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  5. Industrial Electrical Controls & Automation
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  7. Electrical Switches & Relays
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  9. Electrical Relays

Electrical Relays (6,500+ items) - Page 127

Siemens Solid State Relay, 1 Phase, Ring Cable, DIN Rail or Panel Mount 3RF2330-3AA26
Siemens

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

Zoro # G415855100
Mfr # 3RF2330-3AA26
product price:  $217.99
/ea
Sold in mult. of 3 for $653.97
Siemens Solid State Relay, 1 Phase, Ring Cable, Panel Mount 3RF2350-3AA26
Siemens

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

Zoro # G415874866
Mfr # 3RF2350-3AA26
product price:  $304.99
/ea
Sold in mult. of 2 for $609.98
Murrelektronik RMI 24V AC/DC OUTPUT RELAY, IN: 24 VAC/DC - OUT: 250 VAC/DC / 8 A, 1 C/O contact - 17 mm screw term 51600
Murrelektronik

RMI 24V AC/DC OUTPUT RELAY, IN: 24 VAC/DC - OUT: 250 VAC/DC / 8 A, 1 C/O contact - 17 mm screw term

Zoro # G400533518
Mfr # 51600
product price:  $66.99
/ea
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 5.2 A / 40 Degrees C 48-600 V / 110-230 3RF3405-2BB26
Siemens

Solid-state contactor 3-phase 3RF3 AC 53 / 5.2 A / 40 Degrees C 48-600 V / 110-230

Zoro # G415855278
Mfr # 3RF3405-2BB26
product price:  $372.99
/ea
Sold in mult. of 2 for $745.98
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 16 A / 40 Degrees C 48-600 V / 24 V DC 3RF3416-2BB06
Siemens

Solid-state contactor 3-phase 3RF3 AC 53 / 16 A / 40 Degrees C 48-600 V / 24 V DC

Zoro # G415855483
Mfr # 3RF3416-2BB06
product price:  $524.99
/ea
Sold in mult. of 2 for $1,049.98
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
Siemens SIMATIC ET 200SP relay module normally open 6ES7132-6MD00-0BB1
Siemens

SIMATIC ET 200SP relay module normally open

Zoro # G316041176
Mfr # 6ES7132-6MD00-0BB1
product price:  $295.99
/ea
Sold in mult. of 2 for $591.98
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
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
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 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 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
Siemens relay for TPRI 230 V AC coil voltage 230 V AC packing unit = 4 units 6ES7928-3BA20-4AA0
Siemens

relay for TPRI 230 V AC coil voltage 230 V AC packing unit = 4 units

Zoro # G315919001
Mfr # 6ES7928-3BA20-4AA0
product price:  $127.99
/ea
Sold in mult. of 4 for $511.96
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
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
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
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 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
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 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
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
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 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 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 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 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
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:  $393.99
/ea
Sold in mult. of 2 for $787.98
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
Siemens switching relay with 1 NO and 1 NC contact contact for 230V AC 16A control 24V 5TT4205-2
Siemens

switching relay with 1 NO and 1 NC contact contact for 230V AC 16A control 24V

Zoro # G215963289
Mfr # 5TT4205-2
product price:  $57.95
/ea
Sold in mult. of 7 for $405.65
Siemens Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm 3RF2190-1BA04
Siemens

Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm

Zoro # G215918982
Mfr # 3RF2190-1BA04
product price:  $128.99
/ea
Sold in mult. of 4 for $515.96
Siemens Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount 3RF2350-1AA26
Siemens

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

Zoro # G215874868
Mfr # 3RF2350-1AA26
product price:  $361.99
/ea
Sold in mult. of 2 for $723.98
Murrelektronik MTS Single phase safety transformer P: 75VA IN: 115/230VAC OUT: 5VAC with RC circuit 866161
Murrelektronik

MTS Single phase safety transformer P: 75VA IN: 115/230VAC OUT: 5VAC with RC circuit

Zoro # G200533640
Mfr # 866161
product price:  $394.99
/ea
Siemens Monitoring relay can be mounted to Contactor 3RT2 3RR2141-2AW30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G216040170
Mfr # 3RR2141-2AW30
product price:  $201.99
/ea
Sold in mult. of 3 for $605.97
Siemens electronic timing relay off delayed 3RA2832-2DH10
Siemens

electronic timing relay off delayed

Zoro # G215996850
Mfr # 3RA2832-2DH10
product price:  $114.99
/ea
Sold in mult. of 4 for $459.96
Siemens Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount 3RF2310-1BA24
Siemens

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

Zoro # G215874905
Mfr # 3RF2310-1BA24
product price:  $96.29
/ea
Sold in mult. of 4 for $385.16
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 (6,500+ items) - Page 127
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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.

Related Categories

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one shot relayoff delay timer relaymounting snap tracksingle function time delaypneumatic reversing relay
plug-in general purposeplug-in general purpose relaycoil 24v3" saddle clampdouble pole relay

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