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  9. Motor Overload Relays

Motor Overload Relays (1,000+ items) - Page 23

Siemens Overload relay 47.57 A Thermal For motor protection Size S2 Class 10 3RU2136-4QB1
Siemens

Overload relay 47.57 A Thermal For motor protection Size S2 Class 10

Zoro # G815366633
Mfr # 3RU2136-4QB1
product price:  $226.99
/ea
Sold in mult. of 2 for $453.98
Siemens Overload relay 0.90.1.25 A Thermal For motor protection Size S00 Class 10 3RU2116-0KC0
Siemens

Overload relay 0.90.1.25 A Thermal For motor protection Size S00 Class 10

Zoro # G715281708
Mfr # 3RU2116-0KC0
product price:  $77.25
/ea
Sold in mult. of 6 for $463.50
Siemens Overload relay 32.115 A Electronic For motor protection Size S3 Class 20E 3RB3046-2XB0
Siemens

Overload relay 32.115 A Electronic For motor protection Size S3 Class 20E

Zoro # G015280906
Mfr # 3RB3046-2XB0
product price:  $539.99
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 110 A Min current, 135 A Max current, 690 V B3UA62-00-3J
Brah Electric

IEC Overload Relay, 1NO/1NC, 110 A Min current, 135 A Max current, 690 V

Zoro # G915543170
Mfr # B3UA62-00-3J
product price:  $246.99
/ea
Siemens Overload relay 54...65 A Thermal For motor protection Size S2 Class 10 3RU2136-4JB1
Siemens

Overload relay 54...65 A Thermal For motor protection Size S2 Class 10

Zoro # G215366653
Mfr # 3RU2136-4JB1
product price:  $210.99
/ea
Sold in mult. of 2 for $421.98
Siemens Overload relay 32.115 A Electronic For motor protection Size S3 Class 10E 3RB3046-1XD0
Siemens

Overload relay 32.115 A Electronic For motor protection Size S3 Class 10E

Zoro # G915874816
Mfr # 3RB3046-1XD0
product price:  $524.99
/ea
Siemens Overload relay 57.75 A Thermal For motor protection Size S3 Class 10 3RU2146-4KD0
Siemens

Overload relay 57.75 A Thermal For motor protection Size S3 Class 10

Zoro # G415874835
Mfr # 3RU2146-4KD0
product price:  $275.99
/ea
Sold in mult. of 3 for $827.97
Schneider Electric TeSys Deca thermal overload relays , 17.25A , class 20 LR2D3522
Schneider Electric

TeSys Deca thermal overload relays , 17.25A , class 20

Zoro # G0569801
Mfr # LR2D3522
product price:  $151.99
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 1.6 A Min current, 2.5 A Max current, 660 V BLR2D1307
Brah Electric

IEC Overload Relay, 1NO/1NC, 1.6 A Min current, 2.5 A Max current, 660 V

Zoro # G915543279
Mfr # BLR2D1307
product price:  $62.15
/ea
Siemens Overload Relay, 1NC/1NO, 20 A Min current, 80 A Max current 3RB3036-1WW1
Siemens

Overload Relay, 1NC/1NO, 20 A Min current, 80 A Max current

Zoro # G215350300
Mfr # 3RB3036-1WW1
product price:  $370.99
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 0.63 A Min current, 1 A Max current, 690 V B3UA59-00-0J
Brah Electric

IEC Overload Relay, 1NO/1NC, 0.63 A Min current, 1 A Max current, 690 V

Zoro # G315543213
Mfr # B3UA59-00-0J
product price:  $113.99
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 90 A Min current, 120 A Max current, 690 V B3UA62-00-3H
Brah Electric

IEC Overload Relay, 1NO/1NC, 90 A Min current, 120 A Max current, 690 V

Zoro # G215543276
Mfr # B3UA62-00-3H
product price:  $246.99
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 0.1 A Min current, 0.16 A Max current, 660 V BLR2K0301
Brah Electric

