Shop basic relay circuit

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$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$8.76
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 5 Pins/Terminals, SPDT Model: G2R-1-S-DC12(S)
Grainger
$8.76
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 5 Pins/Terminals, SPDT Model: G2R-1-S-DC12(S)
Grainger
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
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31
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
$2.67
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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$14.53
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 8 Pins/Terminals, DPDT Model: LY2-DC12
Grainger
17
$14.53
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 8 Pins/Terminals, DPDT Model: LY2-DC12
Grainger
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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28
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NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
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4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
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$6.97
Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
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3
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Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
Amazon.com
$14.27
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 8 Pins/Terminals, DPDT Model: LY2-AC24
Grainger
141
$14.27
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 8 Pins/Terminals, DPDT Model: LY2-AC24
Grainger
$2.61
1/2/4/6/8 Channel Solid State Relay Module 5V/12V/24V Low Level SSR G3MB-202P 240V 2A Output With
Aliexpress
$2.61
1/2/4/6/8 Channel Solid State Relay Module 5V/12V/24V Low Level SSR G3MB-202P 240V 2A Output With
Aliexpress
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NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
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4
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NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
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$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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$10.96
4 6 8 Channel DC 5V Solid State Relay Module AC 250V 5A Low Level SSR Relay Board Circuit Control
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4 6 8 Channel DC 5V Solid State Relay Module AC 250V 5A Low Level SSR Relay Board Circuit Control
Aliexpress
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1Pcs 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
27% off
$0.67
$0.93
1Pcs 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
$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
$9.99
Fushionsea DC 3.7V 5V 6V 7V 9V 12V Mini Relay Wireless Remote Momentary Switch, 3V -12V Small PCB 433Mhz RF Transmitter Battery Power Circuit Micro
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Fushionsea DC 3.7V 5V 6V 7V 9V 12V Mini Relay Wireless Remote Momentary Switch, 3V -12V Small PCB 433Mhz RF Transmitter Battery Power Circuit Micro
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$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$23.89
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 11 Pins/Terminals, 3PDT Model: MJN3C-DC12
Grainger
$23.89
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 11 Pins/Terminals, 3PDT Model: MJN3C-DC12
Grainger
$35.79
Omron General Purpose Relays: Socket Mounted, 110/120V AC, 8 Pins/Terminals, DPDT, D Socket Model: LY2-0-AC110/120
Grainger
$35.79
Omron General Purpose Relays: Socket Mounted, 110/120V AC, 8 Pins/Terminals, DPDT, D Socket Model: LY2-0-AC110/120
Grainger
$14.53
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V AC, 8 Pins/Terminals, DPDT Model: LY2-AC12
Grainger
$14.53
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V AC, 8 Pins/Terminals, DPDT Model: LY2-AC12
Grainger
$23.10
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V DC, 8 Pins/Terminals, DPDT Model: MKS2PNDC24
Grainger
$23.10
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V DC, 8 Pins/Terminals, DPDT Model: MKS2PNDC24
Grainger
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$9.47
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V DC, 5 Pins/Terminals, SPDT Model: G2R-1-S-DC24(S)
Grainger
1
$9.47
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V DC, 5 Pins/Terminals, SPDT Model: G2R-1-S-DC24(S)
Grainger
$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
$631.00
Siemens 3SK1121-2CB41 SIRIUS Safety Relay Basic Unit, 4NO
PLCHardware.com
$631.00
Siemens 3SK1121-2CB41 SIRIUS Safety Relay Basic Unit, 4NO
PLCHardware.com
$2.67
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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$18.46
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
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$18.46
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
$389.00
Siemens | 3SK2112-1AA10 | Safety Relay Basic Unit |
Classic Automation
$389.00
Siemens | 3SK2112-1AA10 | Safety Relay Basic Unit |
Classic Automation
$7.33
