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  1. Home
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  3. Electrical Supplies
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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 143

Siemens Solid State Relay, 1 Phase, Screw, DIN Rail or Panel Mount 3RF2330-1BA02
Siemens

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

Zoro # G115855226
Mfr # 3RF2330-1BA02
product price: 
$163.99
/ea
Sold in mult. of 4 for $655.96
Omron Socket, General Purpose Relay, Square, 1 A, 14 Pins, Plug-in MYQ4-AC110/120
Omron

Socket, General Purpose Relay, Square, 1 A, 14 Pins, Plug-in

Zoro # G208538906
Mfr # MYQ4-AC110/120
product price: 
$45.19
/ea
No Product Image Available
Rational

Solid State Relay

Zoro # G8182127
Mfr # 40.00.453P
product price: 
$159.99
/ea
No Product Image Available
Te Connectivity

General-Purpose Relay , DPDT, 120V AC, 30A

Zoro # G915093897
Mfr # T92P11A22-120
product price: 
$49.29
/ea
Idec RH Relay SPDT w/ Light RH1B-ULAC240V
Idec

RH Relay SPDT w/ Light

Zoro # G015279214
Mfr # RH1B-ULAC240V
product price: 
$36.79
/ea
Phoenix Contact PLC-OSC- 24DC/ 48DC/100/SEN 2966773
Phoenix Contact

PLC-OSC- 24DC/ 48DC/100/SEN

Zoro # G616105127
Mfr # 2966773
product price: 
$44.29
/ea
Sold in mult. of 10 for $442.90
Phoenix Contact RIF-1-RPT-LDP-24DC/1X21MS Pre-assembled 2905289
Phoenix Contact

RIF-1-RPT-LDP-24DC/1X21MS Pre-assembled

Zoro # G716087477
Mfr # 2905289
product price: 
$19.15
/ea
Sold in mult. of 10 for $191.50
Phoenix Contact DIN Rail, Relay, 10 A, Push-in 2900297
Phoenix Contact

DIN Rail, Relay, 10 A, Push-in

Zoro # G416105143
Mfr # 2900297
product price: 
$46.99
/ea
Sold in mult. of 10 for $469.90
Dwyer Instruments Dual channel leak detection relay, 10k to 25k ohm adjustable. DLD-ACY
Dwyer Instruments

Dual channel leak detection relay, 10k to 25k ohm adjustable.

Zoro # G810390596
Mfr # DLD-ACY
product price: 
$441.99
/ea
Omron Custom Relay, 106 mA, 4 Pins, Quick Connect G2R-1A-T DC5
Omron

Custom Relay, 106 mA, 4 Pins, Quick Connect

Zoro # G810190455
Mfr # G2R-1A-T DC5
product price: 
$10.29
/ea
Phoenix Contact PLC-RPT- 24DC/21AU/MS PLC-INTERFACE 2909672
Phoenix Contact

PLC-RPT- 24DC/21AU/MS PLC-INTERFACE

Zoro # G816105064
Mfr # 2909672
product price: 
$42.25
/ea
Sold in mult. of 10 for $422.50
Idec Relay Plug-In 3PDT 10A 6VAC RR3B-UAC6V
Idec

Relay Plug-In 3PDT 10A 6VAC

Zoro # G615279645
Mfr # RR3B-UAC6V
product price: 
$24.85
/ea
Phoenix Contact PLC-BSC- 5DC/21 6.2 mm PLC basic 2980225
Phoenix Contact

PLC-BSC- 5DC/21 6.2 mm PLC basic

Zoro # G516104954
Mfr # 2980225
product price: 
$21.55
/ea
Sold in mult. of 10 for $215.50
Phoenix Contact DIN Rail, Relay, 10 A, Push-in 2909532
Phoenix Contact

DIN Rail, Relay, 10 A, Push-in

Zoro # G616105196
Mfr # 2909532
product price: 
$43.89
/ea
Sold in mult. of 10 for $438.90
Phoenix Contact PLC-RPT- 24UC/21-21AU PLC-INTERFACE 2900339
Phoenix Contact

PLC-RPT- 24UC/21-21AU PLC-INTERFACE

Zoro # G916105223
Mfr # 2900339
product price: 
$57.25
/ea
Sold in mult. of 10 for $572.50
Phoenix Contact PLC-RPT- 24UC/21AU/MS PLC-INTERFACE 2909673
Phoenix Contact

PLC-RPT- 24UC/21AU/MS PLC-INTERFACE

Zoro # G316105199
Mfr # 2909673
product price: 
$44.29
/ea
Sold in mult. of 10 for $442.90
Dwyer Instruments Single channel leak detection relay, 470 to 10k ohm adjustable sensitivity SLD-ACY
Dwyer Instruments

Single channel leak detection relay, 470 to 10k ohm adjustable sensitivity

Zoro # G910390595
Mfr # SLD-ACY
product price: 
$312.99
/ea
Phoenix Contact RIF-LDM-12-24 DC Plug-in module for 2907057
Phoenix Contact

RIF-LDM-12-24 DC Plug-in module for

Zoro # G916087413
Mfr # 2907057
product price: 
$3.89
/ea
Sold in mult. of 10 for $38.90
Phoenix Contact PLC-RPT- 24DC/21HC/MS PLC-INTERFACE 2910530
Phoenix Contact

PLC-RPT- 24DC/21HC/MS PLC-INTERFACE

Zoro # G716105072
Mfr # 2910530
product price: 
$51.75
/ea
Sold in mult. of 10 for $517.50
Siemens SIRIUS safety relay Connecting cable length 1 meter for connecting the safe 3TK2810-0A
Siemens

