Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Promo Codes
  • Contact Us
Added to Cart
Skip to Main Content
FREE Shipping on orders over $50 after you .
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
Cart Icon
0
Cart Icon
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Electrical Supplies
  4. /
  5. Industrial Electrical Controls & Automation
  6. /
  7. Electrical Controls
  8. /
  9. Motor Overload Relays
Search Feedback

Motor Overload Relays (1,000+ items) - Page 8

Square D Thermal Overload Relay, 1NC/1NO, 1 A Min current, 1.6 A Max current LRD06
Square D

Thermal Overload Relay, 1NC/1NO, 1 A Min current, 1.6 A Max current

Zoro # G309981977
Mfr # LRD06
product price: $82.75
/ea
Siemens Overload relay 3.5...5.0 A Thermal For motor protection Size S00 Class 10 3RU2116-1FB1
Siemens

Overload relay 3.5...5.0 A Thermal For motor protection Size S00 Class 10

Zoro # G815281448
Mfr # 3RU2116-1FB1
product price: $85.29
/ea
Sold in mult. of 5 for $426.45
Siemens Overload relay 28.40 A Thermal For motor protection Size S2 Class 10 3RU2136-4FB1
Siemens

Overload relay 28.40 A Thermal For motor protection Size S2 Class 10

Zoro # G315366638
Mfr # 3RU2136-4FB1
product price: $166.99
/ea
Sold in mult. of 3 for $500.97
Siemens Overload Relay, 1NC/1NO, 0.32 A Min current, 1.25 A Max current, 690V AC 3RB31134NB0
Siemens

Overload Relay, 1NC/1NO, 0.32 A Min current, 1.25 A Max current, 690V AC

Zoro # G4286913
Mfr # 3RB31134NB0
product price: $222.99
/ea
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: $517.99
/ea
Lovato 3P O/L Relay 17-23Amps W/Manua RF382300
Lovato

3P O/L Relay 17-23Amps W/Manua

Zoro # G322868880
Mfr # RF382300
product price: $131.99
/pk 5, $26.40/ea
Lovato 6.3-10 Overload Relay RF381000
Lovato

6.3-10 Overload Relay

Zoro # G022868791
Mfr # RF381000
product price: $105.99
/pk 5, $21.20/ea
Lovato T/O Relay 2, 5-4A RF380400
Lovato

T/O Relay 2, 5-4A

Zoro # G922868884
Mfr # RF380400
product price: $105.99
/ea
Schneider Electric Overload Module, 4.5 A Min current, 18 A Max current, 690V AC LUCA18BL
Schneider Electric

Overload Module, 4.5 A Min current, 18 A Max current, 690V AC

Zoro # G0852671
Mfr # LUCA18BL
product price: $151.99
/ea
Abb TA200DU90, THERMAL OVERLOAD RELAY TA200DU90
Abb

TA200DU90, THERMAL OVERLOAD RELAY

Zoro # G9284671
Mfr # TA200DU90
product price: $275.99
/ea
Eaton Overload Relay, 1NC/1NO, 0.40 A Min current, 0.60 A Max current XTOMP60AC1
Eaton

Overload Relay, 1NC/1NO, 0.40 A Min current, 0.60 A Max current

Zoro # G3148591
Mfr # XTOMP60AC1
product price: $82.29
/ea
Siemens Overload Relay, 1NC/1NO, 18 A Min current, 25 A Max current, 690V AC 3RU21364DB0
Siemens

Overload Relay, 1NC/1NO, 18 A Min current, 25 A Max current, 690V AC

Zoro # G2135483
Mfr # 3RU21364DB0
product price: $102.99
/ea
Noark Overload, 10A, 2P RHU-10-10K1
Noark

Overload, 10A, 2P

Zoro # G3854022
Mfr # RHU-10-10K1
product price: $47.29
/ea
Sold in mult. of 2 for $94.58
Abb TOL, AF40-65, CLASS-10, 22-28A TF65-28
Abb

TOL, AF40-65, CLASS-10, 22-28A

Zoro # G9283892
Mfr # TF65-28
product price: $149.99
/ea
Siemens Overload relay 32...115 A Electronic For motor protection Size S3 Class 10E 3RB3046-1XB0
Siemens

Overload relay 32...115 A Electronic For motor protection Size S3 Class 10E

Zoro # G515366650
Mfr # 3RB3046-1XB0
product price: $411.99
/ea
Lovato 3P Overload Relay 0.4-0.63 Amp For Bf09-Bf38 RF380063
Lovato

3P Overload Relay 0.4-0.63 Amp For Bf09-Bf38

Zoro # G822868854
Mfr # RF380063
product price: $108.99
/ea
Schneider Electric Relay 600V 10Amp Tesys + Options CAD32BL
Schneider Electric

Relay 600V 10Amp Tesys + Options

Zoro # G0570127
Mfr # CAD32BL
product price: $166.99
/ea
Schneider Electric Control Relay 600Vac 10Amp Iec +Options CA3KN40GD
Schneider Electric

Control Relay 600Vac 10Amp Iec +Options

Zoro # G0570090
Mfr # CA3KN40GD
product price: $80.35
/ea
Lovato Non Phase Failure / Non Single 3 Pole Overload RFN381400
Lovato

Non Phase Failure / Non Single 3 Pole Overload

Zoro # G522868796
Mfr # RFN381400
product price: $146.99
/ea
Lovato Mmp 9-14 Amps SM1RE1400
Lovato

Mmp 9-14 Amps

Zoro # G922868259
Mfr # SM1RE1400
product price: $216.99
/ea
Allen Bradley 1.27 to 1.39 A, Manual Reset, Class 20, Type W, Standard, Overload Relay Heater Element W30
Allen Bradley

