Shop Relays in Circuits

Sponsored
About our ads
$98.00
Relay Output Module: 12-pt, 12-48 VDC/24-240 VAC (PN# BX-12TR)
Automation Direct
$98.00
Relay Output Module: 12-pt, 12-48 VDC/24-240 VAC (PN# BX-12TR)
Automation Direct
$88.00
Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
Automation Direct
$88.00
Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
Automation Direct
$130.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D0-08TR)
Automation Direct
$130.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D0-08TR)
Automation Direct
$78.32
$101.34
8501CO16V20 Square D Power Relay
Standard Electric Supply Co.
6
22% off
$78.32
$101.34
8501CO16V20 Square D Power Relay
Standard Electric Supply Co.
$318.00
3SK1111-2AW20 SIEMENS - Safety Systems & Safety Relay Supplies
Radwell.com
$318.00
3SK1111-2AW20 SIEMENS - Safety Systems & Safety Relay Supplies
Radwell.com
$71.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Amazon.com
Free shipping
$71.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Amazon.com
$1,950.00
809-A07E ALLEN BRADLEY - Transmission Distribut. Relays & Phase/Voltage Loss Relay Supplies
Radwell.com
$1,950.00
809-A07E ALLEN BRADLEY - Transmission Distribut. Relays & Phase/Voltage Loss Relay Supplies
Radwell.com
$5.53
405280240000 FINDER Circuit Board Relay
Standard Electric Supply Co.
$5.53
405280240000 FINDER Circuit Board Relay
Standard Electric Supply Co.
$412.66
700-NM400A24 ALLEN BRADLEY - Panel Accessories & Relay/Socket Supplies
Radwell.com
$412.66
700-NM400A24 ALLEN BRADLEY - Panel Accessories & Relay/Socket Supplies
Radwell.com
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
$39.15
$50.67
8501RSD42V51 Square D General Purpose Relay
Standard Electric Supply Co.
22% off
$39.15
$50.67
8501RSD42V51 Square D General Purpose Relay
Standard Electric Supply Co.
$68.90
Schneider IEC Control Relay: DIN-Rail & Surface Relay Mounting, 120V AC Coil Volt, 2NO/2NC, 10 A Model: CA2KN22G7
Grainger
2
$68.90
Schneider IEC Control Relay: DIN-Rail & Surface Relay Mounting, 120V AC Coil Volt, 2NO/2NC, 10 A Model: CA2KN22G7
Grainger
$41.50
Schneider Enclosed Power Relay: DIN-Rail & Surface Mounted, 30 A Current Rating, 120V AC, SPST-NO Model: 725AXXSC3ML-120A
Grainger
$41.50
Schneider Enclosed Power Relay: DIN-Rail & Surface Mounted, 30 A Current Rating, 120V AC, SPST-NO Model: 725AXXSC3ML-120A
Grainger
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
76
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$24.44
Veris | VMD4B-C120A | Veris Mini Relay/4Pdt/Blade/120Vac | Relays And Contactors - General Purpose Relays
Kele
$24.44
Veris | VMD4B-C120A | Veris Mini Relay/4Pdt/Blade/120Vac | Relays And Contactors - General Purpose Relays
Kele
$68.90
Schneider IEC Control Relay: DIN-Rail & Surface Relay Mounting, 24V AC Coil Volt, 2NO/2NC, 10 A Model: CA2KN22B7
Grainger
$68.90
Schneider IEC Control Relay: DIN-Rail & Surface Relay Mounting, 24V AC Coil Volt, 2NO/2NC, 10 A Model: CA2KN22B7
Grainger
$14.56
Veris | VMD2B-C120A | Veris Mini Relay/Dpdt/Blade/120Vac | Relays And Contactors - General Purpose Relays
Kele
1
$14.56
Veris | VMD2B-C120A | Veris Mini Relay/Dpdt/Blade/120Vac | Relays And Contactors - General Purpose Relays
Kele
$36.40
Veris | V120 | ENC Relay/Spdt/24Vac-Dc/120Vac/20A | Relays And Contactors - Enclosed Relays
Kele
$36.40
Veris | V120 | ENC Relay/Spdt/24Vac-Dc/120Vac/20A | Relays And Contactors - Enclosed Relays
Kele
$609.98
SIEMENS SIRIUS Safety Relay Basic Unit Standard Series Relay Enabling Circuits 3 NO, 3SK1111-2AW20
Zoro.com
$609.98
SIEMENS SIRIUS Safety Relay Basic Unit Standard Series Relay Enabling Circuits 3 NO, 3SK1111-2AW20
Zoro.com
$397.99
SIEMENS SIRIUS Safety Relay Basic Unit Advanced Series Relay Enabling Circuits 3 NO, 3SK1121-1AB40
Zoro.com
$397.99
SIEMENS SIRIUS Safety Relay Basic Unit Advanced Series Relay Enabling Circuits 3 NO, 3SK1121-1AB40
Zoro.com
