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  1. Home
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  3. Electrical Supplies
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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 28

Functional Devices-Rib Enclosed Relay, 10A, DPDT RIB2402D-RD
Functional Devices-Rib

Enclosed Relay, 10A, DPDT

Zoro # G3224720
Mfr # RIB2402D-RD
product price:  $58.75
/ea
Phoenix Contact PLC-RPT-230UC/ 1AU/SEN PLC-INTERFACE 2900315
Phoenix Contact

PLC-RPT-230UC/ 1AU/SEN PLC-INTERFACE

Zoro # G216105145
Mfr # 2900315
product price:  $37.99
/ea
Sold in mult. of 10 for $379.90
Eaton Plumbing Solenoid Valves and Coils AR Relay 24V 1253C48G04
Eaton

Plumbing Solenoid Valves and Coils AR Relay 24V

Zoro # G014797474
Mfr # 1253C48G04
product price:  $123.99
/ea
Murrelektronik AMMS 10-1 OPTO-COUPLER MODULE, IN: 30 VDC - OUT: 48 VDC / 0.5 A, 12 mm screw-type terminal 50010
Murrelektronik

AMMS 10-1 OPTO-COUPLER MODULE, IN: 30 VDC - OUT: 48 VDC / 0.5 A, 12 mm screw-type terminal

Zoro # G600533608
Mfr # 50010
product price:  $112.99
/ea
No Product Image Available
Finder

EMR Interface Module, SPDT 6A, 240V AC, AgNi, 10PK

Zoro # G212185752
Mfr # 38.51.8.240.0060
product price:  $344.99
/pk 10, $34.50/ea
Atc Diversified Electronics Voltage Sensor Relay TDT240AKA060
Atc Diversified Electronics

Voltage Sensor Relay

Zoro # G216497905
Mfr # TDT240AKA060
product price:  $293.99
/ea
Phoenix Contact PLC-RSC- 24DC/ 1AU/MS/SEN PLC-INTERFACE 2909663
Phoenix Contact

PLC-RSC- 24DC/ 1AU/MS/SEN PLC-INTERFACE

Zoro # G416104986
Mfr # 2909663
product price:  $26.35
/ea
Sold in mult. of 10 for $263.50
No Product Image Available
Finder

Varistor and LED Indicator Module 6-24V AC/DC, 10PK

Zoro # G212185837
Mfr # 99.01.0.024.98
product price:  $74.99
/pk 10, $7.50/ea
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
Macromatic Single Function Time Delay Relay, Octal, Off Delay, 1 Functions 240V AC, DPDT TR-51621-10
Macromatic

Single Function Time Delay Relay, Octal, Off Delay, 1 Functions 240V AC, DPDT

Zoro # G8590303
Mfr # TR-51621-10
product price:  $38.45
/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
Diversified SLA Series Three-Phase Monitoring Relay SLA-440-ASA
Diversified

SLA Series Three-Phase Monitoring Relay

Zoro # G509227240
Mfr # SLA-440-ASA
product price:  $152.99
/ea
Taco Sr502 Two Zone Switching Relay SR502
Taco

Sr502 Two Zone Switching Relay

Zoro # G7008487
Mfr # SR502
product price:  $235.99
/ea
Siemens Thermistor motor protection relay Compact evaluation unit 17.5 mm enclosure 3RN2010-1CA30
Siemens

Thermistor motor protection relay Compact evaluation unit 17.5 mm enclosure

Zoro # G016041131
Mfr # 3RN2010-1CA30
product price:  $143.99
/ea
Sold in mult. of 4 for $575.96
Te Connectivity Power/Signal Relay, Spdt, Momentary, 0.047A (Coil), 18Vdc (Coil), 850Mw (Coil), 20A (Contact), Dc 3-1393209-8
Te Connectivity

Power/Signal Relay, Spdt, Momentary, 0.047A (Coil), 18Vdc (Coil), 850Mw (Coil), 20A (Contact), Dc

Zoro # G505866047
Mfr # 3-1393209-8
product price:  $5.99
/ea
Sold in mult. of 15 for $89.85
Te Connectivity R10-E2Y1-V700=R10 2-1393767-0
Te Connectivity

R10-E2Y1-V700=R10

Zoro # G900984261
Mfr # 2-1393767-0
product price:  $48.75
/ea
Sold in mult. of 4 for $195.00
Murrelektronik AMS 3-10/44-2 OPTO-COUPLER MODULE, IN: 53 VDC - OUT: 35 VDC / 2 A, 12 mm screw-type terminal 50043
Murrelektronik

AMS 3-10/44-2 OPTO-COUPLER MODULE, IN: 53 VDC - OUT: 35 VDC / 2 A, 12 mm screw-type terminal

Zoro # G900533599
Mfr # 50043
product price:  $277.99
/ea
Schneider Electric Additional output module, Altivar, relay output, 24 to 30V DC, 1 screw terminal VW3A3204
Schneider Electric

Additional output module, Altivar, relay output, 24 to 30V DC, 1 screw terminal

Zoro # G5957075
Mfr # VW3A3204
product price:  $304.99
/ea
Johnson Controls Current Sensing Relay, Solid Core, 0.50A CSDSC-S75050L
Johnson Controls

