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  7. Electrical Switches & Relays
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  9. Electrical Relays

Electrical Relays (7,000+ items) - Page 139

Siemens coupling contactor relay 4 NO 3RH2140-2JC40
Siemens

coupling contactor relay 4 NO

Zoro # G815960961
Mfr # 3RH2140-2JC40
product price: 
$70.15
/ea
Sold in mult. of 6 for $420.90
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 12.5 A / 40 Degrees C 48-480 V / 24 V 3RF3412-1BB04
Siemens

Solid-state contactor 3-phase 3RF3 AC 53 / 12.5 A / 40 Degrees C 48-480 V / 24 V

Zoro # G815855724
Mfr # 3RF3412-1BB04
product price: 
$407.99
/ea
Sold in mult. of 2 for $815.98
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 16 A / 40 Degrees C 48-600 V / 110-230 3RF3416-2BB26
Siemens

Solid-state contactor 3-phase 3RF3 AC 53 / 16 A / 40 Degrees C 48-600 V / 110-230

Zoro # G815855403
Mfr # 3RF3416-2BB26
product price: 
$530.99
/ea
Sold in mult. of 2 for $1,061.98
Siemens switching relay with 1 CO contact for 230V AC 16A control 12V AC 5TT4206-3
Siemens

switching relay with 1 CO contact for 230V AC 16A control 12V AC

Zoro # G815963290
Mfr # 5TT4206-3
product price: 
$57.95
/ea
Sold in mult. of 7 for $405.65
Siemens coupling contactor relay 3 NO + 1 NC 3RH2131-2KV40
Siemens

coupling contactor relay 3 NO + 1 NC

Zoro # G815960978
Mfr # 3RH2131-2KV40
product price: 
$64.69
/ea
Sold in mult. of 6 for $388.14
Siemens Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount 3RF2310-1AA26
Siemens

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

Zoro # G815855120
Mfr # 3RF2310-1AA26
product price: 
$172.99
/ea
Sold in mult. of 3 for $518.97
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 12.5 A / 40 Degrees C 48-600 V / 24 V 3RF3412-1BB06
Siemens

Solid-state contactor 3-phase 3RF3 AC 53 / 12.5 A / 40 Degrees C 48-600 V / 24 V

Zoro # G815855663
Mfr # 3RF3412-1BB06
product price: 
$476.99
/ea
Sold in mult. of 2 for $953.98
Siemens Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount 3RF2350-1BA04
Siemens

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

Zoro # G815874893
Mfr # 3RF2350-1BA04
product price: 
$196.99
/ea
Sold in mult. of 3 for $590.97
Siemens Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount 3RF2330-1BA06
Siemens

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

Zoro # G715855176
Mfr # 3RF2330-1BA06
product price: 
$181.99
/ea
Sold in mult. of 3 for $545.97
Lowell Momentary Switch Module MSM2
Lowell

Momentary Switch Module

Zoro # G723572751
Mfr # MSM2
product price: 
$196.99
/ea
Siemens switching relay with 1 CO contact for 230V AC 16A control 8V AC 5TT4206-4
Siemens

switching relay with 1 CO contact for 230V AC 16A control 8V AC

Zoro # G715963291
Mfr # 5TT4206-4
product price: 
$59.49
/ea
Sold in mult. of 7 for $416.43
Siemens Digital monitoring relay Speed monitoring from 0.1 to 2200 rpm Overshoot 3UG4651-2AW30
Siemens

Digital monitoring relay Speed monitoring from 0.1 to 2200 rpm Overshoot

Zoro # G715994424
Mfr # 3UG4651-2AW30
product price: 
$567.99
/ea
Sold in mult. of 2 for $1,135.98
Murrelektronik MODULE FOR CONTROL SYSTEMS, MMP 7 (solder-tag pairs) 62004
Murrelektronik

MODULE FOR CONTROL SYSTEMS, MMP 7 (solder-tag pairs)

Zoro # G700691901
Mfr # 62004
product price: 
$202.99
/ea
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 9.2 A / 40 Degrees C 48-480 V / 110-230 3RF3410-1BB24
Siemens

Solid-state contactor 3-phase 3RF3 AC 53 / 9.2 A / 40 Degrees C 48-480 V / 110-230

Zoro # G715855312
Mfr # 3RF3410-1BB24
product price: 
$352.99
/ea
Sold in mult. of 2 for $705.98
Siemens Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm 3RF2150-1BA04
Siemens

Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm

Zoro # G715918994
Mfr # 3RF2150-1BA04
product price: 
$99.35
/ea
Sold in mult. of 5 for $496.75
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 12.5 A / 40 Degrees C 48-480 V / 3RF3412-2BB24
Siemens

Solid-state contactor 3-phase 3RF3 AC 53 / 12.5 A / 40 Degrees C 48-480 V /

Zoro # G715855664
Mfr # 3RF3412-2BB24
product price: 
$482.99
/ea
Sold in mult. of 2 for $965.98
Murrelektronik MKS - RA 12/24 VDC OUTPUT RELAY, IN: 24 VDC - OUT: 250 VAC/DC / 8 A, 2 C/O  - 22, 5 mm screw term 67147
Murrelektronik

MKS - RA 12/24 VDC OUTPUT RELAY, IN: 24 VDC - OUT: 250 VAC/DC / 8 A, 2 C/O - 22, 5 mm screw term

Zoro # G700533591
Mfr # 67147
product price: 
$96.59
/ea
Siemens Semiconductor relay 1-phase 3RF2 Width 45 mm 3RF2020-1AA45
Siemens