$162.99
FUNCTIONAL DEVICES-RIB UL 924 Auto Load Control Relay, 120-277 Vac Voltage Input, SPST Relay, ESRN-1
Zoro.com
$162.99
FUNCTIONAL DEVICES-RIB UL 924 Auto Load Control Relay, 120-277 Vac Voltage Input, SPST Relay, ESRN-1
Zoro.com
$281.26
Lincoln 369200 DPST Relay OEM For Automation Control Circuits | Commercial Restaurant Supply
RestaurantSupply.com
$281.26
Lincoln 369200 DPST Relay OEM For Automation Control Circuits | Commercial Restaurant Supply
RestaurantSupply.com
$24.00
Cres Cor 0857-142 Relay - 24 Volt Coil - Spst - 40 Amp - Relays
Parts Town
$24.00
Cres Cor 0857-142 Relay - 24 Volt Coil - Spst - 40 Amp - Relays
Parts Town
$360.00
8501XO40V02 Square D / Schneider Electric Control Relays Automation
Relectric.com
$360.00
8501XO40V02 Square D / Schneider Electric Control Relays Automation
Relectric.com
$231.84
Macromatic | SFPAD7C100 | Seal Leak Relay | Dual Channel | 4.7-100K Ohms | 24V AC/DC Input | (2) 5 Amp SPNO Relay | Plug-In
Blackhawk Supply
$231.84
Macromatic | SFPAD7C100 | Seal Leak Relay | Dual Channel | 4.7-100K Ohms | 24V AC/DC Input | (2) 5 Amp SPNO Relay | Plug-In
Blackhawk Supply
$4.17
40.31.7.024.0000: Finder | General Purpose
Galco Industrial Electronics
$4.17
40.31.7.024.0000: Finder | General Purpose
Galco Industrial Electronics
$107.85
Macromatic | COH05A1BG | Over Current Sensing Relay | 10 Amp Relay | SPDT | 240 VAC Input | 0.5 - 5A Current Range | Start Delay | Adj Trip Delay
Blackhawk Supply
$107.85
Macromatic | COH05A1BG | Over Current Sensing Relay | 10 Amp Relay | SPDT | 240 VAC Input | 0.5 - 5A Current Range | Start Delay | Adj Trip Delay
Blackhawk Supply
$88.87
Schneider Electric CAD50G7 Control Relay
SuperBreakers.com
$88.87
Schneider Electric CAD50G7 Control Relay
SuperBreakers.com
$313.82
Square D | 8501XO80V02 | 8501 Industrial Control Relay, 110V AC 50 Hz/120V AC 60 Hz, Coil With 8 NO Contacts
Blackhawk Supply
$313.82
Square D | 8501XO80V02 | 8501 Industrial Control Relay, 110V AC 50 Hz/120V AC 60 Hz, Coil With 8 NO Contacts
Blackhawk Supply
$39.88
$51.84
Solid State Relay Module, 4 Channel Solid State Relay Module Board 5V DC-AC High Level Trigger With Fuse 2A
Suthisa.us
Free shipping
23% off
$39.88
$51.84
Solid State Relay Module, 4 Channel Solid State Relay Module Board 5V DC-AC High Level Trigger With Fuse 2A
Suthisa.us
$10.14
RH2B-UAC110-120V: IDEC | General Purpose
Galco Industrial Electronics
1
$10.14
RH2B-UAC110-120V: IDEC | General Purpose
Galco Industrial Electronics
$16.70
Functional Devices RIBU1C Enclosed Pilot Relay, 10 Amp, SPDT W/ 10-30 Vac/DC/120 Vac Coil | Supplyhouse.Com
SupplyHouse.com
27
$16.70
Functional Devices RIBU1C Enclosed Pilot Relay, 10 Amp, SPDT W/ 10-30 Vac/DC/120 Vac Coil | Supplyhouse.Com
SupplyHouse.com
$0.83
$1.17
1-10PCS 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8Channel Relay Module For
Aliexpress
29% off
$0.83
$1.17
1-10PCS 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8Channel Relay Module For
Aliexpress
$84.51
$270.31
TMR5F22120 Eaton TMR5 Series Timedelay Relay, Offdelay, 120 V AC/DC, 6 S10 Min, 11Pin (DPDT)
Essential Electric Supply
68% off
$84.51
$270.31
TMR5F22120 Eaton TMR5 Series Timedelay Relay, Offdelay, 120 V AC/DC, 6 S10 Min, 11Pin (DPDT)
Essential Electric Supply
$2.99
12V DC 30/40A 5 PIN Universal Relay - 5 Pin Relay
Super Bright LEDs
$2.99
12V DC 30/40A 5 PIN Universal Relay - 5 Pin Relay
Super Bright LEDs
$61.00
Allen-Bradley 700-HLT1L1 Interposing/Isolation Relay, SPDT, A
PLCHardware.com
$61.00
Allen-Bradley 700-HLT1L1 Interposing/Isolation Relay, SPDT, A
PLCHardware.com
How Relays Work
How Relays Work
Jan 12, 2021
theengineeringmindset.com
How Relays Work - Basic working principle electronics engineering electrician amp
14:02
How Relays Work - Basic working principle electronics engineering …
2.6M viewsSep 19, 2020
YouTubeThe Engineering Mindset
Relay Explained । Relay working । Electrical Circuit Diagram