SIRIUS safety relay Connecting cable length 1 meter for connecting the safe

Zoro # G916288094
Mfr # 3TK2810-0A
product price: 
$67.59
/ea
Sold in mult. of 8 for $540.72
Phoenix Contact PLC-RPT- 24UC/21/MS PLC-INTERFACE 2909668
Phoenix Contact

PLC-RPT- 24UC/21/MS PLC-INTERFACE

Zoro # G916105230
Mfr # 2909668
product price: 
$46.49
/ea
Sold in mult. of 10 for $464.90
Siemens Solid-state contactor 1-phase 3RF2 AC 51 / 30 A / 40 °C 48-460 V / 110 V DC 3RF2330-2DA64
Siemens

Solid-state contactor 1-phase 3RF2 AC 51 / 30 A / 40 °C 48-460 V / 110 V DC

Zoro # G515874889
Mfr # 3RF2330-2DA64
product price: 
$181.99
/ea
Sold in mult. of 3 for $545.97
Schneider Electric Socket, Relay, Square, 15 A, 11 Pins, Quick Connect 8501RSD43P14V53
Schneider Electric

Socket, Relay, Square, 15 A, 11 Pins, Quick Connect

Zoro # G908536684
Mfr # 8501RSD43P14V53
product price: 
$65.19
/ea
Sold in mult. of 25 for $1,629.75
Phoenix Contact PLC-RSC- 12DC/21-21AU PLC-INTERFACE 2967277
Phoenix Contact

PLC-RSC- 12DC/21-21AU PLC-INTERFACE

Zoro # G516105159
Mfr # 2967277
product price: 
$64.55
/ea
Sold in mult. of 10 for $645.50
Phoenix Contact PLC-OSC-120UC/ 48DC/100 PLC-INTERFACE 2966744
Phoenix Contact

PLC-OSC-120UC/ 48DC/100 PLC-INTERFACE

Zoro # G316104970
Mfr # 2966744
product price: 
$45.45
/ea
Sold in mult. of 10 for $454.50
Phoenix Contact RIF-2-RPT-LV-24AC/2X21 Pre-assembled 2903313
Phoenix Contact

RIF-2-RPT-LV-24AC/2X21 Pre-assembled

Zoro # G416087517
Mfr # 2903313
product price: 
$18.99
/ea
Sold in mult. of 10 for $189.90
Phoenix Contact RIF-LV-12-24 UC Plug-in module for 2900942
Phoenix Contact

RIF-LV-12-24 UC Plug-in module for

Zoro # G616087430
Mfr # 2900942
product price: 
$3.89
/ea
Sold in mult. of 10 for $38.90
Siemens SIRIUS safety relay basic unit Standard series relay enabling circuits 3SK1111-2AB30-0AX0
Siemens

SIRIUS safety relay basic unit Standard series relay enabling circuits

Zoro # G416039929
Mfr # 3SK1111-2AB30-0AX0
product price: 
$360.99
/ea
Sold in mult. of 2 for $721.98
Phoenix Contact RIF-LDP-48-60 DC Plug-in module for 2900940
Phoenix Contact

RIF-LDP-48-60 DC Plug-in module for

Zoro # G816087414
Mfr # 2900940
product price: 
$3.89
/ea
Sold in mult. of 10 for $38.90
Siemens SIRIUS safety relay Safety-oriented Speed monitoring 24 V DC 45 mm 3TK2810-1BA42-0AA0
Siemens

SIRIUS safety relay Safety-oriented Speed monitoring 24 V DC 45 mm

Zoro # G916039924
Mfr # 3TK2810-1BA42-0AA0
product price: 
$2,356.99
/ea
Phoenix Contact PLC-BPT- 24DC/21-21 14 mm PLC basic 2900283
Phoenix Contact

PLC-BPT- 24DC/21-21 14 mm PLC basic

Zoro # G316105212
Mfr # 2900283
product price: 
$20.65
/ea
Sold in mult. of 10 for $206.50
Phoenix Contact REL-MR- 48DC/21HC Plug-in miniature 2834821
Phoenix Contact

REL-MR- 48DC/21HC Plug-in miniature

Zoro # G716087392
Mfr # 2834821
product price: 
$9.39
/ea
Sold in mult. of 10 for $93.90
Phoenix Contact PLC-RSC-230UC/ 1AU/SEN PLC-INTERFACE 2966333
Phoenix Contact

PLC-RSC-230UC/ 1AU/SEN PLC-INTERFACE

Zoro # G616105028
Mfr # 2966333
product price: 
$39.89
/ea
Sold in mult. of 10 for $398.90
Phoenix Contact PLC-RSC- 48DC/21AU PLC-INTERFACE 2966126
Phoenix Contact

PLC-RSC- 48DC/21AU PLC-INTERFACE

Zoro # G516105098
Mfr # 2966126
product price: 
$47.65
/ea
Sold in mult. of 10 for $476.50
Siemens Timing relay Multifunction with painted PCB 2 change-over contacts 3RP2505-2BW30-0AX0
Siemens

Timing relay Multifunction with painted PCB 2 change-over contacts

Zoro # G316041244
Mfr # 3RP2505-2BW30-0AX0
product price: 
$284.99
/ea
Sold in mult. of 2 for $569.98
Siemens Timing relay Multifunction with painted PCB 2 change-over contacts 3RP2505-2RW30-0AX0
Siemens

Timing relay Multifunction with painted PCB 2 change-over contacts

Zoro # G916041255
Mfr # 3RP2505-2RW30-0AX0
product price: 
$332.99
/ea
Sold in mult. of 2 for $665.98
Electrical Relays (6,500+ items) - Page 143
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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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