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  1. Home
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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 138

Phoenix Contact PLC-RSC- 24DC/21-21AU PLC-INTERFACE 2967125
Phoenix Contact

PLC-RSC- 24DC/21-21AU PLC-INTERFACE

Zoro # G516105203
Mfr # 2967125
product price:  $32.99
/ea
Sold in mult. of 10 for $329.90
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-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 PLC-OSC-230UC/ 48DC/100 PLC-INTERFACE 2966757
Phoenix Contact

PLC-OSC-230UC/ 48DC/100 PLC-INTERFACE

Zoro # G816104975
Mfr # 2966757
product price:  $49.75
/ea
Sold in mult. of 10 for $497.50
Phoenix Contact DEK-OE- 5DC/ 48DC/100 Input solid-state 2940223
Phoenix Contact

DEK-OE- 5DC/ 48DC/100 Input solid-state

Zoro # G816087773
Mfr # 2940223
product price:  $128.99
/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 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
Phoenix Contact PLC-BPT-120UC/21/SO46 6.2 mm PLC basic 2900453
Phoenix Contact

PLC-BPT-120UC/21/SO46 6.2 mm PLC basic

Zoro # G716105140
Mfr # 2900453
product price:  $34.15
/ea
Sold in mult. of 10 for $341.50
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
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
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-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 PLC-RSC-125DC/21/MS PLC-INTERFACE 2909652
Phoenix Contact

PLC-RSC-125DC/21/MS PLC-INTERFACE

Zoro # G816105132
Mfr # 2909652
product price:  $50.45
/ea
Sold in mult. of 10 for $504.50
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
Phoenix Contact PLC-OSC- 24DC/ 48DC/500/W PLC 2980636
Phoenix Contact

PLC-OSC- 24DC/ 48DC/500/W PLC

Zoro # G716105089
Mfr # 2980636
product price:  $62.99
/ea
Sold in mult. of 10 for $629.90
Phoenix Contact PLC-RPT-230UC/21/EX PLC-INTERFACE 2909530
Phoenix Contact

PLC-RPT-230UC/21/EX PLC-INTERFACE

Zoro # G916105124
Mfr # 2909530
product price:  $38.15
/ea
Sold in mult. of 10 for $381.50
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-RPT- 72UC/21-21AU/RW PLC-INTERFACE 2900350
Phoenix Contact

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

Zoro # G916105018
Mfr # 2900350
product price:  $122.99
/ea
Sold in mult. of 10 for $1,229.90
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
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/21-21/EX PLC-INTERFACE 2909514
Phoenix Contact

PLC-RPT- 24DC/21-21/EX PLC-INTERFACE

Zoro # G316105182
Mfr # 2909514
product price:  $34.85
/ea
Sold in mult. of 10 for $348.50
Phoenix Contact PLC-RSC-12DC/21/EX PLC-INTERFACE 2909522
Phoenix Contact

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

Zoro # G516105081
Mfr # 2909522
product price:  $40.89
/ea
Sold in mult. of 10 for $408.90
Phoenix Contact REL-IR4/L- 24AC/4X21AU Plug-in 2903683
Phoenix Contact

REL-IR4/L- 24AC/4X21AU Plug-in

Zoro # G916087406
Mfr # 2903683
product price:  $10.49
/ea
Sold in mult. of 10 for $104.90
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
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
Phoenix Contact PLC-BSC-230UC/21/SO46 6.2 mm PLC basic 2980335
Phoenix Contact

PLC-BSC-230UC/21/SO46 6.2 mm PLC basic

Zoro # G416105198
Mfr # 2980335
product price:  $32.65
/ea
Idec 4PDT W/LITE RH4B-ULDC125V
Idec

4PDT W/LITE

Zoro # G515279226
Mfr # RH4B-ULDC125V
product price:  $44.59
/ea
Phoenix Contact PLC-RPT-120UC/21-21AU PLC-INTERFACE 2900342
Phoenix Contact

PLC-RPT-120UC/21-21AU PLC-INTERFACE

Zoro # G316105045
Mfr # 2900342
product price:  $51.99
/ea
Sold in mult. of 10 for $519.90
Phoenix Contact PLC-OSC-120UC/ 48DC/100/SEN 2966799
Phoenix Contact

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

Zoro # G416105228
Mfr # 2966799
product price:  $50.15
/ea
Sold in mult. of 10 for $501.50
Phoenix Contact PLC-BPT- 24UC/21-21 14 mm PLC basic 2900284
Phoenix Contact

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

Zoro # G816105170
Mfr # 2900284
product price:  $33.45
/ea
Sold in mult. of 10 for $334.50
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 OPT- 5DC/ 48DC/100 Plug-in miniature 2967992
Phoenix Contact

OPT- 5DC/ 48DC/100 Plug-in miniature

Zoro # G316093014
Mfr # 2967992
product price:  $37.39
/ea
Sold in mult. of 10 for $373.90
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
Phoenix Contact REL-OR3/LDP-220DC/3X21 Plug-in octal 2907027
Phoenix Contact

REL-OR3/LDP-220DC/3X21 Plug-in octal

Zoro # G716087422
Mfr # 2907027
product price:  $18.19
/ea
Sold in mult. of 10 for $181.90
Phoenix Contact REL-PR3- 24AC/3X21 Plug-in high-power 2903703
Phoenix Contact

REL-PR3- 24AC/3X21 Plug-in high-power

Zoro # G116087343
Mfr # 2903703
product price:  $18.79
/ea
Phoenix Contact PLC-RPT-120UC/21AU/MS PLC-INTERFACE 2909674
Phoenix Contact

PLC-RPT-120UC/21AU/MS PLC-INTERFACE

Zoro # G216105114
Mfr # 2909674
product price:  $53.25
/ea
Sold in mult. of 10 for $532.50
Electrical Relays (6,500+ items) - Page 138
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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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