1:54
Relay Explained । Relay working । Electrical Circuit Diagram
135.7K viewsAug 14, 2020
YouTubeElectrical Circuit Diagram
Relay - Explained and animated - how relay works
1:59
Relay - Explained and animated - how relay works
444.8K viewsDec 17, 2016
YouTubejordi3736
Types of Relays and how to use them? SPDT, DPDT, and Solid State Relay
Types of Relays and how to use them? SPDT, DPDT, and Solid Stat…
Oct 14, 2020
electroniclinic.com
Relay Wiring Diagram | Relay Connection | Relay Working Principle |
4:39
Relay Wiring Diagram | Relay Connection | Relay Working Princi…
63.8K viewsJun 22, 2021
YouTubeLearning Engineering
How to use a Relay in Circuit and How a relay works
19:40
How to use a Relay in Circuit and How a relay works
37K viewsFeb 9, 2017
YouTubeTech StudyCell
13:01
Relay working principle explained
9.6K viewsAug 7, 2020
YouTubeSM training academy
1:01
How a Relay Works (Simple Explanation)
50.2K viewsJul 13, 2024
YouTubeElectromechanical Engineering Systems
13:15
Lecture 7: What is an Electric Relays? How it works? |EXPLAINE…
2.2K viewsOct 11, 2024
YouTubeElectricalEngineeringPlanet
3:32
What is a Relay? How does a Relay works!
965K viewsNov 6, 2016
YouTubechrvoje_engineering
5:18
What is a Relay? How does a Relay work and types of Relays | How R…
16.8K viewsAug 30, 2017
YouTubeFoxstylo Stock Market
7:19
Arduino relay basics - how it works and how to use it
18.8K viewsNov 10, 2021
YouTubeTaste The Code
5:14
Understanding Relays: How They Work & Types Explained | Automa…
134.4K viewsOct 20, 2017
YouTubePractical Ninjas
19:48
RELAYS EXPLAINED! How an Automotive Relay Works with wiri…
32.9K viewsFeb 27, 2021
YouTubeHelp Me DIY
26:27
Control Relays (Full lecture)
181.2K viewsMar 13, 2015
YouTubeJim Pytel
3:28
Electromagnetic Relay - How a Relay Works - Electromagnetic Re…
15.8K viewsOct 2, 2020
YouTubeLearning Engineering
10:08
Relays Explained - How they work and how to wire one!
16.6K viewsDec 15, 2018
YouTubeHotRodHippie
12:30
The easiest LATCHING RELAY CIRCUIT to understand ever! Bot…
632.8K viewsNov 6, 2012
YouTubemrmattandmrchay
4:08
Mastering Relay Logic: A Beginner’s Guide to Electrical Controls
20.2K viewsSep 15, 2024
YouTubeELECTRICAL LAD
8:23
How to Connect a Relay Base: The Complete Guide
31K viewsJun 25, 2021
YouTubeELEKTRECA
5:13
Normally Open Vs Normally Closed Relay Diagrams, Symbols
Nov 14, 2022
easycarelectrics.com
10:46
How a Relay Works ⚡ What is a Relay
39.5K viewsOct 6, 2022
YouTubeVirtualBrain [ENG]
16:27
How to use a relay as a switch (#23 AC and Switching Circuits)
10.2K viewsFeb 20, 2022
YouTubeAaron Danner
16:01
How to Wire a Relay - Full Tutorial
38K viewsJul 10, 2021
YouTube2CarPros
15:57
Episode 31 - Control Relays - HOW THEY WORK & WHAT THEY'RE FOR
115.8K viewsAug 5, 2019
YouTubeElectrician U
2:05
Latching Relay Basics - Basic working principle in 2 minutes
214.3K viewsSep 8, 2021
YouTubeThe Engineering Mindset
7:04
#1 - Relay Driver Circuits - How they Work
11.8K viewsDec 30, 2019
YouTubeThe Tech Circuit
12:42
HVACR: General Purpose Switching Relays EXPLAINED (How It Works…
23.4K viewsJun 12, 2021
YouTubeJumper man Tech
11:33
How does relay switch work
18.5K viewsJul 5, 2020
YouTubeELEKTRECA
See more videos
Static thumbnail place holder

Shop Relays in Circuits

Sponsored
About our ads
$98.00
Relay Output Module: 12-pt, 12-48 VDC/24-240 VAC (PN# BX-12TR)
Automation Direct
$98.00
Relay Output Module: 12-pt, 12-48 VDC/24-240 VAC (PN# BX-12TR)
Automation Direct
$88.00
Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
Automation Direct
$88.00
Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
Automation Direct
$130.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D0-08TR)
Automation Direct
$130.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D0-08TR)
Automation Direct
$78.32
$101.34
8501CO16V20 Square D Power Relay
Standard Electric Supply Co.
