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  5. Industrial Electrical Controls & Automation
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  7. Electrical Switches & Relays
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  9. Electrical Relays

Electrical Relays (6,500+ items) - Page 107

Siemens Timing relay electronic with star-delta wye-delta function 1 NO delayed 3RP2576-2NM20
Siemens

Timing relay electronic with star-delta wye-delta function 1 NO delayed

Zoro # G116041130
Mfr # 3RP2576-2NM20
product price:  $124.99
/ea
Sold in mult. of 3 for $374.97
Siemens Fault signaling relay T5570 230 V AC 5 A Additional detector with transparent cap 5TT3461
Siemens

Fault signaling relay T5570 230 V AC 5 A Additional detector with transparent cap

Zoro # G516041181
Mfr # 5TT3461
product price:  $311.99
/ea
Sold in mult. of 2 for $623.98
Siemens Timing relay electronic slow-operating 1 change-over contact 24 V AC/DC 3RP2025-1AQ30
Siemens

Timing relay electronic slow-operating 1 change-over contact 24 V AC/DC

Zoro # G015281712
Mfr # 3RP2025-1AQ30
product price:  $127.99
/ea
Sold in mult. of 4 for $511.96
Siemens SIRIUS safety relay Output expansion 3RO Power with Relay enabling 3SK1213-2AL20
Siemens

SIRIUS safety relay Output expansion 3RO Power with Relay enabling

Zoro # G516039928
Mfr # 3SK1213-2AL20
product price:  $434.99
/ea
Siemens electronic timing relay off delayed 3RA2832-1DG10
Siemens

electronic timing relay off delayed

Zoro # G415996841
Mfr # 3RA2832-1DG10
product price:  $120.99
/ea
Sold in mult. of 4 for $483.96
Siemens Thermistor motor protection relay Standard evaluation unit 22.5 mm 3RN2010-2BA30
Siemens

Thermistor motor protection relay Standard evaluation unit 22.5 mm

Zoro # G416041144
Mfr # 3RN2010-2BA30
product price:  $124.99
/ea
Sold in mult. of 4 for $499.96
Siemens Current/voltage measuring module V2 Set current 20.200 A 3UF7113-1BA01-0
Siemens

Current/voltage measuring module V2 Set current 20.200 A

Zoro # G316314867
Mfr # 3UF7113-1BA01-0
product price:  $880.99
/ea
Siemens SIRIUS safety relay Basic unit Advanced series 3 electronic enabling 3SK1122-2AB40
Siemens

SIRIUS safety relay Basic unit Advanced series 3 electronic enabling

Zoro # G116039922
Mfr # 3SK1122-2AB40
product price:  $307.99
/ea
Sold in mult. of 2 for $615.98
Siemens Timing relay electronic slow-operating 1 change-over contact 3RP2511-2AW30
Siemens

Timing relay electronic slow-operating 1 change-over contact

Zoro # G816041171
Mfr # 3RP2511-2AW30
product price:  $95.35
/ea
Sold in mult. of 5 for $476.75
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 Monitoring relay can be mounted to Contactor 3RT2 3RR2242-2FA30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G616040145
Mfr # 3RR2242-2FA30
product price:  $349.99
/ea
Sold in mult. of 2 for $699.98
Te Connectivity PCB, PCB Relay, 1 A, Long Lead 1617126-7
Te Connectivity

PCB, PCB Relay, 1 A, Long Lead

Zoro # G000974599
Mfr # 1617126-7
product price:  $84.99
/ea
Sold in mult. of 50 for $4,249.50
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 3RQ1000-2EW00
Siemens

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

Zoro # G016041124
Mfr # 3RQ1000-2EW00
product price:  $183.99
/ea
Sold in mult. of 3 for $551.97
Siemens I-system Motion Detector relay output 230 VAC 50/60Hz 2300W 1150VA 5TC1585
Siemens

I-system Motion Detector relay output 230 VAC 50/60Hz 2300W 1150VA

Zoro # G316041251
Mfr # 5TC1585
product price:  $272.99
/ea
Sold in mult. of 2 for $545.98
Siemens Thermistor motor protection relay Standard evaluation unit 22.5 mm 3RN2013-2BW30
Siemens

Thermistor motor protection relay Standard evaluation unit 22.5 mm

Zoro # G816041140
Mfr # 3RN2013-2BW30
product price:  $297.99
/ea
Sold in mult. of 2 for $595.98
Siemens Timing relay electronic OFF delay without control signal or smooth passing 3RP2540-2AB30
Siemens

Timing relay electronic OFF delay without control signal or smooth passing

Zoro # G516041259
Mfr # 3RP2540-2AB30
product price:  $203.99
/ea
Sold in mult. of 3 for $611.97
Siemens SIRIUS safety relay Output expansion 3RO Power with Relay enabling 3SK1213-1AL20
Siemens

