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  9. Electrical Relays

Electrical Relays (6,500+ items) - Page 110

Siemens Coupling relay in industrial enclosure 1 changeover contact Wide voltage 3RQ2000-2AW00
Siemens

Coupling relay in industrial enclosure 1 changeover contact Wide voltage

Zoro # G715960979
Mfr # 3RQ2000-2AW00
product price: 
$87.75
/ea
Sold in mult. of 6 for $526.50
Te Connectivity PCB, PCB Relay, 1 A, Long Lead 1617139-3
Te Connectivity

PCB, PCB Relay, 1 A, Long Lead

Zoro # G600973299
Mfr # 1617139-3
product price: 
$75.45
/ea
Sold in mult. of 3 for $226.35
Siemens Voltage relays AC 230/400V 2CO 0.9/1.3+0.7/1.1 With transparent cap 5TT3408
Siemens

Voltage relays AC 230/400V 2CO 0.9/1.3+0.7/1.1 With transparent cap

Zoro # G515873257
Mfr # 5TT3408
product price: 
$507.99
/ea
Siemens Solid-state contactor 3-phase 3RF2 AC 51 / 20 A / 40 Degrees C 48-600 V / 110 V AC 3RF2420-1AB35
Siemens

Solid-state contactor 3-phase 3RF2 AC 51 / 20 A / 40 Degrees C 48-600 V / 110 V AC

Zoro # G815855168
Mfr # 3RF2420-1AB35
product price: 
$430.99
/ea
Sold in mult. of 2 for $861.98
Siemens Timing relay electronic on-delay 2 change-over contacts 3RP2525-2BB30
Siemens

Timing relay electronic on-delay 2 change-over contacts

Zoro # G716041257
Mfr # 3RP2525-2BB30
product price: 
$172.99
/ea
Sold in mult. of 4 for $691.96
Siemens Timing relay electronic OFF delay without control signal or smooth passing 3RP2540-2BW30
Siemens

Timing relay electronic OFF delay without control signal or smooth passing

Zoro # G316041145
Mfr # 3RP2540-2BW30
product price: 
$267.99
/ea
Sold in mult. of 2 for $535.98
Siemens time-delay device adjustable for undervoltage release UVR 110/127V AC/DC 3VW9011-0AE12
Siemens

time-delay device adjustable for undervoltage release UVR 110/127V AC/DC

Zoro # G316127849
Mfr # 3VW9011-0AE12
product price: 
$549.99
/ea
Siemens Thermistor motor protection relay Compact evaluation unit 17.5 mm enclosure 3RN2010-2CW30
Siemens

Thermistor motor protection relay Compact evaluation unit 17.5 mm enclosure

Zoro # G416041137
Mfr # 3RN2010-2CW30
product price: 
$172.99
/ea
Sold in mult. of 4 for $691.96
Siemens Coupling relay in industrial enclosure 3 hard gold-plated changeover 3RQ2000-2CW01
Siemens

Coupling relay in industrial enclosure 3 hard gold-plated changeover

Zoro # G315960980
Mfr # 3RQ2000-2CW01
product price: 
$146.99
/ea
Sold in mult. of 4 for $587.96
Murrelektronik Mico Pro Potential distributor 2 x 2 x 06, Multiplying two channels 5-times , max 20 A each channel 9000-41000-0002206
Murrelektronik

Mico Pro Potential distributor 2 x 2 x 06, Multiplying two channels 5-times , max 20 A each channel

Zoro # G500533630
Mfr # 9000-41000-0002206
product price: 
$173.99
/ea
Te Connectivity PCB, PCB Relay, 1 A, Long Lead 1617127-4
Te Connectivity

PCB, PCB Relay, 1 A, Long Lead

Zoro # G500974587
Mfr # 1617127-4
product price: 
$105.99
/ea
Sold in mult. of 2 for $211.98
Siemens Semiconductor relay 1-phase 3RF2 Width 22.5 mm 3RF2120-2AA45
Siemens