RC Snubber Circuit Module, RC Absorption Circuit Module Relay Circuit Module For 5-400V AC/DC Inductive Loads With Varistor Anti Interference Module
Amazon.com
1
$7.33
RC Snubber Circuit Module, RC Absorption Circuit Module Relay Circuit Module For 5-400V AC/DC Inductive Loads With Varistor Anti Interference Module
Amazon.com
$12.46
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 120V AC, 5 Pins/Terminals, SPDT Model: G2R-1-S-AC120(S)
Grainger
7
$12.46
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 120V AC, 5 Pins/Terminals, SPDT Model: G2R-1-S-AC120(S)
Grainger
$384.99
SIEMENS SIRIUS Safety Relay Basic Unit Advanced Series Relay Enabling Circuits 3 NO, 3SK1121-2AB40
Zoro.com
$384.99
SIEMENS SIRIUS Safety Relay Basic Unit Advanced Series Relay Enabling Circuits 3 NO, 3SK1121-2AB40
Zoro.com
$1.76
1 Channel 5V Relay 6-30V Relay Module OFF/ON Switch Trigger Time Delay Circuit Timer Cycle 999
Aliexpress
$1.76
1 Channel 5V Relay 6-30V Relay Module OFF/ON Switch Trigger Time Delay Circuit Timer Cycle 999
Aliexpress
$152.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F2-08TR)
Automation Direct
$152.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F2-08TR)
Automation Direct
$13.91
Schneider General Purpose Relay: Socket Mounted, 15 A Current Rating, 12V DC, 8 Pins/Terminals, DPDT Model: RPM22JD
Grainger
$13.91
Schneider General Purpose Relay: Socket Mounted, 15 A Current Rating, 12V DC, 8 Pins/Terminals, DPDT Model: RPM22JD
Grainger
$55.89
$64.39
UL Listed 10Pcs 5 Volt Relay Miniature Power Relay 5V DC 6Amp SPDT With LED Indicator Socket Base 41F-1Z-C2 With Jumper Separator Socket Base DIN Rail
Amazon.com
42
Free shipping
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$55.89
$64.39
UL Listed 10Pcs 5 Volt Relay Miniature Power Relay 5V DC 6Amp SPDT With LED Indicator Socket Base 41F-1Z-C2 With Jumper Separator Socket Base DIN Rail
Amazon.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
How to Use Relay in a Circuit
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Shop basic relay circuit

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$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$8.76
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 5 Pins/Terminals, SPDT Model: G2R-1-S-DC12(S)
Grainger
$8.76
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 5 Pins/Terminals, SPDT Model: G2R-1-S-DC12(S)
Grainger
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
31
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 8 Pins/Terminals, DPDT Model: LY2-DC12
Grainger
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Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 8 Pins/Terminals, DPDT Model: LY2-DC12
Grainger
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NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
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4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
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Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
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Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
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Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 8 Pins/Terminals, DPDT Model: LY2-AC24
Grainger
141
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Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 8 Pins/Terminals, DPDT Model: LY2-AC24
Grainger
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1/2/4/6/8 Channel Solid State Relay Module 5V/12V/24V Low Level SSR G3MB-202P 240V 2A Output With
Aliexpress
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1/2/4/6/8 Channel Solid State Relay Module 5V/12V/24V Low Level SSR G3MB-202P 240V 2A Output With
Aliexpress
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NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
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4
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NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
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ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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4 6 8 Channel DC 5V Solid State Relay Module AC 250V 5A Low Level SSR Relay Board Circuit Control
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4 6 8 Channel DC 5V Solid State Relay Module AC 250V 5A Low Level SSR Relay Board Circuit Control
Aliexpress
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1Pcs 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
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$0.93
1Pcs 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
$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
$9.99
Fushionsea DC 3.7V 5V 6V 7V 9V 12V Mini Relay Wireless Remote Momentary Switch, 3V -12V Small PCB 433Mhz RF Transmitter Battery Power Circuit Micro
Amazon.com
$9.99
Fushionsea DC 3.7V 5V 6V 7V 9V 12V Mini Relay Wireless Remote Momentary Switch, 3V -12V Small PCB 433Mhz RF Transmitter Battery Power Circuit Micro
Amazon.com
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$23.89
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 11 Pins/Terminals, 3PDT Model: MJN3C-DC12
Grainger
$23.89
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 11 Pins/Terminals, 3PDT Model: MJN3C-DC12
Grainger