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  1. Home
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  5. Industrial Electrical Controls & Automation
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  9. Motor Overload Relays

Motor Overload Relays (1,000+ items) - Page 25

No Product Image Available
Eaton Cutler-Hammer

Overload Relay

Zoro # G824081091
Mfr # AA13A
product price: 
$680.99
/ea
Square D BIMETALLIC OVERLOAD RELAY LR3D3363
Square D

BIMETALLIC OVERLOAD RELAY

Zoro # G824292794
Mfr # LR3D3363
product price: 
$217.99
/ea
Imo Automation Thermal Overload Relay 0.18-0.27A MCOR-1-0.27
Imo Automation

Thermal Overload Relay 0.18-0.27A

Zoro # G124255710
Mfr # MCOR-1-0.27
product price: 
$64.69
/ea
Noark Overload 21.5 Amp 2P RHU-10-21.5K2
Noark

Overload 21.5 Amp 2P

Zoro # G7160099
Mfr # RHU-10-21.5K2
product price: 
$45.95
/ea
Sold in mult. of 2 for $91.90
No Product Image Available
Kelley

Overload Relays, Relay, Impulse

Zoro # G7828232
Mfr # 061-198
product price: 
$352.99
/ea
Noark Overload, 20A, 2P RHU-10-20K1
Noark

Overload, 20A, 2P

Zoro # G8666820
Mfr # RHU-10-20K1
product price: 
$45.95
/ea
Sold in mult. of 2 for $91.90
Noark Overload 75 Amp 3P RHU-80L-75A3
Noark

Overload 75 Amp 3P

Zoro # G7160266
Mfr # RHU-80L-75A3
product price: 
$100.99
/ea
Lovato T/O Relay Rf9 0.45-0.75A 11RF9075
Lovato

T/O Relay Rf9 0.45-0.75A

Zoro # G222708385
Mfr # 11RF9075
product price: 
$118.99
/ea
Noark Overload Class 20 80-105A MT-150/3D-93S
Noark

Overload Class 20 80-105A

Zoro # G7034214
Mfr # MT-150/3D-93S
product price: 
$235.99
/ea
Noark Overload, 30A, 3P RHU-10-30A1
Noark

Overload, 30A, 3P

Zoro # G3856244
Mfr # RHU-10-30A1
product price: 
$41.29
/ea
Mcguire Overload Relays, Blr Relay 112-394
Mcguire

Overload Relays, Blr Relay

Zoro # G7828485
Mfr # 112-394
product price: 
$93.99
/ea
Imo Automation Thermal Overload Relay 2.7-4A MCOR-1-4
Imo Automation

Thermal Overload Relay 2.7-4A

Zoro # G824276084
Mfr # MCOR-1-4
product price: 
$64.69
/ea
Lovato 3P Overload Relay, 90-110A For Bf95-Bf150 Auto Reset RFA110110
Lovato

3P Overload Relay, 90-110A For Bf95-Bf150 Auto Reset

Zoro # G022868883
Mfr # RFA110110
product price: 
$649.99
/ea
Lovato Th.Overload Relay 28-42A Bf40- RFA824200
Lovato

Th.Overload Relay 28-42A Bf40-

Zoro # G922868839
Mfr # RFA824200
product price: 
$280.99
/ea
No Product Image Available
York

Overload, 32V, 3A

Zoro # G9140982
Mfr # 024-33169-000
product price: 
$865.99
/ea
Noark Overload, 7.5A, 3P RHU-5-7.5A
Noark

Overload, 7.5A, 3P

Zoro # G3855431
Mfr # RHU-5-7.5A
product price: 
$45.95
/ea
Sold in mult. of 2 for $91.90
Siemens undercurrent relay T5570 230V AC 10A 1-phase with transparent cap 5TT6111
Siemens

undercurrent relay T5570 230V AC 10A 1-phase with transparent cap

Zoro # G615962172
Mfr # 5TT6111
product price: 
$204.99
/ea
Sold in mult. of 2 for $409.98
Square D OVERLOAD RELAY 100A 575V LR9D5567
Square D

OVERLOAD RELAY 100A 575V

Zoro # G324270780
Mfr # LR9D5567
product price: 
$924.99
/ea
Lovato 3P O/L Relay 32.38 Amps W/ Man Or Automatic Reset RF383800
Lovato

3P O/L Relay 32.38 Amps W/ Man Or Automatic Reset

Zoro # G822868847
Mfr # RF383800
product price: 
$201.99
/ea
Poweramp Overload Relays, Thermal Overload 7141-0175
Poweramp

Overload Relays, Thermal Overload

Zoro # G7828248
Mfr # 7141-0175
product price: 
$310.99
/ea
Noark Overload 24.5-36A 2 Pole, 3 RHUS-80/3-36
Noark

Overload 24.5-36A 2 Pole, 3

Zoro # G7159697
Mfr # RHUS-80/3-36
product price: 
$82.29
/ea
Lovato Thermal Overload Rf38 20-25A Non Phase Failure RFN382500
Lovato

Thermal Overload Rf38 20-25A Non Phase Failure

Zoro # G922868815
Mfr # RFN382500
product price: 
$192.99
/ea
Imo Automation Thermal Overload Relay 4-6A/YD 7-10.5A, Manual Reset U12/16E6-MC
Imo Automation

Thermal Overload Relay 4-6A/YD 7-10.5A, Manual Reset

Zoro # G124241102
Mfr # U12/16E6-MC
product price: 
$58.75
/ea
Imo Automation Thermal Overload Relay For MC210 To MC316 Contactors MCOR-6-216
Imo Automation

Thermal Overload Relay For MC210 To MC316 Contactors

Zoro # G524247506
Mfr # MCOR-6-216
product price: 
$810.99
/ea
Lovato T/O Relay 17-23A Man/Auto RFN382300
Lovato

T/O Relay 17-23A Man/Auto

Zoro # G422868797
Mfr # RFN382300
product price: 
$192.99
/ea
Imo Automation Thermal Overload Relay 0.6-0.9A MCOR-1-0.9
Imo Automation

Thermal Overload Relay 0.6-0.9A

Zoro # G324242657
Mfr # MCOR-1-0.9
product price: 
$64.69
/ea
Lovato 1-1.6 Amp Overload Relay RF380160
Lovato

1-1.6 Amp Overload Relay

Zoro # G822868748
Mfr # RF380160
product price: 
$115.99
/ea
Square D NIMETALLIC OVERLOAD RELAY CLASS 20 LRD12L
Square D

NIMETALLIC OVERLOAD RELAY CLASS 20

Zoro # G324285883
Mfr # LRD12L
product price: 
$79.59
/ea
Tecumseh OVERLOAD KIT K90-88
Tecumseh

OVERLOAD KIT

Zoro # G909981988
Mfr # K90-88
product price: 
$41.75
/ea
Imo Automation Thermal Overload Relay 4-6A U12/16A6-MC
Imo Automation

Thermal Overload Relay 4-6A

Zoro # G124238126
Mfr # U12/16A6-MC
product price: 
$74.15
/ea
Imo Automation Thermal Overload Relay 0.4-0.6A MCOR-1-0.6
Imo Automation

Thermal Overload Relay 0.4-0.6A

Zoro # G424252297
Mfr # MCOR-1-0.6
product price: 
$64.69
/ea
Noark Overload 36 Amp 3P RHU-10-36A2
Noark

Overload 36 Amp 3P

Zoro # G7028815
Mfr # RHU-10-36A2
product price: 
$45.95
/ea
Sold in mult. of 2 for $91.90
Noark Overload 20 Amp 3P RHU-10-20A1
Noark

Overload 20 Amp 3P

Zoro # G7028745
Mfr # RHU-10-20A1
product price: 
$45.45
/ea
Sold in mult. of 2 for $90.90
Noark Overload, 47A, 3P RHU-80-47A1
Noark

Overload, 47A, 3P

Zoro # G3855142
Mfr # RHU-80-47A1
product price: 
$78.25
/ea
Morse MFG MOTOR, 12HP, 3PH, RB, EXP 228-E3-P
Morse

MFG MOTOR, 12HP, 3PH, RB, EXP

Zoro # G708248749
Mfr # 228-E3-P
product price: 
$2,683.99
/ea
Noark Overload 25 Amp 3P RHU-80-25A1
Noark

Overload 25 Amp 3P

Zoro # G7160126
Mfr # RHU-80-25A1
product price: 
$75.35
/ea
Motor Overload Relays (1,000+ items) - Page 25
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About Motor Overload Relays

An overload relay is an electrical protection device that is designed to prevent an electric motor from drawing too much current and burning out. This type of relay monitors the current being drawn by the motor, and if it exceeds a certain threshold, it will trip the circuit and shut off power to the motor.

Types of Overload Relays

Overload relays come in many different types, including DC overload relays, electronic overload relays, and motor overload relays. Each type of relay is designed for a specific purpose and can be customized based on the application requirements. For example, some relays are designed for high-voltage applications while others are better suited for low-voltage operations.

How Overload Relays are Made

Overload relays are typically made from metal alloys such as copper or aluminum. These metals provide good conductivity so that electricity can flow through them easily. The components inside an overload relay are usually composed of semiconductor materials like silicon or gallium arsenide which allow them to detect changes in current flow.

Industries that use Overload Relays

Overload relays are commonly used in industrial settings such as manufacturing plants or power plants where large amounts of electricity need to be managed efficiently. They are also used in residential applications such as air conditioners or water heaters where they help protect against damage caused by surges in electricity demand.

Find the Overload 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.
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