Semiconductor relay 1-phase 3RF2 Width 22.5 mm

Zoro # G015919004
Mfr # 3RF2120-2AA45
product price: 
$94.39
/ea
Sold in mult. of 6 for $566.34
Siemens Positively driven coupling relay in industrial enclosure 2 NO contacts / 1 3RQ1000-1GB00
Siemens

Positively driven coupling relay in industrial enclosure 2 NO contacts / 1

Zoro # G516041242
Mfr # 3RQ1000-1GB00
product price: 
$221.99
/ea
Sold in mult. of 3 for $665.97
Siemens Voltage relays AC 230/400V 0.85 1 CO contact Response delay 0.5 s Return transfer 5TT3414
Siemens

Voltage relays AC 230/400V 0.85 1 CO contact Response delay 0.5 s Return transfer

Zoro # G615873249
Mfr # 5TT3414
product price: 
$217.99
/ea
Sold in mult. of 2 for $435.98
Siemens monitoring relay phase failure phase sequence and asymmetry monitoring 3x 3UG5512-2BR20
Siemens

monitoring relay phase failure phase sequence and asymmetry monitoring 3x

Zoro # G216040163
Mfr # 3UG5512-2BR20
product price: 
$202.99
/ea
Sold in mult. of 3 for $608.97
Siemens Monitoring relay can be mounted to Contactor 3RT2 3RR2143-1AA30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G716040144
Mfr # 3RR2143-1AA30
product price: 
$248.99
/ea
Sold in mult. of 2 for $497.98
Siemens Thermistor motor protection relay Standard evaluation unit 22.5 mm 3RN2010-2BW30
Siemens

Thermistor motor protection relay Standard evaluation unit 22.5 mm

Zoro # G016041223
Mfr # 3RN2010-2BW30
product price: 
$134.99
/ea
Sold in mult. of 3 for $404.97
Siemens Device connector for 3SK2 safety relay Width 22.5 mm for electrical 3ZY1212-2GA00
Siemens

Device connector for 3SK2 safety relay Width 22.5 mm for electrical

Zoro # G016314822
Mfr # 3ZY1212-2GA00
product price: 
$36.69
/ea
Sold in mult. of 14 for $513.66
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 5.2 A / 40 Degrees C 48-600 V / 110-230 3RF3405-1BB26
Siemens

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

Zoro # G115855349
Mfr # 3RF3405-1BB26
product price: 
$397.99
/ea
Sold in mult. of 2 for $795.98
Siemens Thermistor motor protection relay Standard evaluation unit 22.5 mm 3RN2013-1GW30
Siemens

Thermistor motor protection relay Standard evaluation unit 22.5 mm

Zoro # G716041158
Mfr # 3RN2013-1GW30
product price: 
$404.99
/ea
Sold in mult. of 2 for $809.98
Murrelektronik SV-SUB D 9ST.-KL FOR SIGNAL TRANSFER, 125 VAC/DC / 2 A, mounting rail / screw-type terminal 54030
Murrelektronik

SV-SUB D 9ST.-KL FOR SIGNAL TRANSFER, 125 VAC/DC / 2 A, mounting rail / screw-type terminal

Zoro # G600533615
Mfr # 54030
product price: 
$87.65
/ea
Phoenix Contact RIF-1-RPT-LV-24AC/2X21AU Pre-assembled 2903329
Phoenix Contact

RIF-1-RPT-LV-24AC/2X21AU Pre-assembled

Zoro # G816087476
Mfr # 2903329
product price: 
$16.59
/ea
Sold in mult. of 10 for $165.90
Siemens digitally adjustable monitoring relay phase failure phase sequence 3UG5616-2CR20
Siemens

digitally adjustable monitoring relay phase failure phase sequence

Zoro # G515994440
Mfr # 3UG5616-2CR20
product price: 
$438.99
/ea
Sold in mult. of 2 for $877.98
Siemens Timing relay Multifunction 2 change-over contacts 3RP2505-2BT20
Siemens

