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  7. Electrical Switches & Relays
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  9. Electrical Relays

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

Siemens device termination connector for safety relay 3SK1 / 3RQ1 width 17.5 mm 3ZY1212-1DA00
Siemens

device termination connector for safety relay 3SK1 / 3RQ1 width 17.5 mm

Zoro # G416314798
Mfr # 3ZY1212-1DA00
product price:  $39.69
/ea
Sold in mult. of 13 for $515.97
Siemens Timing relay electronic ON delay 1 change-over contact 7PV1512-1AQ30
Siemens

Timing relay electronic ON delay 1 change-over contact

Zoro # G316041183
Mfr # 7PV1512-1AQ30
product price:  $66.39
/ea
Sold in mult. of 8 for $531.12
Siemens Solid-state contactor 1-phase 3RF2 AC 51 / 20 A / 40 °C 48-460 V / 4-30 V 3RF2320-3AA44
Siemens

Solid-state contactor 1-phase 3RF2 AC 51 / 20 A / 40 °C 48-460 V / 4-30 V

Zoro # G115874869
Mfr # 3RF2320-3AA44
product price:  $108.99
/ea
Sold in mult. of 4 for $435.96
Siemens Timing relay Multifunction 2 change-over contacts 3RP2505-1BT20
Siemens

Timing relay Multifunction 2 change-over contacts

Zoro # G716041264
Mfr # 3RP2505-1BT20
product price:  $220.99
/ea
Sold in mult. of 2 for $441.98
Siemens coupling contactor relay 3 NO + 1 NC 3RH2131-2LB40-1AA0
Siemens

coupling contactor relay 3 NO + 1 NC

Zoro # G015960969
Mfr # 3RH2131-2LB40-1AA0
product price:  $56.79
/ea
Sold in mult. of 6 for $340.74
Siemens monitoring relay phase failure phase sequence and asymmetry monitoring 3x 3UG5512-1AR21
Siemens

monitoring relay phase failure phase sequence and asymmetry monitoring 3x

Zoro # G616040169
Mfr # 3UG5512-1AR21
product price:  $192.99
/ea
Sold in mult. of 3 for $578.97
Siemens SIRIUS safety relay Output expansion 4RO with relay enabling circuits 4 NO 3SK1211-2BB00
Siemens

SIRIUS safety relay Output expansion 4RO with relay enabling circuits 4 NO

Zoro # G216039938
Mfr # 3SK1211-2BB00
product price:  $399.99
/ea
Sold in mult. of 2 for $799.98
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 ATC6 expansion module 2DI/2DO Relay Accessory for ATC6300 and ATC6500 3KC9000-8TL64
Siemens

ATC6 expansion module 2DI/2DO Relay Accessory for ATC6300 and ATC6500

Zoro # G116314821
Mfr # 3KC9000-8TL64
product price:  $1,127.99
/ea
Siemens Positively driven coupling relay in industrial enclosure 2 NO contacts / 2 3RQ1000-1HW00
Siemens

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

Zoro # G716041240
Mfr # 3RQ1000-1HW00
product price:  $212.99
/ea
Sold in mult. of 3 for $638.97
Siemens Positively driven coupling relay in industrial enclosure 4 NO contacts / 1 3RQ1000-2LB00
Siemens

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

Zoro # G716041165
Mfr # 3RQ1000-2LB00
product price:  $220.99
/ea
Sold in mult. of 3 for $662.97
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 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:  $182.99
/ea
Sold in mult. of 4 for $731.96
Siemens Level relay T5570 230 V AC 4A min/max With transparent cap 5TT3435
Siemens

Level relay T5570 230 V AC 4A min/max With transparent cap

Zoro # G216041221
Mfr # 5TT3435
product price:  $317.99
/ea
Sold in mult. of 2 for $635.98
Siemens Current/voltage measuring module V2 Set current 63.630 A 3UF7114-1BA01-0
Siemens

Current/voltage measuring module V2 Set current 63.630 A

Zoro # G416314859
Mfr # 3UF7114-1BA01-0
product price:  $974.99
/ea
Siemens Positively driven coupling relay in industrial enclosure 1 NO contact / 1 3RQ1000-2EB00
Siemens

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

Zoro # G616041197
Mfr # 3RQ1000-2EB00
product price:  $168.99
/ea
Sold in mult. of 3 for $506.97
Siemens Current/voltage measuring module for dry-running protection of 3UF7124-1BA01-0
Siemens

Current/voltage measuring module for dry-running protection of

Zoro # G716314863
Mfr # 3UF7124-1BA01-0
product price:  $2,753.99
/ea
Siemens Timing relay Multifunction 1 change-over contact 3RP2505-2AB30
Siemens

Timing relay Multifunction 1 change-over contact

Zoro # G216041207
Mfr # 3RP2505-2AB30
product price:  $232.99
/ea
Sold in mult. of 3 for $698.97
Siemens analog monitoring relay voltage monitoring from 10 to 600 V AC/DC overshoot 3UG5532-2AW30
Siemens

analog monitoring relay voltage monitoring from 10 to 600 V AC/DC overshoot

Zoro # G016040141
Mfr # 3UG5532-2AW30
product price:  $232.99
/ea
Sold in mult. of 2 for $465.98
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 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
Te Connectivity PCB, PCB Relay, 1 A, Long Lead 1617146-6
Te Connectivity

PCB, PCB Relay, 1 A, Long Lead

Zoro # G100975052
Mfr # 1617146-6
product price:  $143.99
/ea
Sold in mult. of 46 for $6,623.54
Siemens monitoring relay phase failure phase sequence and asymmetry monitoring 3x 3UG5512-2BR21
Siemens

monitoring relay phase failure phase sequence and asymmetry monitoring 3x

Zoro # G516040160
Mfr # 3UG5512-2BR21
product price:  $223.99
/ea
Sold in mult. of 2 for $447.98
Murrelektronik DEMAGNETIZER WITH ALARM CONTACT 446142
Murrelektronik

DEMAGNETIZER WITH ALARM CONTACT

Zoro # G100533559
Mfr # 446142
product price:  $867.99
/ea
Murrelektronik EUROCARD HOLDER, SKP 64/IC, mounting rail / screw-type terminal 63043
Murrelektronik

EUROCARD HOLDER, SKP 64/IC, mounting rail / screw-type terminal

Zoro # G700691987
Mfr # 63043
product price:  $334.99
/ea
Siemens SIRIUS safety relay Input expansion Advanced Input expansion for an 3SK1220-2AB40
Siemens

SIRIUS safety relay Input expansion Advanced Input expansion for an

Zoro # G815918986
Mfr # 3SK1220-2AB40
product price:  $239.99
/ea
Sold in mult. of 2 for $479.98
Siemens Multifunctional module 4 inputs and 2 relay outputs 3UF7600-1AB01-0
Siemens

Multifunctional module 4 inputs and 2 relay outputs

Zoro # G416041168
Mfr # 3UF7600-1AB01-0
product price:  $468.99
/ea
Siemens Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount 3RF2320-1CA02
Siemens

Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount

Zoro # G115855189
Mfr # 3RF2320-1CA02
product price:  $138.99
/ea
Sold in mult. of 4 for $555.96
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 7.4 A / 40 Degrees C 48-480 V / 110-230 3RF3410-1BD24
Siemens

Solid-state contactor 3-phase 3RF3 AC 53 / 7.4 A / 40 Degrees C 48-480 V / 110-230

Zoro # G215855256
Mfr # 3RF3410-1BD24
product price:  $674.99
/ea
Siemens Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm 3RF2150-2AA14
Siemens

Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm

Zoro # G615918995
Mfr # 3RF2150-2AA14
product price:  $86.49
/ea
Sold in mult. of 5 for $432.45
Schneider Electric Socket, Plug-In Relay, 6 A, Pin RXM4AB1MD
Schneider Electric

Socket, Plug-In Relay, 6 A, Pin

Zoro # G600905740
Mfr # RXM4AB1MD
product price:  $7.39
/ea
Sold in mult. of 10 for $73.90
Te Connectivity PCB, PCB Relay, 1 A, Pin 8-1617542-7
Te Connectivity

PCB, PCB Relay, 1 A, Pin

Zoro # G100976882
Mfr # 8-1617542-7
product price:  $87.99
/ea
Sold in mult. of 2 for $175.98
Siemens Positively driven coupling relay in industrial enclosure 4 NO contacts / 1 3RQ1000-1LB00
Siemens

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

Zoro # G416041243
Mfr # 3RQ1000-1LB00
product price:  $220.99
/ea
Sold in mult. of 3 for $662.97
Siemens ATC6 expansion module 2DO Relay Accessory for ATC6300 and ATC6500 3KC9000-8TL63
Siemens

ATC6 expansion module 2DO Relay Accessory for ATC6300 and ATC6500

Zoro # G516314810
Mfr # 3KC9000-8TL63
product price:  $941.99
/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:  $100.99
/ea
Sold in mult. of 2 for $201.98
Siemens Monitoring relay can be mounted to Contactor 3RT2 3RR2243-1FW30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G516040139
Mfr # 3RR2243-1FW30
product price:  $525.99
/ea
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.

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