profinet or Ethernet

Zoro # G300533533
Mfr # 54040
product price:  $81.59
/ea
Murrelektronik MST single-phase control and isolation transformer 866836
Murrelektronik

MST single-phase control and isolation transformer

Zoro # G300533717
Mfr # 866836
product price:  $2,133.99
/ea
Siemens switching relay with 2 NO contact for 230V AC 16A control 230V AC 5TT4202-0
Siemens

switching relay with 2 NO contact for 230V AC 16A control 230V AC

Zoro # G315963288
Mfr # 5TT4202-0
product price:  $50.45
/ea
Sold in mult. of 8 for $403.60
Siemens Digital monitoring relay cos phi and current monitoring for IO-Link 3UG4841-2CA40
Siemens

Digital monitoring relay cos phi and current monitoring for IO-Link

Zoro # G315994411
Mfr # 3UG4841-2CA40
product price:  $582.99
/ea
Eaton Current Transformer Kit, 300-1500A ZEB-XCT1500
Eaton

Current Transformer Kit, 300-1500A

Zoro # G2785973
Mfr # ZEB-XCT1500
product price:  $844.99
/ea
Siemens time-delay device fixed delay 110 V AC accessory for: 3VA IEC undervoltage 3VA9988-0BF21
Siemens

time-delay device fixed delay 110 V AC accessory for: 3VA IEC undervoltage

Zoro # G216046745
Mfr # 3VA9988-0BF21
product price:  $184.99
/ea
Sold in mult. of 2 for $369.98
Siemens coupling contactor relay 2 NO + 2 NC 3RH2122-2JC40
Siemens

coupling contactor relay 2 NO + 2 NC

Zoro # G215960967
Mfr # 3RH2122-2JC40
product price:  $90.65
/ea
Sold in mult. of 6 for $543.90
Siemens Analog monitoring relay Fill level monitoring Resistance monitoring from 2 3UG4501-2AW30
Siemens

Analog monitoring relay Fill level monitoring Resistance monitoring from 2

Zoro # G216040156
Mfr # 3UG4501-2AW30
product price:  $194.99
/ea
Sold in mult. of 3 for $584.97
Phoenix Contact PLC-OSC-230UC/230AC/ 1 PLC-INTERFACE 2967882
Phoenix Contact

PLC-OSC-230UC/230AC/ 1 PLC-INTERFACE

Zoro # G216105046
Mfr # 2967882
product price:  $67.15
/ea
Siemens Solid State Relay, 1 Phase, Ring Cable, DIN Rail or Panel Mount 3RF2310-3AA26
Siemens

Solid State Relay, 1 Phase, Ring Cable, DIN Rail or Panel Mount

Zoro # G215855355
Mfr # 3RF2310-3AA26
product price:  $203.99
/ea
Sold in mult. of 3 for $611.97
Siemens Solid State Relay, 1 Phase, Ring Cable, Panel Mount 3RF2370-3AA26
Siemens

Solid State Relay, 1 Phase, Ring Cable, Panel Mount

Zoro # G215874882
Mfr # 3RF2370-3AA26
product price:  $443.99
/ea
Sold in mult. of 2 for $887.98
Siemens switching relay with 1 NO contact for 230V AC 16A control 12V AC 5TT4201-3
Siemens

switching relay with 1 NO contact for 230V AC 16A control 12V AC

Zoro # G215963296
Mfr # 5TT4201-3
product price:  $44.15
/ea
Sold in mult. of 9 for $397.35
Siemens Solid State Relay, 1 Phase, Ring Cable, DIN Rail or Panel Mount 3RF2330-3AA06
Siemens

Solid State Relay, 1 Phase, Ring Cable, DIN Rail or Panel Mount

Zoro # G215855058
Mfr # 3RF2330-3AA06
product price:  $164.99
/ea
Sold in mult. of 3 for $494.97
Phoenix Contact PLC-RPT-24DC/1/SSI PLC-INTERFACE 1094767
Phoenix Contact

PLC-RPT-24DC/1/SSI PLC-INTERFACE

Zoro # G216105008
Mfr # 1094767
product price:  $53.79
/ea
Sold in mult. of 10 for $537.90
Siemens Digital monitoring relay cos phi and current monitoring from 90-690 V AC 3UG4641-1CS20
Siemens

Digital monitoring relay cos phi and current monitoring from 90-690 V AC

Zoro # G215994436
Mfr # 3UG4641-1CS20
product price:  $359.99
/ea
Sold in mult. of 2 for $719.98
Siemens Solid State Relay, 1 Phase, Ring Cable, DIN Rail or Panel Mount 3RF2310-3AA24
Siemens

Solid State Relay, 1 Phase, Ring Cable, DIN Rail or Panel Mount

Zoro # G215874875
Mfr # 3RF2310-3AA24
product price:  $174.99
/ea
Sold in mult. of 4 for $699.96
Siemens solid-state relay for TPRO 60 V DC packing unit = 4 units 6ES7928-3DA20-4AA0
Siemens

solid-state relay for TPRO 60 V DC packing unit = 4 units

Zoro # G216082996
Mfr # 6ES7928-3DA20-4AA0
product price:  $163.99
/ea
Sold in mult. of 3 for $491.97
Siemens switching relay with 2 CO contact for 230V AC 16A control 8V AC 5TT4207-4
Siemens

switching relay with 2 CO contact for 230V AC 16A control 8V AC

Zoro # G215963302
Mfr # 5TT4207-4
product price:  $85.99
/ea
Sold in mult. of 5 for $429.95
Electrical Relays (6,000+ items) - Page 122
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About Electrical Relays

Electrical relays are an important component in a variety of electrical systems. They serve as switches that control the flow of electricity and provide protection for other components in the system. Electrical relays are used to control circuits and help prevent overloads or short circuits from occurring.

Types of Electrical Relays

There are many different types of electrical relays available, each designed for specific purposes. Some common types include latching relays, which maintain their state until reset; solid-state relays, which use semiconductor technology to control current flow; and general-purpose relays, which can be used for a variety of applications.

How Electrical Relays are Made

Electrical relays are typically made from metals such as copper or aluminum. Other materials such as plastics and rubber may also be used in the construction of electrical relays. Depending on the type, they may also contain magnets, coils, resistors, diodes or transistors.

Industries that use Electrical Relays

Electricity is essential to many industries and professions, so it's no surprise that electrical relays play an important role in these fields. Industries such as automotive manufacturing, aerospace engineering, telecommunications and power generation all rely on electric relay systems to keep their operations running smoothly.

Find the Electrical Relays You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of electrical supplies, along with other tools or equipment to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

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analog monitoring relaycoil 24vpneumatic reversing relayplug-in general purpose relaysingle function time delay
electrical pin connectorsdayton time relaymonitoring relay phase3" saddle clampoff delay timer relay

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