SIRIUS safety relay Output expansion 3RO Power with Relay enabling

Zoro # G316039906
Mfr # 3SK1213-1AL20
product price:  $434.99
/ea
Siemens Monitoring relay can be mounted to Contactor 3RT2 3RR2241-2FW30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G716040175
Mfr # 3RR2241-2FW30
product price:  $373.99
/ea
Sold in mult. of 2 for $747.98
Siemens Monitoring relay can be mounted to Contactor 3RT2 3RR2141-1AA30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G816040167
Mfr # 3RR2141-1AA30
product price:  $164.99
/ea
Sold in mult. of 3 for $494.97
Siemens SIMATIC ET 200SP HA Signal relay module changeover contact 6DL1132-6HD50-0PK0
Siemens

SIMATIC ET 200SP HA Signal relay module changeover contact

Zoro # G716041233
Mfr # 6DL1132-6HD50-0PK0
product price:  $762.99
/ea
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 short-time 20 ms With transparent cap 5TT3407
Siemens

Voltage relays AC 230/400V 2CO short-time 20 ms With transparent cap

Zoro # G215873250
Mfr # 5TT3407
product price:  $507.99
/ea
Te Connectivity PCB, PCB Relay, 1 A, Long Lead 1-1617128-9
Te Connectivity

PCB, PCB Relay, 1 A, Long Lead

Zoro # G200974986
Mfr # 1-1617128-9
product price:  $99.99
/ea
Sold in mult. of 2 for $199.98
Phoenix Contact RF-Z0018 Color-coding Color: 1620625
Phoenix Contact

RF-Z0018 Color-coding Color:

Zoro # G716088290
Mfr # 1620625
product price:  $2.39
/ea
Sold in mult. of 50 for $119.50
Phoenix Contact DEK-OE- 5DC/ 5DC/100KHZ-G Input 2964542
Phoenix Contact

DEK-OE- 5DC/ 5DC/100KHZ-G Input

Zoro # G016087788
Mfr # 2964542
product price:  $188.99
/ea
Murrelektronik MB CAP ULTRA ADD-ON-MODULE, IN: 0-26, 4VDC OUT:0-26, 4VDC/3A for max.1A/21S 85462
Murrelektronik

MB CAP ULTRA ADD-ON-MODULE, IN: 0-26, 4VDC OUT:0-26, 4VDC/3A for max.1A/21S

Zoro # G000533642
Mfr # 85462
product price:  $923.99
/ea
Siemens insulation monitoring relay for non-grounded IT networks up to 250 V AC 3UG4582-2AW31
Siemens

insulation monitoring relay for non-grounded IT networks up to 250 V AC

Zoro # G816314794
Mfr # 3UG4582-2AW31
product price:  $658.99
/ea
Siemens Timing relay electronic with star-delta wye-delta function 1 NO delayed 3RP2574-1NW30
Siemens

Timing relay electronic with star-delta wye-delta function 1 NO delayed

Zoro # G016041209
Mfr # 3RP2574-1NW30
product price:  $136.99
/ea
Sold in mult. of 4 for $547.96
Siemens Solid State Relay, 1 Phase, Ring Cable, DIN Rail or Panel Mount 3RF2350-3AA02
Siemens

Solid State Relay, 1 Phase, Ring Cable, DIN Rail or Panel Mount

Zoro # G415874859
Mfr # 3RF2350-3AA02
product price:  $196.99
/ea
Sold in mult. of 3 for $590.97
Phoenix Contact PLC-RPT-110UC/21HC/RW PLC-INTERFACE for 2900326
Phoenix Contact

PLC-RPT-110UC/21HC/RW PLC-INTERFACE for

Zoro # G216105077
Mfr # 2900326
product price:  $118.99
/ea
Sold in mult. of 10 for $1,189.90
Siemens electronic timing relay off delayed 3RA2812-2DW10
Siemens

electronic timing relay off delayed

Zoro # G115996851
Mfr # 3RA2812-2DW10
product price:  $113.99
/ea
Sold in mult. of 4 for $455.96
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:  $175.99
/ea
Sold in mult. of 2 for $351.98
Siemens Current/voltage measuring module for dry-running protection of 3UF7120-1AA01-0
Siemens

Current/voltage measuring module for dry-running protection of

Zoro # G816314862
Mfr # 3UF7120-1AA01-0
product price:  $2,399.99
/ea
Te Connectivity PCB, PCB Relay, 1 A, Long Lead 4-1617352-0
Te Connectivity

PCB, PCB Relay, 1 A, Long Lead

Zoro # G200975976
Mfr # 4-1617352-0
product price:  $162.99
/ea
Sold in mult. of 50 for $8,149.50
Siemens Monitoring relay can be mounted to Contactor 3RT2 3RR2243-3FW30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G016040172
Mfr # 3RR2243-3FW30
product price:  $525.99
/ea
Electrical Relays (6,500+ items) - Page 107
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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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