Semiconductor relay 1-phase 3RF2 Width 45 mm

Zoro # G715368430
Mfr # 3RF2020-1AA45
product price: 
$113.99
/ea
Sold in mult. of 6 for $683.94
Siemens Voltage relay T5570 AC 230/400V 2CO 0.7/0.95 Asymmetry with transparent cap 5TT3406
Siemens

Voltage relay T5570 AC 230/400V 2CO 0.7/0.95 Asymmetry with transparent cap

Zoro # G715873255
Mfr # 5TT3406
product price: 
$414.99
/ea
Siemens switching relay with 2 NO contact for 230V AC 16A control 115V AC 5TT4202-1
Siemens

switching relay with 2 NO contact for 230V AC 16A control 115V AC

Zoro # G715963314
Mfr # 5TT4202-1
product price: 
$53.49
/ea
Sold in mult. of 8 for $427.92
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
Siemens Solid-state contactor 3-phase 3RF3 AC 53 / 16 A / 40 Degrees C 48-600 V / 24 V DC 3RF3416-1BB06
Siemens

Solid-state contactor 3-phase 3RF3 AC 53 / 16 A / 40 Degrees C 48-600 V / 24 V DC

Zoro # G715855503
Mfr # 3RF3416-1BB06
product price: 
$524.99
/ea
Sold in mult. of 2 for $1,049.98
Murrelektronik MIRO 12.4 24V-2S OUTPUT RELAY, IN: 24 VAC/DC - OUT: 250 VAC/DC 6 A, 2 NO 6652106
Murrelektronik

MIRO 12.4 24V-2S OUTPUT RELAY, IN: 24 VAC/DC - OUT: 250 VAC/DC 6 A, 2 NO

Zoro # G700533584
Mfr # 6652106
product price: 
$113.99
/ea
Lowell Sequencer 8-step SEQ-8
Lowell

Sequencer 8-step

Zoro # G723572836
Mfr # SEQ-8
product price: 
$510.99
/ea
Murrelektronik MIRO TR 90-250VAC FK OPTO-COUPLER MODULE, IN: 250 VAC/DC - OUT: 48 VDC / 0, 5 A, 6, 2 mm spring clamp 6652507
Murrelektronik

MIRO TR 90-250VAC FK OPTO-COUPLER MODULE, IN: 250 VAC/DC - OUT: 48 VDC / 0, 5 A, 6, 2 mm spring clamp

Zoro # G700533539
Mfr # 6652507
product price: 
$79.49
/ea
Siemens switching relay with 2 CO contact for 230V AC 16A control 115V AC 5TT4207-1
Siemens

switching relay with 2 CO contact for 230V AC 16A control 115V AC

Zoro # G715963284
Mfr # 5TT4207-1
product price: 
$92.39
/ea
Sold in mult. of 5 for $461.95
Siemens Voltage relay T5570 AC 230/400V 1CO 0.7/0.9 With transparent cap 5TT3400
Siemens

Voltage relay T5570 AC 230/400V 1CO 0.7/0.9 With transparent cap

Zoro # G715873248
Mfr # 5TT3400
product price: 
$208.99
/ea
Sold in mult. of 2 for $417.98
Siemens switching relay with 2 CO contact for 230V AC 16A control 24V AC 5TT4207-2
Siemens

switching relay with 2 CO contact for 230V AC 16A control 24V AC

Zoro # G715963307
Mfr # 5TT4207-2
product price: 
$85.99
/ea
Sold in mult. of 5 for $429.95
Siemens Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount 3RF2330-1BA26
Siemens

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

Zoro # G715855107
Mfr # 3RF2330-1BA26
product price: 
$205.99
/ea
Sold in mult. of 3 for $617.97
Siemens Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount 3RF2340-1AA26
Siemens

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

Zoro # G715874894
Mfr # 3RF2340-1AA26
product price: 
$219.99
/ea
Sold in mult. of 3 for $659.97
Siemens Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm 3RF2170-1AA45
Siemens

Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm

Zoro # G715263735
Mfr # 3RF2170-1AA45
product price: 
$132.99
/ea
Sold in mult. of 5 for $664.95
Siemens Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount 3RF2310-1AA22
Siemens

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

Zoro # G715855121
Mfr # 3RF2310-1AA22
product price: 
$162.99
/ea
Sold in mult. of 4 for $651.96
Siemens Solid-state contactor 1-phase 3RF2 AC 51 / 10 A / 40 Degrees C 48-460 V / 24 V DC 3RF2310-2AA04
Siemens

Solid-state contactor 1-phase 3RF2 AC 51 / 10 A / 40 Degrees C 48-460 V / 24 V DC

Zoro # G715874887
Mfr # 3RF2310-2AA04
product price: 
$165.99
/ea
Sold in mult. of 4 for $663.96
Siemens Current monitoring relay for IO-Link can be mounted to Contactor 3RR2442-2AA40
Siemens

Current monitoring relay for IO-Link can be mounted to Contactor

Zoro # G715870230
Mfr # 3RR2442-2AA40
product price: 
$522.99
/ea
Siemens Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm 3RF2150-1BA06
Siemens

Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm

Zoro # G715918987
Mfr # 3RF2150-1BA06
product price: 
$158.99
/ea
Sold in mult. of 4 for $635.96
Siemens switching relay with 1 CO contact for 230V AC 16A control 115V AC 5TT4206-1
Siemens

switching relay with 1 CO contact for 230V AC 16A control 115V AC

Zoro # G615963308
Mfr # 5TT4206-1
product price: 
$54.69
/ea
Sold in mult. of 6 for $328.14
Electrical Relays (7,000+ items) - Page 139
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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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