6
22% off
$78.32
$101.34
8501CO16V20 Square D Power Relay
Standard Electric Supply Co.
$318.00
3SK1111-2AW20 SIEMENS - Safety Systems & Safety Relay Supplies
Radwell.com
$318.00
3SK1111-2AW20 SIEMENS - Safety Systems & Safety Relay Supplies
Radwell.com
$71.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Amazon.com
Free shipping
$71.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Amazon.com
$1,950.00
809-A07E ALLEN BRADLEY - Transmission Distribut. Relays & Phase/Voltage Loss Relay Supplies
Radwell.com
$1,950.00
809-A07E ALLEN BRADLEY - Transmission Distribut. Relays & Phase/Voltage Loss Relay Supplies
Radwell.com
$5.53
405280240000 FINDER Circuit Board Relay
Standard Electric Supply Co.
$5.53
405280240000 FINDER Circuit Board Relay
Standard Electric Supply Co.
$412.66
700-NM400A24 ALLEN BRADLEY - Panel Accessories & Relay/Socket Supplies
Radwell.com
$412.66
700-NM400A24 ALLEN BRADLEY - Panel Accessories & Relay/Socket Supplies
Radwell.com
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
$39.15
$50.67
8501RSD42V51 Square D General Purpose Relay
Standard Electric Supply Co.
22% off
$39.15
$50.67
8501RSD42V51 Square D General Purpose Relay
Standard Electric Supply Co.
$68.90
Schneider IEC Control Relay: DIN-Rail & Surface Relay Mounting, 120V AC Coil Volt, 2NO/2NC, 10 A Model: CA2KN22G7
Grainger
2
$68.90
Schneider IEC Control Relay: DIN-Rail & Surface Relay Mounting, 120V AC Coil Volt, 2NO/2NC, 10 A Model: CA2KN22G7
Grainger
$41.50
Schneider Enclosed Power Relay: DIN-Rail & Surface Mounted, 30 A Current Rating, 120V AC, SPST-NO Model: 725AXXSC3ML-120A
Grainger
$41.50
Schneider Enclosed Power Relay: DIN-Rail & Surface Mounted, 30 A Current Rating, 120V AC, SPST-NO Model: 725AXXSC3ML-120A
Grainger
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
76
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$24.44
Veris | VMD4B-C120A | Veris Mini Relay/4Pdt/Blade/120Vac | Relays And Contactors - General Purpose Relays
Kele
$24.44
Veris | VMD4B-C120A | Veris Mini Relay/4Pdt/Blade/120Vac | Relays And Contactors - General Purpose Relays
Kele
$68.90
Schneider IEC Control Relay: DIN-Rail & Surface Relay Mounting, 24V AC Coil Volt, 2NO/2NC, 10 A Model: CA2KN22B7
Grainger
$68.90
Schneider IEC Control Relay: DIN-Rail & Surface Relay Mounting, 24V AC Coil Volt, 2NO/2NC, 10 A Model: CA2KN22B7
Grainger
$14.56
Veris | VMD2B-C120A | Veris Mini Relay/Dpdt/Blade/120Vac | Relays And Contactors - General Purpose Relays
Kele
1
$14.56
Veris | VMD2B-C120A | Veris Mini Relay/Dpdt/Blade/120Vac | Relays And Contactors - General Purpose Relays
Kele
$36.40
Veris | V120 | ENC Relay/Spdt/24Vac-Dc/120Vac/20A | Relays And Contactors - Enclosed Relays
Kele
$36.40
Veris | V120 | ENC Relay/Spdt/24Vac-Dc/120Vac/20A | Relays And Contactors - Enclosed Relays
Kele