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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 (7,000+ items) - Page 185

Altech Industrial Relay, 6A, 250VAC RSR-24DCS
Altech

Industrial Relay, 6A, 250VAC

Zoro # G124498926
Mfr # RSR-24DCS
product price: 
$12.35
/ea
Atc Diversified Electronics Phase Monitoring Relays SLD440ALE
Atc Diversified Electronics

Phase Monitoring Relays

Zoro # G916497908
Mfr # SLD440ALE
product price: 
$516.99
/ea
Eaton Relays XTRMC10A40TD
Eaton

Relays

Zoro # G624223523
Mfr # XTRMC10A40TD
product price: 
$29.45
/ea
Functional Devices-Rib Enclosed SPST Relay/Analog, 20A RIBX243PV
Functional Devices-Rib

Enclosed SPST Relay/Analog, 20A

Zoro # G3226787
Mfr # RIBX243PV
product price: 
$209.99
/ea
Schneider Electric Wear part, enclosure door, fan for variable speed drive, Altivar Process 600 900, from 55 to 160kW VX5VPS6001
Schneider Electric

Wear part, enclosure door, fan for variable speed drive, Altivar Process 600 900, from 55 to 160kW

Zoro # G5956901
Mfr # VX5VPS6001
product price: 
$387.99
/ea
Te Connectivity Screw, Socket, Power Relay, 2 A, 6, Solder 2-1393813-6
Te Connectivity

Screw, Socket, Power Relay, 2 A, 6, Solder

Zoro # G105866171
Mfr # 2-1393813-6
product price: 
$198.99
/ea
Siemens Thermistor motor protection relay Compact evaluation unit 17.5 mm enclosure 3RN2010-1CA30
Siemens

Thermistor motor protection relay Compact evaluation unit 17.5 mm enclosure

Zoro # G016041131
Mfr # 3RN2010-1CA30
product price: 
$143.99
/ea
Sold in mult. of 4 for $575.96
Omega 24 CH RELAY BD 12V W/D CBL OME-DB-24RD/12
Omega

24 CH RELAY BD 12V W/D CBL

Zoro # G824252903
Mfr # OME-DB-24RD/12
product price: 
$995.99
/ea
Phoenix Contact RF-Z0017 Color-coding Color: 1620624
Phoenix Contact

RF-Z0017 Color-coding Color:

Zoro # G416088286
Mfr # 1620624
product price: 
$2.39
/ea
Sold in mult. of 50 for $119.50
No Product Image Available
Atc Diversified Electronics

Alternating Relay

Zoro # G624301481
Mfr # ARA240ADA
product price: 
$359.99
/ea
Te Connectivity Panel Mount, General Purpose Relay, 10 A, Flying Lead 4-1618241-0
Te Connectivity

Panel Mount, General Purpose Relay, 10 A, Flying Lead

Zoro # G200973279
Mfr # 4-1618241-0
product price: 
$795.99
/ea
Te Connectivity PCB, Socket, Power Relay, 16 A, PCB, Plug-in 5-1393238-9
Te Connectivity

PCB, Socket, Power Relay, 16 A, PCB, Plug-in

Zoro # G101026661
Mfr # 5-1393238-9
product price: 
$4.89
/ea
Sold in mult. of 40 for $195.60
Altech Industrial Relay, 40A MT-32/3H-18A
Altech

Industrial Relay, 40A

Zoro # G424495953
Mfr # MT-32/3H-18A
product price: 
$86.89
/ea
Joslyn Clark Controls Motor Starter Overload Relay Component, Joslyn Clark Anti-Weld Non-Overlap KPM-33A
Joslyn Clark Controls

Motor Starter Overload Relay Component, Joslyn Clark Anti-Weld Non-Overlap

Zoro # G823509961
Mfr # KPM-33A
product price: 
$114.99
/ea
Imo Automation General Purpose Relay 4PCO 5A, 24VDC Coil 0.89W SY42XX24DC
Imo Automation

General Purpose Relay 4PCO 5A, 24VDC Coil 0.89W

Zoro # G024266984
Mfr # SY42XX24DC
product price: 
$9.15
/ea
Phoenix Contact RIF-4-RPT-LV-120AC/3X21 Pre-assembled 2903277
Phoenix Contact

RIF-4-RPT-LV-120AC/3X21 Pre-assembled

Zoro # G916087482
Mfr # 2903277
product price: 
$33.35
/ea
Sold in mult. of 5 for $166.75
Siemens Solid State Relay, 1 Phase, Ring Cable, DIN Rail or Panel Mount 3RF2330-3AA24
Siemens

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

Zoro # G015874907
Mfr # 3RF2330-3AA24
product price: 
$183.99
/ea
Sold in mult. of 4 for $735.96
Te Connectivity Socket, Power Relay, 5 A, Plug-in, Solder 6-1393122-5
Te Connectivity

Socket, Power Relay, 5 A, Plug-in, Solder

Zoro # G300976002
Mfr # 6-1393122-5
product price: 
$47.49
/ea
Sold in mult. of 3 for $142.47
Omron Socket, General Purpose Relay, Square, 3 A, 14 Pins, Plug-in MY4H DC100/110
Omron