IEC Overload Relay, 1NO/1NC, 0.1 A Min current, 0.16 A Max current, 660 V

Zoro # G515543228
Mfr # BLR2K0301
product price:  $88.69
/ea
Noark Overload 25 Amp 3P RHU-10-25A2
Noark

Overload 25 Amp 3P

Zoro # G7160074
Mfr # RHU-10-25A2
product price:  $45.95
/ea
Sold in mult. of 2 for $91.90
Brah Electric IEC Overload Relay, 1NO/1NC, 0.8 A Min current, 1.25 A Max current, 690 V B3UA52-00-0K
Brah Electric

IEC Overload Relay, 1NO/1NC, 0.8 A Min current, 1.25 A Max current, 690 V

Zoro # G615543289
Mfr # B3UA52-00-0K
product price:  $82.55
/ea
Siemens Overload relay 3.5.5.0 A Thermal For motor protection Size S00 Class 10 3RU2116-1FC0
Siemens

Overload relay 3.5.5.0 A Thermal For motor protection Size S00 Class 10

Zoro # G215281512
Mfr # 3RU2116-1FC0
product price:  $82.75
/ea
Sold in mult. of 6 for $496.50
Siemens Overload relay 22.32 A Thermal For motor protection Size S2 Class 10 3RU2136-4ED1
Siemens

Overload relay 22.32 A Thermal For motor protection Size S2 Class 10

Zoro # G315366645
Mfr # 3RU2136-4ED1
product price:  $173.99
/ea
Sold in mult. of 3 for $521.97
Siemens Overload relay 2.2.3.2 A Thermal For motor protection Size S0 Class 10 3RU2126-1DC0
Siemens

Overload relay 2.2.3.2 A Thermal For motor protection Size S0 Class 10

Zoro # G415263882
Mfr # 3RU2126-1DC0
product price:  $82.89
/ea
Sold in mult. of 5 for $414.45
Siemens Overload Relay, 1NC/1NO, 0.10 A Min current, 0.40 A Max current 3RB3026-2RE0
Siemens

Overload Relay, 1NC/1NO, 0.10 A Min current, 0.40 A Max current

Zoro # G415350360
Mfr # 3RB3026-2RE0
product price:  $224.99
/ea
Sold in mult. of 2 for $449.98
Brah Electric IEC Overload Relay, 1NO/1NC, 8 A Min current, 12.5 A Max current, 690 V B3UA55-00-1K
Brah Electric

IEC Overload Relay, 1NO/1NC, 8 A Min current, 12.5 A Max current, 690 V

Zoro # G015543186
Mfr # B3UA55-00-1K
product price:  $123.99
/ea
Siemens Overload relay 70.90 A Thermal For motor protection Size S3 Class 10 3RU2146-4LD1
Siemens

Overload relay 70.90 A Thermal For motor protection Size S3 Class 10

Zoro # G815874794
Mfr # 3RU2146-4LD1
product price:  $361.99
/ea
Sold in mult. of 2 for $723.98
Siemens Overload relay 11.16 A Thermal For motor protection Size S2 Class 10 3RU2136-4AD0
Siemens

Overload relay 11.16 A Thermal For motor protection Size S2 Class 10

Zoro # G215366639
Mfr # 3RU2136-4AD0
product price:  $104.99
/ea
Sold in mult. of 4 for $419.96
Brah Electric IEC Overload Relay, 1NO/1NC, 0.1 A Min current, 0.16 A Max current, 690 V B3UA55-00-0A
Brah Electric

IEC Overload Relay, 1NO/1NC, 0.1 A Min current, 0.16 A Max current, 690 V

Zoro # G115543239
Mfr # B3UA55-00-0A
product price:  $123.99
/ea
Siemens Overload relay 12.5.50 A Electronic For motor protection Size S3 Class 3RB3046-2UX1
Siemens

Overload relay 12.5.50 A Electronic For motor protection Size S3 Class

Zoro # G215874806
Mfr # 3RB3046-2UX1
product price:  $663.99
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 0.63 A Min current, 1 A Max current, 690 V B3UA50-00-0J
Brah Electric

