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  9. Electrical Relays

Electrical Relays (7,000+ items) - Page 178

Siemens Solid-state contactor 3-phase 3RF2 AC 51 / 40 A / 40 Degrees C 48-600 V / 230 V AC 3RF2440-1AB55
Siemens

Solid-state contactor 3-phase 3RF2 AC 51 / 40 A / 40 Degrees C 48-600 V / 230 V AC

Zoro # G515855079
Mfr # 3RF2440-1AB55
product price: 
$495.99
/ea
Sold in mult. of 2 for $991.98
Te Connectivity V23154D 704F104 1-1393808-9
Te Connectivity

V23154D 704F104

Zoro # G700973434
Mfr # 1-1393808-9
product price: 
$155.99
/ea
Square D PLUG-IN RELAY 250V 3A RXM +OPTIONS RXM4GB2F7
Square D

PLUG-IN RELAY 250V 3A RXM +OPTIONS

Zoro # G424276361
Mfr # RXM4GB2F7
product price: 
$19.35
/ea
Siemens electronic timing relay off delayed 3RA2832-2DG10
Siemens

electronic timing relay off delayed

Zoro # G115996844
Mfr # 3RA2832-2DG10
product price: 
$95.99
/ea
Sold in mult. of 4 for $383.96
Siemens SIRIUS interface module PROFINET interface for safety relay 3SK2 from E05 3SK2511-1FA10
Siemens

SIRIUS interface module PROFINET interface for safety relay 3SK2 from E05

Zoro # G816314817
Mfr # 3SK2511-1FA10
product price: 
$743.99
/ea
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
Crydom Solid State Relay, 1 Phase, Screw Clamp, Panel, Triac CL240D05RC
Crydom

Solid State Relay, 1 Phase, Screw Clamp, Panel, Triac

Zoro # G4476683
Mfr # CL240D05RC
product price: 
$46.79
/ea
Siemens monitoring relay phase failure phase sequence and asymmetry monitoring 3x 3UG5512-2BR21
Siemens

monitoring relay phase failure phase sequence and asymmetry monitoring 3x

Zoro # G516040160
Mfr # 3UG5512-2BR21
product price: 
$223.99
/ea
Sold in mult. of 2 for $447.98
Phoenix Contact REL-PR3-125DC/3X21 Plug-in high-power 2909056
Phoenix Contact

REL-PR3-125DC/3X21 Plug-in high-power

Zoro # G016087375
Mfr # 2909056
product price: 
$19.15
/ea
Lowell Rackmount Sequencer 4step SEQR-4
Lowell

Rackmount Sequencer 4step

Zoro # G123572580
Mfr # SEQR-4
product price: 
$930.99
/ea
Siemens Safety Relay 3TK2810-0GA01
Siemens

Safety Relay

Zoro # G410044707
Mfr # 3TK2810-0GA01
product price: 
$1,361.99
/ea
Te Connectivity PCB, Power Relay, 5 A, 1 Pins, PCB 1461350-6
Te Connectivity

PCB, Power Relay, 5 A, 1 Pins, PCB

Zoro # G201017392
Mfr # 1461350-6
product price: 
$1.85
/ea
Sold in mult. of 45 for $83.25
Te Connectivity Off-Delay Relay, 4 Form C, 4Pdt-Co, 125Vdc (Coil), Dc Input, Panel Mount TR14D3G
Te Connectivity

Off-Delay Relay, 4 Form C, 4Pdt-Co, 125Vdc (Coil), Dc Input, Panel Mount

Zoro # G005864956
Mfr # TR14D3G
product price: 
$1,093.99
/ea
Te Connectivity TD228-3002P=TDFO 30 SEC M83726/28-3002P 2-1617805-4
Te Connectivity

TD228-3002P=TDFO 30 SEC M83726/28-3002P

Zoro # G300984168
Mfr # 2-1617805-4
product price: 
$743.99
/ea
Te Connectivity HMB1201K01P = M39016/22-009P 2-1617038-2
Te Connectivity

HMB1201K01P = M39016/22-009P

Zoro # G100984344
Mfr # 2-1617038-2
product price: 
$439.99
/ea
Phoenix Contact RIF-1-RPT-LV-120AC/1X21 Pre-assembled 2903340
Phoenix Contact

RIF-1-RPT-LV-120AC/1X21 Pre-assembled

Zoro # G416087494
Mfr # 2903340
product price: 
$16.29
/ea
Sold in mult. of 10 for $162.90
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
Te Connectivity Time Delay & Timing Relays Cdf-38-70001 Time Delay Rel 7-1393136-1
Te Connectivity

Time Delay & Timing Relays Cdf-38-70001 Time Delay Rel

Zoro # G105929180
Mfr # 7-1393136-1
product price: 
$311.99
/ea
Phoenix Contact RIF-1-RPT-LDP-24DC/2X21MS Pre-assembled 2905291
Phoenix Contact

RIF-1-RPT-LDP-24DC/2X21MS Pre-assembled

Zoro # G416087487
Mfr # 2905291
product price: 
$17.69
/ea
Sold in mult. of 10 for $176.90
Te Connectivity General Purpose Relay, PCB, PCB, 24V DC 9-1415536-4
Te Connectivity

General Purpose Relay, PCB, PCB, 24V DC

Zoro # G301026744
Mfr # 9-1415536-4
product price: 
$28.15
/ea
Sold in mult. of 10 for $281.50
Te Connectivity SSR SRS PANEL MNT 125A 480V AC - DC I/P 2-1393030-9
Te Connectivity

SSR SRS PANEL MNT 125A 480V AC - DC I/P

Zoro # G301033650
Mfr # 2-1393030-9
product price: 
$131.99
/ea
Siemens coupling contactor relay 3 NO + 1 NC 3RH2131-2MB40-0KT0
Siemens

coupling contactor relay 3 NO + 1 NC

Zoro # G315960966
Mfr # 3RH2131-2MB40-0KT0
product price: 
$58.69
/ea
Sold in mult. of 7 for $410.83
Siemens SIRIUS safety relay Output expansion 4RO with relay enabling circuits 4 NO 3SK1211-1BB00
Siemens

SIRIUS safety relay Output expansion 4RO with relay enabling circuits 4 NO

Zoro # G516039942
Mfr # 3SK1211-1BB00
product price: 
$295.99
/ea
Sold in mult. of 2 for $591.98
Phoenix Contact PLC-OPT- 24DC/230AC/2.4/ACT 2904632
Phoenix Contact

PLC-OPT- 24DC/230AC/2.4/ACT

Zoro # G416105167
Mfr # 2904632
product price: 
$49.99
/ea
Crouzet SSR, GNA, Single Phase, Panel Mount, 40A, IN 4-32 VDC, OUT 660 VAC, Zero Cross, 5PK 84137450N
Crouzet

SSR, GNA, Single Phase, Panel Mount, 40A, IN 4-32 VDC, OUT 660 VAC, Zero Cross, 5PK

Zoro # G024995372
Mfr # 84137450N
product price: 
$479.99
/pk of 5, $96.00/ea
Eaton Relays DPDT Relay 12A 12VDC EA D5PF2AR1
Eaton

Relays DPDT Relay 12A 12VDC EA

Zoro # G214797960
Mfr # D5PF2AR1
product price: 
$5.85
/ea
Sold in mult. of 2 for $11.70
Te Connectivity FCA-410-1521L - M83536/15-021L 5-1617785-7
Te Connectivity

FCA-410-1521L - M83536/15-021L

Zoro # G200984572
Mfr # 5-1617785-7
product price: 
$437.99
/ea
Te Connectivity Socket, Plug-In Relay, 2.5 A, Plug-in, Solder 4-1393123-1
Te Connectivity

Socket, Plug-In Relay, 2.5 A, Plug-in, Solder

Zoro # G200975747
Mfr # 4-1393123-1
product price: 
$31.15
/ea
Sold in mult. of 4 for $124.60
Square D Relay, 600VAC Coil Volts, 1 NO; SPST 8501CDO6V51
Square D

Relay, 600VAC Coil Volts, 1 NO; SPST

Zoro # G0571886
Mfr # 8501CDO6V51
product price: 
$44.85
/ea
Siemens-Furnas Controls Control Relay Auxiliary Contact Block 46FBE11
Siemens-Furnas Controls

Control Relay Auxiliary Contact Block

Zoro # G623510044
Mfr # 46FBE11
product price: 
$9.65
/ea
Veris CURRENT SWITCH/RELAY COMBO, SPLIT CORE, 9-12VDC GSA H950
Veris

CURRENT SWITCH/RELAY COMBO, SPLIT CORE, 9-12VDC GSA

Zoro # G624257429
Mfr # H950
product price: 
$108.99
/ea
Te Connectivity 7024Sa=Rly, Std, Off, 4P, 250Vdc, 1 1-1423166-7
Te Connectivity

7024Sa=Rly, Std, Off, 4P, 250Vdc, 1

Zoro # G405929170
Mfr # 1-1423166-7
product price: 
$1,216.99
/ea
Enerpac Cable Relay BridgeJumper DC8315960
Enerpac

Cable Relay BridgeJumper

Zoro # G108074764
Mfr # DC8315960
product price: 
$8.99
/ea
Abb K6-40E-84, CONTROL RELAY 4NO 110/40-60 , PK 10 K6-40E-84
Abb

K6-40E-84, CONTROL RELAY 4NO 110/40-60 , PK 10

Zoro # G9282300
Mfr # K6-40E-84
product price: 
$866.99
/pk of 10, $86.70/ea
Lovato Curr.Rel.2Out.24-240Vac/Dc Min PMA40240
Lovato

Curr.Rel.2Out.24-240Vac/Dc Min

Zoro # G722868480
Mfr # PMA40240
product price: 
$842.99
/ea
Omron DIN Rail, Slim General Purpose Relay, 6 A, Spring Terminal G2RV-ST500 AC/DC24
Omron

DIN Rail, Slim General Purpose Relay, 6 A, Spring Terminal

Zoro # G509920165
Mfr # G2RV-ST500 AC/DC24
product price: 
$42.59
/ea
Electrical Relays (7,000+ items) - Page 178
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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.

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