Socket, General Purpose Relay, Square, 3 A, 14 Pins, Plug-in

Zoro # G408449415
Mfr # MY4H DC100/110
product price: 
$139.99
/ea
Schmersal Safe signal processing, SRB-E-204PE, Plug-in screw terminals with coding, Input expander module, 1  103008070
Schmersal

Safe signal processing, SRB-E-204PE, Plug-in screw terminals with coding, Input expander module, 1

Zoro # G721952890
Mfr # 103008070
product price: 
$382.99
/ea
Idec 4PDT W/C-BUTN RH4B-UCDC12V
Idec

4PDT W/C-BUTN

Zoro # G015279122
Mfr # RH4B-UCDC12V
product price: 
$24.99
/ea
Imo Automation General Purpose Power Relay 2PCO, 10A, 24VAC, up to 1.8VA QYE21XN24AC
Imo Automation

General Purpose Power Relay 2PCO, 10A, 24VAC, up to 1.8VA

Zoro # G924249544
Mfr # QYE21XN24AC
product price: 
$11.55
/ea
Armstrong 67K65 24V Dpdt Fan Control Relay 67K65
Armstrong

67K65 24V Dpdt Fan Control Relay

Zoro # G6405184
Mfr # 67K65
product price: 
$76.95
/ea
Idec Relay Plug-In DPDT 10A 220VAC RR2P-ULCAC220V
Idec

Relay Plug-In DPDT 10A 220VAC

Zoro # G915279598
Mfr # RR2P-ULCAC220V
product price: 
$32.95
/ea
No Product Image Available
Finder

Relay module, 4NO+2NC 6A, 110VDC, screwless

Zoro # G012185709
Mfr # 7S.16.9.110.5420
product price: 
$265.99
/ea
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
Te Connectivity SLIM OUTPUT AC MOD 5A 120VAC-5V DC IP 4-1393028-0
Te Connectivity

SLIM OUTPUT AC MOD 5A 120VAC-5V DC IP

Zoro # G100979890
Mfr # 4-1393028-0
product price: 
$38.49
/ea
Sold in mult. of 3 for $115.47
Idec 4PDT W/T-TOP RH4B-UTDC6V
Idec

4PDT W/T-TOP

Zoro # G515279158
Mfr # RH4B-UTDC6V
product price: 
$22.69
/ea
Phoenix Contact PLC-OPT-230UC/ 48DC/100/SEN 2900361
Phoenix Contact

PLC-OPT-230UC/ 48DC/100/SEN

Zoro # G816105149
Mfr # 2900361
product price: 
$45.65
/ea
Sold in mult. of 10 for $456.50
Schneider Electric DIN Rail, Plug-In Relay, 5A, 12 Pins, Screw RM35HZ21FM
Schneider Electric

DIN Rail, Plug-In Relay, 5A, 12 Pins, Screw

Zoro # G3464204
Mfr # RM35HZ21FM
product price: 
$239.99
/ea
Idec RH GP Rly DPDT 10A 12V DC Coil w/ diode RH2V2-ULD-DC12V
Idec

RH GP Rly DPDT 10A 12V DC Coil w/ diode

Zoro # G915367387
Mfr # RH2V2-ULD-DC12V
product price: 
$20.49
/ea
Enerpac Relay Ly2 No Flange 24Vac Tq 700 DD2691380
Enerpac

Relay Ly2 No Flange 24Vac Tq 700

Zoro # G708074799
Mfr # DD2691380
product price: 
$68.59
/ea
Idec RH GP Rly SPDT 10A 24V DC Coil w/ diode RH1V2-UD-DC24V
Idec

RH GP Rly SPDT 10A 24V DC Coil w/ diode

Zoro # G615367380
Mfr # RH1V2-UD-DC24V
product price: 
$15.85
/ea
Siemens Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm 3RF2190-1BA04
Siemens

Semiconductor relay 1-phase 3RF2 Overall width 22.5 mm

Zoro # G215918982
Mfr # 3RF2190-1BA04
product price: 
$128.99
/ea
Sold in mult. of 4 for $515.96
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 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
Electrical Relays (7,000+ items) - Page 185
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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.

Frequently Asked Questions

There are several key factors to keep in mind when choosing an electrical relay, including its voltage rating, current rating, type of contacts, coil resistance, and physical size.

SPST (single-pole single-throw) relays have one set of contacts that can be either open or closed, while SPDT (single-pole double-throw) relays have two sets of contacts that can be switched between two different positions.

The load current rating of a relay is typically specified in the relay's datasheet and indicates the maximum amount of current that the relay can safely handle.

Electrical relays are essential for industrial applications because they provide a reliable and efficient way to control high-power electrical circuits using low-power signals.

Related Categories

SwitchesElectrical Contactors & ContactsToggle SwitchesMotor Overload RelaysMotor Starters, Enclosures & Accessories
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macromatic pmpusdin rail timer relays12 volt dc relaysdayton solid state relays5 volt relays
din mount relaysallen bradley overloadallen bradley terminal blocksallen bradley relaysdayton relay sockets

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