1.27 to 1.39 A, Manual Reset, Class 20, Type W, Standard, Overload Relay Heater Element

Zoro # G216474449
Mfr # W30
product price: $17.77
/ea
Sold in mult. of 2 for $35.54
Schneider Electric IEC Overload Relay, 1NC/1NO, 2.5 A Min current, 4 A Max current, 690V AC DPER08
Schneider Electric

IEC Overload Relay, 1NC/1NO, 2.5 A Min current, 4 A Max current, 690V AC

Zoro # G103481079
Mfr # DPER08
product price: $29.39
/ea
Siemens Overload Relay, 1NC/1NO, 23 A Min current, 28 A Max current, 690V AC 3RU21264NB0
Siemens

Overload Relay, 1NC/1NO, 23 A Min current, 28 A Max current, 690V AC

Zoro # G4286721
Mfr # 3RU21264NB0
product price: $137.99
/ea
Dayton Overload Relay, 1NC/1NO, 48 A Min current, 65 A Max current 6ECA0
Dayton

Overload Relay, 1NC/1NO, 48 A Min current, 65 A Max current

Zoro # G0657851
Mfr # 6ECA0
product price: $38.19
/ea
Schneider Electric Overload Relay, 1NC/1NO, 12 A Min current, 18 A Max current, 690V AC LR3D21L
Schneider Electric

Overload Relay, 1NC/1NO, 12 A Min current, 18 A Max current, 690V AC

Zoro # G5383296
Mfr # LR3D21L
product price: $82.29
/ea
Schneider Electric Overload Relay, 1NC/1NO, 1.6 A Min current, 2.5 A Max current, 690V AC LRD07L
Schneider Electric

Overload Relay, 1NC/1NO, 1.6 A Min current, 2.5 A Max current, 690V AC

Zoro # G5383226
Mfr # LRD07L
product price: $96.15
/ea
Eaton Overload Relay, 1NC/1NO, 0.60 A Min current, 1 A Max current XTOM001AC1
Eaton

Overload Relay, 1NC/1NO, 0.60 A Min current, 1 A Max current

Zoro # G2078291
Mfr # XTOM001AC1
product price: $75.23
/ea
Siemens Overload Relay, 1NC/1NO, 11 A Min current, 16 A Max current, 690V AC 3RU21164AB0
Siemens

Overload Relay, 1NC/1NO, 11 A Min current, 16 A Max current, 690V AC

Zoro # G4286642
Mfr # 3RU21164AB0
product price: $81.79
/ea
Square D Overload Relay, 1NC/1NO, 80 A Min current, 104 A Max current, 1000V AC LRD4365
Square D

Overload Relay, 1NC/1NO, 80 A Min current, 104 A Max current, 1000V AC

Zoro # G2410703
Mfr # LRD4365
product price: $478.99
/ea
Siemens Overload Relay, 1NC/1NO, 3.5 A Min current, 5 A Max current, 690V AC 3RU21261FB0
Siemens

Overload Relay, 1NC/1NO, 3.5 A Min current, 5 A Max current, 690V AC

Zoro # G4312761
Mfr # 3RU21261FB0
product price: $102.59
/ea
Siemens Overload Relay, 1NC/1NO, 0.90 A Min current, 1.25 A Max current, 690V AC 3RU21160KB0
Siemens

Overload Relay, 1NC/1NO, 0.90 A Min current, 1.25 A Max current, 690V AC

Zoro # G4316785
Mfr # 3RU21160KB0
product price: $78.25
/ea
Siemens Overload Relay, 1NC/1NO, 1.8 A Min current, 2.5 A Max current, 690V AC 3RU21261CB0
Siemens

Overload Relay, 1NC/1NO, 1.8 A Min current, 2.5 A Max current, 690V AC

Zoro # G4286651
Mfr # 3RU21261CB0
product price: $92.19
/ea
Schneider Electric IEC Overload Relay, 1NC/1NO, 0.63 A Min current, 1 A Max current, 690V AC DPER05
Schneider Electric

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

Zoro # G603481135
Mfr # DPER05
product price: $25.47
/ea
Siemens Overload Relay, 1NC/1NO, 40 A Min current, 50 A Max current, 690V AC 3RU21364HB0
Siemens

Overload Relay, 1NC/1NO, 40 A Min current, 50 A Max current, 690V AC

Zoro # G3793257
Mfr # 3RU21364HB0
product price: $209.99
/ea
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: $105.99
/pk 5, $21.20/ea
Schneider Electric Overload Relay, 1NC/1NO, 48 A Min current, 65 A Max current, 690V AC LRD365L
Schneider Electric

Overload Relay, 1NC/1NO, 48 A Min current, 65 A Max current, 690V AC

Zoro # G2513944
Mfr # LRD365L
product price: $152.99
/ea
Motor Overload Relays (1,000+ items) - Page 8
  • First
  • Previous
  • 8
    of 38 pages
  • Next
  • Last

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.
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.

Related Categories

Electrical Contactors & ContactsMotor Starters, Enclosures & AccessoriesThermal UnitsManual Motor ProtectorsSwitches
Electrical RelaysProximity SensorsLighting PhotocontrolsSensor AccessoriesElectronic Timers
200 amp relay220v motor3 phase thermal overload relayadvance controls overload25a dayton iec contactor
bimetallic overload relaycommunication module12 vdc relay25a dayton iec contactors120vac non reversing iec magnetic contactor

Sign Up & Save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow Us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every Part Plays a Part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Promo Codes
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research

Zoro, Inc

Connect

Customer Service From Real People

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc