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

Motor Overload Relays (1,000+ items) - Page 27

Noark Overload Class 20 2.5-4.0A MT-32/3D-3.3S
Noark

Overload Class 20 2.5-4.0A

Zoro # G7168368
Mfr # MT-32/3D-3.3S
product price: 
$94.15
/ea
Noark Overload 6.3 Amp 2P RHU-10-6.3K1
Noark

Overload 6.3 Amp 2P

Zoro # G7160196
Mfr # RHU-10-6.3K1
product price: 
$53.35
/ea
Sold in mult. of 2 for $106.70
Square D OVERLOAD RELAY LR2K0305
Square D

OVERLOAD RELAY

Zoro # G824278484
Mfr # LR2K0305
product price: 
$215.99
/ea
Enerpac Cable Overload To Contactor DC8312960
Enerpac

Cable Overload To Contactor

Zoro # G908213844
Mfr # DC8312960
product price: 
$20.55
/ea
Imo Automation Thermal Overload Relay 1.8-2.7A MCOR-1-2.7
Imo Automation

Thermal Overload Relay 1.8-2.7A

Zoro # G324257026
Mfr # MCOR-1-2.7
product price: 
$64.69
/ea
Noark Overload 9.0-12.5A 3 Pole RHU-10/1-12.5
Noark

Overload 9.0-12.5A 3 Pole

Zoro # G8155438
Mfr # RHU-10/1-12.5
product price: 
$54.39
/ea
Noark Overload Class 20 45-65A MT-63/3D-55S
Noark

Overload Class 20 45-65A

Zoro # G7168404
Mfr # MT-63/3D-55S
product price: 
$140.99
/ea
Imo Automation Thermal Overload Relay 14-20A/YD 24-35A MCOR-2-20
Imo Automation

Thermal Overload Relay 14-20A/YD 24-35A

Zoro # G824278040
Mfr # MCOR-2-20
product price: 
$159.99
/ea
Noark Overload .9-1.3A 3 Pole RHU-10/1-1.3
Noark

Overload .9-1.3A 3 Pole

Zoro # G7159566
Mfr # RHU-10/1-1.3
product price: 
$45.35
/ea
Sold in mult. of 2 for $90.70
Square D BI-METALLIC OVERLOAD RELAY LR3D22L
Square D

BI-METALLIC OVERLOAD RELAY

Zoro # G724291460
Mfr # LR3D22L
product price: 
$79.59
/ea
Weg Rw17-2D3-U017 Weg Overload Relay RW17-2D3-U017
Weg

Rw17-2D3-U017 Weg Overload Relay

Zoro # G722868671
Mfr # RW17-2D3-U017
product price: 
$61.79
/ea
Lovato Electronic Overload Relay 0, 4 RFE450200
Lovato

Electronic Overload Relay 0, 4

Zoro # G222868782
Mfr # RFE450200
product price: 
$201.99
/ea
Imo Automation Thermal Overload Relay 0.27-0.4A U12/16E0.4K1
Imo Automation

Thermal Overload Relay 0.27-0.4A

Zoro # G524237545
Mfr # U12/16E0.4K1
product price: 
$62.55
/ea
Imo Automation Thermal Overload Relay 0.27-0.4A MCOR-1-0.4
Imo Automation

Thermal Overload Relay 0.27-0.4A

Zoro # G924284132
Mfr # MCOR-1-0.4
product price: 
$64.69
/ea
Lovato T/O Relay 0, 25-0, 4A RF380040
Lovato

T/O Relay 0, 25-0, 4A

Zoro # G622868740
Mfr # RF380040
product price: 
$115.99
/ea
Noark Thermal overload relay - 38A frame - 5.5-8A setting - class 10 - direct mount EX9R38B8A
Noark

Thermal overload relay - 38A frame - 5.5-8A setting - class 10 - direct mount

Zoro # G422704675
Mfr # EX9R38B8A
product price: 
$77.59
/ea
Noark Overload 21.5 Amp 2P RHU-10-21.5K1
Noark

Overload 21.5 Amp 2P

Zoro # G7160083
Mfr # RHU-10-21.5K1
product price: 
$48.19
/ea
Sold in mult. of 2 for $96.38
Noark Overload 21-25A 3 Pole, 2 RHU-10/2-25
Noark

Overload 21-25A 3 Pole, 2

Zoro # G7159679
Mfr # RHU-10/2-25
product price: 
$45.35
/ea
Sold in mult. of 2 for $90.70
Noark Overload, 25A, 3P RHU-10-25A1
Noark

Overload, 25A, 3P

Zoro # G8666041
Mfr # RHU-10-25A1
product price: 
$45.95
/ea
Sold in mult. of 2 for $91.90
Noark Overload 90 Amp 2P RHU-80L-90K3
Noark

Overload 90 Amp 2P

Zoro # G7160275
Mfr # RHU-80L-90K3
product price: 
$100.99
/ea
Noark Overload 9-12.5A 2 Pole RHUS-10/1-12.5
Noark

Overload 9-12.5A 2 Pole

Zoro # G7159593
Mfr # RHUS-10/1-12.5
product price: 
$49.45
/ea
Sold in mult. of 2 for $98.90
Serco Overload Relays, Overload Relay 632-149
Serco

Overload Relays, Overload Relay

Zoro # G7828144
Mfr # 632-149
product price: 
$323.99
/ea
Square D BIMETALLIC OVERLOAD RELAY 600V 70A GSA GS-07F-0095T" GSA GS-07F-0095T LRD3361
Square D

BIMETALLIC OVERLOAD RELAY 600V 70A GSA GS-07F-0095T" GSA GS-07F-0095T

Zoro # G624292192
Mfr # LRD3361
product price: 
$162.99
/ea
Lovato Motor Protection Relay, 90-110A Three-Pole, Manual Resetting,  RF110110
Lovato

Motor Protection Relay, 90-110A Three-Pole, Manual Resetting,

Zoro # G822868816
Mfr # RF110110
product price: 
$649.99
/ea
Noark Overload 0.25-0.40A 3 Pole RHU-5-.40
Noark

Overload 0.25-0.40A 3 Pole

Zoro # G7159435
Mfr # RHU-5-.40
product price: 
$43.95
/ea
Sold in mult. of 2 for $87.90
Lovato 3P O/L Relay 4-6.5 Amps W/Manu RF380650
Lovato

3P O/L Relay 4-6.5 Amps W/Manu

Zoro # G922868778
Mfr # RF380650
product price: 
$578.99
/pk 5, $115.80/ea
Imo Automation Thermal Overload Relay 0.8-1.2A U12/16E1.2-MC
Imo Automation

Thermal Overload Relay 0.8-1.2A

Zoro # G724244817
Mfr # U12/16E1.2-MC
product price: 
$58.75
/ea
Lovato Overload Relay, 24-32 Amps RF383200
Lovato

Overload Relay, 24-32 Amps

Zoro # G322868811
Mfr # RF383200
product price: 
$203.99
/ea
Imo Automation Thermal Overload Relay 0.6-0.9A U12/16E0.9K1
Imo Automation

Thermal Overload Relay 0.6-0.9A

Zoro # G124266969
Mfr # U12/16E0.9K1
product price: 
$62.55
/ea
Noark Overload 17-25A 3 Pole, 1 RHU-80/1-25
Noark

Overload 17-25A 3 Pole, 1

Zoro # G7028526
Mfr # RHU-80/1-25
product price: 
$81.39
/ea
Noark Overload 35-47A 3 Pole, 3 RHU-80/3-47
Noark

Overload 35-47A 3 Pole, 3

Zoro # G7654344
Mfr # RHU-80/3-47
product price: 
$87.19
/ea
Noark Overload 1.8-2.5A 3 Pole RHU-10/1-2.5
Noark

Overload 1.8-2.5A 3 Pole

Zoro # G7654256
Mfr # RHU-10/1-2.5
product price: 
$50.59
/ea
Noark Overload 3.5-4.8A 3 Pole RHU-5-4.8
Noark

Overload 3.5-4.8A 3 Pole

Zoro # G7654089
Mfr # RHU-5-4.8
product price: 
$51.49
/ea
Noark Overload 21-25A 3 Pole RHU-10/1-25
Noark

Overload 21-25A 3 Pole

Zoro # G7654186
Mfr # RHU-10/1-25
product price: 
$50.49
/ea
Sold in mult. of 2 for $100.98
Noark Overload 2.9-4.0A 3 Pole RHU-10/1-4.0
Noark

Overload 2.9-4.0A 3 Pole

Zoro # G7654274
Mfr # RHU-10/1-4.0
product price: 
$45.39
/ea
Sold in mult. of 2 for $90.78
Noark Overload 5.5-7.5, 2-Pole RHUS-10/1-7.5
Noark

Overload 5.5-7.5, 2-Pole

Zoro # G7654159
Mfr # RHUS-10/1-7.5
product price: 
$39.35
/ea
Sold in mult. of 2 for $78.70
Motor Overload Relays (1,000+ items) - Page 27
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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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