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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 (6,000+ items) - Page 24

Diversified SLU-100 Series Universal Phase Monitor SLU-100-ASD
Diversified

SLU-100 Series Universal Phase Monitor

Zoro # G409227296
Mfr # SLU-100-ASD
product price:  $515.99
/ea
Schneider Electric 3-phase control relay, Harmony Control Relays, 5A, 2CO, 380.480V AC RM22TA33
Schneider Electric

3-phase control relay, Harmony Control Relays, 5A, 2CO, 380.480V AC

Zoro # G7123862
Mfr # RM22TA33
product price:  $162.99
/ea
Honeywell T775M2022 Modulating Electronic T775M2022
Honeywell

T775M2022 Modulating Electronic

Zoro # G6397432
Mfr # T775M2022
product price:  $615.99
/ea
No Product Image Available
Veris

Current Switch 2.5/135A Adj. W/Rly

Zoro # G9545949
Mfr # H-908
product price:  $97.79
/ea
Square D Disconnect Switch Auxiliary Contact Kit 9999TC10
Square D

Disconnect Switch Auxiliary Contact Kit

Zoro # G0571369
Mfr # 9999TC10
product price:  $119.99
/ea
Idec Relay Plug-In DPDT 10A 48VDC RR2BA-UCDC48V
Idec

Relay Plug-In DPDT 10A 48VDC

Zoro # G515279509
Mfr # RR2BA-UCDC48V
product price:  $19.39
/ea
Schneider Electric Solid State Relay, 1 Phase, Screw, Panel, MOSFET SSP1D412BDT
Schneider Electric

Solid State Relay, 1 Phase, Screw, Panel, MOSFET

Zoro # G5956831
Mfr # SSP1D412BDT
product price:  $35.85
/ea
Murrelektronik MICO 4 Channel electronic circuit protection, IN: 24 V DC OUT: 24 V DC / 2x 1-2-3-4 A 2x 4-6-8-10 A 9000-41034-0101000
Murrelektronik

MICO 4 Channel electronic circuit protection, IN: 24 V DC OUT: 24 V DC / 2x 1-2-3-4 A 2x 4-6-8-10 A

Zoro # G800533699
Mfr # 9000-41034-0101000
product price:  $392.99
/ea
Schmersal Srb-301-Lc 24V Ac/Dc Safety Controller 24 Ac/Dc 101163475
Schmersal

Srb-301-Lc 24V Ac/Dc Safety Controller 24 Ac/Dc

Zoro # G221694108
Mfr # 101163475
product price:  $426.99
/ea
Honeywell Enhanced Semi-Auto Programmer W/ Disp RM7838B1021
Honeywell

Enhanced Semi-Auto Programmer W/ Disp

Zoro # G014632799
Mfr # RM7838B1021
product price:  $3,130.99
/ea
Diversified PBD Series 3-Phase Sequence & Voltage Band Monitor Relays PBD-440-ALE
Diversified

PBD Series 3-Phase Sequence & Voltage Band Monitor Relays

Zoro # G509227318
Mfr # PBD-440-ALE
product price:  $517.99
/ea
Diversified TSC Series ON-Delay Solid State Output TSC-100-ARC-100
Diversified

TSC Series ON-Delay Solid State Output

Zoro # G309227365
Mfr # TSC-100-ARC-100
product price:  $219.99
/ea
Siemens Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm 3RF2170-1CA04
Siemens

Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm

Zoro # G315918998
Mfr # 3RF2170-1CA04
product price:  $157.99
/ea
Sold in mult. of 4 for $631.96
Siemens Open Power Relay, 12V DC, DPST-NO, Pins 3TX7130-0CB03
Siemens

Open Power Relay, 12V DC, DPST-NO, Pins

Zoro # G8523892
Mfr # 3TX7130-0CB03
product price:  $103.99
/ea
Crydom Out Module, In 4-8VDC, Out 5-48VDC, 3.0A DR-ODC5
Crydom

Out Module, In 4-8VDC, Out 5-48VDC, 3.0A

Zoro # G2031206
Mfr # DR-ODC5
product price:  $70.89
/ea
Schneider Electric Heat Sink, Panel, 0.5  C/W SSRHP05
Schneider Electric

Heat Sink, Panel, 0.5 C/W

Zoro # G9348087
Mfr # SSRHP05
product price:  $84.55
/ea
Siemens Thermistor motor protection relay Standard evaluation unit 22.5 mm 3RN2012-1BA30
Siemens

Thermistor motor protection relay Standard evaluation unit 22.5 mm

Zoro # G516041150
Mfr # 3RN2012-1BA30
product price:  $244.99
/ea
Sold in mult. of 2 for $489.98
Functional Devices-Rib Enclosed Relay 10Amp SPDT 24Vac/dc or 120Vac Red Housing RIB2401C-RD
Functional Devices-Rib

Enclosed Relay 10Amp SPDT 24Vac/dc or 120Vac Red Housing

Zoro # G212028158
Mfr # RIB2401C-RD
product price:  $31.19
/ea
Diversified UOA Series Single Phase Under Voltage Monitoring Relay UOA-240-AFA
Diversified

UOA Series Single Phase Under Voltage Monitoring Relay

Zoro # G709227255
Mfr # UOA-240-AFA
product price:  $223.99
/ea
Functional Devices-Rib Enclsd Relay, 10A, SPDT, 12VAC/DC, Polarized RIBH1C-N4
Functional Devices-Rib