IEC Overload Relay, 1NO/1NC, 0.63 A Min current, 1 A Max current, 690 V

Zoro # G015543216
Mfr # B3UA50-00-0J
product price:  $72.45
/ea
Siemens Overload relay 54...65 A Thermal For motor protection Size S2 Class 10 3RU2136-4JD0
Siemens

Overload relay 54...65 A Thermal For motor protection Size S2 Class 10

Zoro # G915366632
Mfr # 3RU2136-4JD0
product price:  $174.99
/ea
Sold in mult. of 3 for $524.97
Siemens Overload relay 18...25 A Thermal For motor protection Size S2 Class 10 3RU2136-4DD0
Siemens

Overload relay 18...25 A Thermal For motor protection Size S2 Class 10

Zoro # G115366654
Mfr # 3RU2136-4DD0
product price:  $90.99
/ea
Sold in mult. of 4 for $363.96
Brah Electric IEC Overload Relay, 1NO/1NC, 250 A Min current, 400 A Max current, 690 V B3UA66-00-3E
Brah Electric

IEC Overload Relay, 1NO/1NC, 250 A Min current, 400 A Max current, 690 V

Zoro # G115543208
Mfr # B3UA66-00-3E
product price:  $532.99
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 50 A Min current, 63 A Max current, 690 V B3UA58-00-2P
Brah Electric

IEC Overload Relay, 1NO/1NC, 50 A Min current, 63 A Max current, 690 V

Zoro # G715543219
Mfr # B3UA58-00-2P
product price:  $141.99
/ea
Siemens Overload relay 0.28.0.40 A Thermal For motor protection Size S00 Class 10 3RU2116-0EC0
Siemens

Overload relay 0.28.0.40 A Thermal For motor protection Size S00 Class 10

Zoro # G715281425
Mfr # 3RU2116-0EC0
product price:  $77.25
/ea
Sold in mult. of 6 for $463.50
Siemens Overload Relay, 1NC/1NO, 0.32 A Min current, 1.25 A Max current 3RB3113-4NE0
Siemens

Overload Relay, 1NC/1NO, 0.32 A Min current, 1.25 A Max current

Zoro # G515366636
Mfr # 3RB3113-4NE0
product price:  $298.99
/ea
Sold in mult. of 2 for $597.98
Siemens Overload Relay, 1NC/1NO, 10 A Min current, 40 A Max current 3RB3123-4VE0
Siemens

Overload Relay, 1NC/1NO, 10 A Min current, 40 A Max current

Zoro # G115366647
Mfr # 3RB3123-4VE0
product price:  $360.99
/ea
Siemens Overload relay 0.70.1.0 A Thermal For motor protection Size S00 Class 10 3RU2116-0JC0
Siemens

Overload relay 0.70.1.0 A Thermal For motor protection Size S00 Class 10

Zoro # G815281776
Mfr # 3RU2116-0JC0
product price:  $77.25
/ea
Sold in mult. of 6 for $463.50
Brah Electric IEC Overload Relay, 1NO/1NC, 5 A Min current, 8 A Max current, 690 V B3UA50-00-1H
Brah Electric

IEC Overload Relay, 1NO/1NC, 5 A Min current, 8 A Max current, 690 V

Zoro # G415543199
Mfr # B3UA50-00-1H
product price:  $58.49
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 16 A Min current, 25 A Max current, 690 V B3UA52-00-2C
Brah Electric

IEC Overload Relay, 1NO/1NC, 16 A Min current, 25 A Max current, 690 V

Zoro # G515543211
Mfr # B3UA52-00-2C
product price:  $82.55
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 90 A Min current, 120 A Max current, 690 V B3UA60-00-3H
Brah Electric

IEC Overload Relay, 1NO/1NC, 90 A Min current, 120 A Max current, 690 V

Zoro # G015543247
Mfr # B3UA60-00-3H
product price:  $195.99
/ea
Motor Overload Relays (1,000+ items) - Page 23
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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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