Current Sensing Relay, Solid Core, 0.50A

Zoro # G6324068
Mfr # CSDSC-S75050L
product price:  $93.15
/ea
Crydom Dual Solid State Relay, 2 Phase, Screw Clamp, Panel, SCR CC2450W2V
Crydom

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

Zoro # G4475773
Mfr # CC2450W2V
product price:  $120.99
/ea
Schweitzer Engineering Laboratories Relays SEL-751A-1324590
Schweitzer Engineering Laboratories

Relays

Zoro # G424223662
Mfr # SEL-751A-1324590
product price:  $304.99
/ea
Honeywell Q179A1035 Gas Pilot Assembly Q179A1035
Honeywell

Q179A1035 Gas Pilot Assembly

Zoro # G6951534
Mfr # Q179A1035
product price:  $529.99
/ea
Idec 4PDT W/LITE-CB RH4B-ULCDC6V
Idec

4PDT W/LITE-CB

Zoro # G415279166
Mfr # RH4B-ULCDC6V
product price:  $28.39
/ea
Siemens Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm 3RF2150-1AA14
Siemens

Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm

Zoro # G915918992
Mfr # 3RF2150-1AA14
product price:  $86.29
/ea
Sold in mult. of 5 for $431.45
Te Connectivity Socket, Plug-In Relay, 8 A, 2 Pins, Plug-in 1887213-1
Te Connectivity

Socket, Plug-In Relay, 8 A, 2 Pins, Plug-in

Zoro # G700979931
Mfr # 1887213-1
product price:  $23.39
/ea
Sold in mult. of 5 for $116.95
Te Connectivity PCB, PCB Relay, 1 A, Surface Mount 1617159-7
Te Connectivity

PCB, PCB Relay, 1 A, Surface Mount

Zoro # G601037655
Mfr # 1617159-7
product price:  $128.99
/ea
Te Connectivity 7022Rem=Rly Std Off 2P 60Vdc 7022REM
Te Connectivity

7022Rem=Rly Std Off 2P 60Vdc

Zoro # G805944971
Mfr # 7022REM
product price:  $904.99
/ea
Siemens Timing relay electronic slow-operating 1 change-over contact 24 V AC/DC 3RP2025-2AQ30
Siemens

Timing relay electronic slow-operating 1 change-over contact 24 V AC/DC

Zoro # G516041204
Mfr # 3RP2025-2AQ30
product price:  $153.99
/ea
Sold in mult. of 4 for $615.96
No Product Image Available
Omron

SOCKET -MM2 RELAY

Zoro # G610080178
Mfr # 8PFA
product price:  $26.79
/ea
Functional Devices-Rib Enclosed AHU Fan Safety Alarm RIBLB-4
Functional Devices-Rib

Enclosed AHU Fan Safety Alarm

Zoro # G3225052
Mfr # RIBLB-4
product price:  $145.99
/ea
Te Connectivity JWD-171-28=REED RELAYS 1-1393771-9
Te Connectivity

JWD-171-28=REED RELAYS

Zoro # G300973353
Mfr # 1-1393771-9
product price:  $20.75
/ea
Sold in mult. of 8 for $166.00
Te Connectivity Threaded, General Purpose Relay, 18 A, Flying Lead 4-1618276-3
Te Connectivity

Threaded, General Purpose Relay, 18 A, Flying Lead

Zoro # G300973360
Mfr # 4-1618276-3
product price:  $3,861.99
/ea
Siemens Semiconductor relay 1-phase 3RF2 Overall width 45 mm 3RF2030-1BA04
Siemens

Semiconductor relay 1-phase 3RF2 Overall width 45 mm

Zoro # G715919007
Mfr # 3RF2030-1BA04
product price:  $95.95
/ea
Sold in mult. of 6 for $575.70
Te Connectivity On-Delay Relay, 2 Form C, Dpdt-Co, Momentary, 125Vdc (Coil), 60S Adj Min, 600S Adj Max, Dc Input,  2-1423159-9
Te Connectivity

On-Delay Relay, 2 Form C, Dpdt-Co, Momentary, 125Vdc (Coil), 60S Adj Min, 600S Adj Max, Dc Input,

Zoro # G305864991
Mfr # 2-1423159-9
product price:  $803.99
/ea
Te Connectivity Panel Mount, Power Relay, 3 Pins, Solder 4-1393099-9
Te Connectivity

Panel Mount, Power Relay, 3 Pins, Solder

Zoro # G205866019
Mfr # 4-1393099-9
product price:  $72.89
/ea
Sold in mult. of 2 for $145.78
Phoenix Contact PLC-RPT- 24UC/21-21/MS PLC-INTERFACE 2910520
Phoenix Contact

PLC-RPT- 24UC/21-21/MS PLC-INTERFACE

Zoro # G516104916
Mfr # 2910520
product price:  $49.15
/ea
Sold in mult. of 10 for $491.50
Electrical Relays (6,500+ items) - Page 28
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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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Switch AccessoriesLighting PhotocontrolsFoot SwitchesSensor Cordsets & ReceptaclesSensor Accessories
electrical pin connectors24v ac relay spdtmonitoring relay phaseoff delay timer relay3" saddle clamp
analog monitoring relaydayton time relaypneumatic reversing relayplug-in general purposecoil 24v

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