Timing relay Multifunction 2 change-over contacts

Zoro # G116041215
Mfr # 3RP2505-2BT20
product price: 
$184.99
/ea
Sold in mult. of 2 for $369.98
Siemens Solid-state contactor 1-phase 3RF2 AC 15 / 27.5 A / 40 Degrees C 24-230 V / 3RF2370-3BA22
Siemens

Solid-state contactor 1-phase 3RF2 AC 15 / 27.5 A / 40 Degrees C 24-230 V /

Zoro # G515855352
Mfr # 3RF2370-3BA22
product price: 
$406.99
/ea
Sold in mult. of 2 for $813.98
Siemens Monitoring relay can be mounted to Contactor 3RT2 3RR2143-3AA30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G716040137
Mfr # 3RR2143-3AA30
product price: 
$295.99
/ea
Sold in mult. of 2 for $591.98
Te Connectivity PCB, PCB Relay, 2 A, Pin 1-1617076-3
Te Connectivity

PCB, PCB Relay, 2 A, Pin

Zoro # G400983535
Mfr # 1-1617076-3
product price: 
$911.99
/ea
Siemens Semiconductor relay 1-phase 3RF2 Width 22.5 mm 3RF2120-1BA04
Siemens

Semiconductor relay 1-phase 3RF2 Width 22.5 mm

Zoro # G015918984
Mfr # 3RF2120-1BA04
product price: 
$81.35
/ea
Sold in mult. of 6 for $488.10
Te Connectivity PCB, PCB Relay, 1 A, Long Lead 1617133-3
Te Connectivity

PCB, PCB Relay, 1 A, Long Lead

Zoro # G400973284
Mfr # 1617133-3
product price: 
$60.95
/ea
Sold in mult. of 3 for $182.85
Siemens Monitoring relay can be mounted to Contactor 3RT2 3RR2143-3AW30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G116040140
Mfr # 3RR2143-3AW30
product price: 
$325.99
/ea
Sold in mult. of 2 for $651.98
Siemens Current measuring module Set current 0.3...3 A Overall width 45 mm 3UF7100-1AA00-0
Siemens

Current measuring module Set current 0.3...3 A Overall width 45 mm

Zoro # G615870224
Mfr # 3UF7100-1AA00-0
product price: 
$214.99
/ea
Sold in mult. of 2 for $429.98
Siemens SIRIUS safety relay Basic unit Advanced series 3 electronic enabling 3SK1122-1AB40
Siemens

SIRIUS safety relay Basic unit Advanced series 3 electronic enabling

Zoro # G516039898
Mfr # 3SK1122-1AB40
product price: 
$307.99
/ea
Sold in mult. of 2 for $615.98
Phoenix Contact PLC-RPT- 72UC/21AU/RW PLC-INTERFACE for 2900322
Phoenix Contact

PLC-RPT- 72UC/21AU/RW PLC-INTERFACE for

Zoro # G116104972
Mfr # 2900322
product price: 
$59.29
/ea
Sold in mult. of 10 for $592.90
Siemens Positively driven coupling relay in industrial enclosure 1 NO contact / 1 3RQ1000-1EW00
Siemens

Positively driven coupling relay in industrial enclosure 1 NO contact / 1

Zoro # G816041119
Mfr # 3RQ1000-1EW00
product price: 
$183.99
/ea
Sold in mult. of 3 for $551.97
Siemens Positively driven coupling relay in industrial enclosure 4 NO contacts / 1 3RQ1000-2LW00
Siemens

Positively driven coupling relay in industrial enclosure 4 NO contacts / 1

Zoro # G816041232
Mfr # 3RQ1000-2LW00
product price: 
$238.99
/ea
Sold in mult. of 2 for $477.98
Siemens Monitoring relay can be mounted to Contactor 3RT2 3RR2241-1FA30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G416040178
Mfr # 3RR2241-1FA30
product price: 
$360.99
/ea
Sold in mult. of 2 for $721.98
Electrical Relays (6,500+ items) - Page 110
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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 Overload RelaysMotor Starters, Enclosures & AccessoriesProximity Sensors
Lighting PhotocontrolsSensor AccessoriesElectromechanical TimersSensor Cordsets & ReceptaclesThermal Units
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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