Enclsd Relay, 10A, SPDT, 12VAC/DC, Polarized

Zoro # G3224921
Mfr # RIBH1C-N4
product price:  $50.19
/ea
Crydom Dual Solid State Relay, 2 Phase, Screw Clamp, Panel, SCR CC4850W3V
Crydom

Dual Solid State Relay, 2 Phase, Screw Clamp, Panel, SCR

Zoro # G4476385
Mfr # CC4850W3V
product price:  $178.99
/ea
Crydom Proportional Controller, 40A, 240V Input RPC2440
Crydom

Proportional Controller, 40A, 240V Input

Zoro # G3132884
Mfr # RPC2440
product price:  $238.99
/ea
Siemens Semiconductor relay 1-phase 3RF2 Overall width 45 mm 3RF2070-1AA45
Siemens

Semiconductor relay 1-phase 3RF2 Overall width 45 mm

Zoro # G015673722
Mfr # 3RF2070-1AA45
product price:  $133.99
/ea
Sold in mult. of 5 for $669.95
Siemens Solid-state contactor 1-phase 3RF2 AC 51 / 40 A / 40 Degrees C 24-230 V / 24 V DC 3RF2340-1AA02
Siemens

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

Zoro # G515855017
Mfr # 3RF2340-1AA02
product price:  $190.99
/ea
Sold in mult. of 4 for $763.96
Siemens SIRIUS safety relay basic unit 3SK2 series 10 F-DI 2 F-DQ 3SK2112-1AA10
Siemens

SIRIUS safety relay basic unit 3SK2 series 10 F-DI 2 F-DQ

Zoro # G615919008
Mfr # 3SK2112-1AA10
product price:  $759.99
/ea
Johnson Controls CurrentSensorRelay, SPST-NO, 0-250VAC/DC R310AE-2C
Johnson Controls

CurrentSensorRelay, SPST-NO, 0-250VAC/DC

Zoro # G4679421
Mfr # R310AE-2C
product price:  $147.99
/ea
Dayton Adj Current Sensor Relay, 10A, 24VAC, 4Pins 15V826
Dayton

Adj Current Sensor Relay, 10A, 24VAC, 4Pins

Zoro # G4327592
Mfr # 15V826
product price:  $85.35
/ea
Diversified UOA Series Single Phase Under Voltage Monitoring Relay UOA-120-ALA
Diversified

UOA Series Single Phase Under Voltage Monitoring Relay

Zoro # G009227214
Mfr # UOA-120-ALA
product price:  $185.22
/ea
Schneider Electric Liquid Level Measurement Probe, RoHS LA9RM201
Schneider Electric

Liquid Level Measurement Probe, RoHS

Zoro # G3572388
Mfr # LA9RM201
product price:  $95.95
/ea
Siemens SIRIUS safety relay Basic unit Standard series Relay enabling circuits 3 NO 3SK1111-2AB30
Siemens

SIRIUS safety relay Basic unit Standard series Relay enabling circuits 3 NO

Zoro # G216039921
Mfr # 3SK1111-2AB30
product price:  $333.99
/ea
Sold in mult. of 2 for $667.98
Phoenix Contact OPT-24DC/230AC/ 1 Plug-in miniature 2967950
Phoenix Contact

OPT-24DC/230AC/ 1 Plug-in miniature

Zoro # G216093008
Mfr # 2967950
product price:  $48.24
/ea
Sold in mult. of 10 for $482.40
Diversified CMI AC Over Current Monitor CMI-120-ASE-5
Diversified

CMI AC Over Current Monitor

Zoro # G009227269
Mfr # CMI-120-ASE-5
product price:  $475.99
/ea
Schneider Electric Operator control unit, TeSys Tera, 140 mA, RJ45 connection, flush-mounted, backlit LCD LTMCU
Schneider Electric

Operator control unit, TeSys Tera, 140 mA, RJ45 connection, flush-mounted, backlit LCD

Zoro # G0862620
Mfr # LTMCU
product price:  $286.99
/ea
Schneider Electric 3 Phase Control Relay, 250V, 5A RM35UB330
Schneider Electric

3 Phase Control Relay, 250V, 5A

Zoro # G0854476
Mfr # RM35UB330
product price:  $238.99
/ea
Diversified SLD Series Phase and Under-Voltage Monitor SLD-440-ALE
Diversified

SLD Series Phase and Under-Voltage Monitor

Zoro # G809227292
Mfr # SLD-440-ALE
product price:  $481.99
/ea
Functional Devices-Rib Mounting Snap Track, 2.75" W x 24" L MT212-24
Functional Devices-Rib

Mounting Snap Track, 2.75" W x 24" L

Zoro # G3223199
Mfr # MT212-24
product price:  $16.95
/ea
Electrical Relays (6,000+ items) - Page 24
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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

SwitchesElectrical Contactors & ContactsMotor Starters, Enclosures & AccessoriesMotor Overload RelaysProximity Sensors
Lighting PhotocontrolsSensor AccessoriesElectromechanical TimersSensor Cordsets & ReceptaclesElectronic Timers
electrical pin connectorssingle function time delay24v ac relay spdtcoil 24voff delay timer relay
plug-in general purpose relaydayton 5x8523" saddle clamppneumatic reversing relayanalog monitoring relay

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