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
  • Deals
  • Contact Us
Added to Cart
Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro Homepage
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Support
0
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

Motor Overload Relays (1,000+ items) - Page 11

Schneider Electric IEC Overload Relay, 1NC/1NO, 0.40 A Min current, 0.63 A Max current, 690V AC DPER04
Schneider Electric

IEC Overload Relay, 1NC/1NO, 0.40 A Min current, 0.63 A Max current, 690V AC

Zoro # G403481151
Mfr # DPER04
product price: 
$26.29
/ea
Eaton Overload Relay, 2NC/2NO, 1 A Min current, 5 A Max current, 690V AC C440A1A005SDD
Eaton

Overload Relay, 2NC/2NO, 1 A Min current, 5 A Max current, 690V AC

Zoro # G510041736
Mfr # C440A1A005SDD
product price: 
$185.99
/ea
Siemens Overload Relay, 1NC/1NO, 4.5 A Min current, 6.3 A Max current, 690V AC 3RU21261GB0
Siemens

Overload Relay, 1NC/1NO, 4.5 A Min current, 6.3 A Max current, 690V AC

Zoro # G4286685
Mfr # 3RU21261GB0
product price: 
$99.79
/ea
Eaton Overload Relay, 1NC/1NO, 1 A Min current, 5 A Max current XTOE005CGSS
Eaton

Overload Relay, 1NC/1NO, 1 A Min current, 5 A Max current

Zoro # G2457971
Mfr # XTOE005CGSS
product price: 
$190.99
/ea
Siemens Overload Relay, 1NC/1NO, 1.1 A Min current, 1.6 A Max current, 690V AC 3RU21161AB0
Siemens

Overload Relay, 1NC/1NO, 1.1 A Min current, 1.6 A Max current, 690V AC

Zoro # G4286554
Mfr # 3RU21161AB0
product price: 
$77.49
/ea
Siemens Overload Relay, 1NC/1NO, 0.45 A Min current, 0.63 A Max current, 690V AC 3RU21160GB0
Siemens

Overload Relay, 1NC/1NO, 0.45 A Min current, 0.63 A Max current, 690V AC

Zoro # G4286527
Mfr # 3RU21160GB0
product price: 
$78.39
/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: 
$77.29
/ea
Eaton Overload Relay, 1NC/1NO, 4 A Min current, 6 A Max current XTOM006AC1
Eaton

Overload Relay, 1NC/1NO, 4 A Min current, 6 A Max current

Zoro # G0680285
Mfr # XTOM006AC1
product price: 
$72.79
/ea
Siemens Overload Relay, 1NC/1NO, 1.8 A Min current, 2.5 A Max current, 690V AC 3RU21161CB0
Siemens

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

Zoro # G4286572
Mfr # 3RU21161CB0
product price: 
$75.59
/ea
Eaton Overload Relay, 1NC/1NO, 9 A Min current, 45 A Max current XTOE045CGS
Eaton

Overload Relay, 1NC/1NO, 9 A Min current, 45 A Max current

Zoro # G2989034
Mfr # XTOE045CGS
product price: 
$200.99
/ea
Siemens Overload Relay, 1NC/1NO, 5.5 A Min current, 8 A Max current, 690V AC 3RU21261HB0
Siemens

Overload Relay, 1NC/1NO, 5.5 A Min current, 8 A Max current, 690V AC

Zoro # G4286694
Mfr # 3RU21261HB0
product price: 
$89.49
/ea
Siemens Overload Relay, 1NC/1NO, 2.2 A Min current, 3.2 A Max current, 690V AC 3RU21261DB0
Siemens

Overload Relay, 1NC/1NO, 2.2 A Min current, 3.2 A Max current, 690V AC

Zoro # G4286667
Mfr # 3RU21261DB0
product price: 
$93.69
/ea
Siemens Overload Relay, 1NC/1NO, 34 A Min current, 40 A Max current, 690V AC 3RU21264FB0
Siemens

Overload Relay, 1NC/1NO, 34 A Min current, 40 A Max current, 690V AC

Zoro # G4286782
Mfr # 3RU21264FB0
product price: 
$142.99
/ea
Eaton Overload Relay, 1NC/1NO, 9 A Min current, 45 A Max current XTOE045CGSS
Eaton

Overload Relay, 1NC/1NO, 9 A Min current, 45 A Max current

Zoro # G0462874
Mfr # XTOE045CGSS
product price: 
$215.99
/ea
Siemens Overload Relay, 1NC/1NO, 0.11 A Min current, 0.16 A Max current, 690V AC 3RU21160AB0
Siemens

Overload Relay, 1NC/1NO, 0.11 A Min current, 0.16 A Max current, 690V AC

Zoro # G4286475
Mfr # 3RU21160AB0
product price: 
$79.19
/ea
Siemens Overload Relay, 1NC/1NO, 22 A Min current, 32 A Max current, 690V AC 3RU21364EB0
Siemens

Overload Relay, 1NC/1NO, 22 A Min current, 32 A Max current, 690V AC

Zoro # G2135465
Mfr # 3RU21364EB0
product price: 
$155.99
/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
Siemens Overload Relay, 1NC/1NO, 3 A Min current, 12 A Max current, 690V AC 3RB31234SB0
Siemens

Overload Relay, 1NC/1NO, 3 A Min current, 12 A Max current, 690V AC

Zoro # G4286983
Mfr # 3RB31234SB0
product price: 
$256.99
/ea
Siemens Overload Relay, 1NC/1NO, 54 A Min current, 65 A Max current, 690V AC 3RU21364JB0
Siemens

Overload Relay, 1NC/1NO, 54 A Min current, 65 A Max current, 690V AC

Zoro # G3793239
Mfr # 3RU21364JB0
product price: 
$194.99
/ea
Eaton Overload Relay, 1NC/1NO, 0.33 A Min current, 1.65 A Max current XTOE1P6CCSS
Eaton

Overload Relay, 1NC/1NO, 0.33 A Min current, 1.65 A Max current

Zoro # G0965142
Mfr # XTOE1P6CCSS
product price: 
$124.99
/ea
Siemens Overload Relay, 1NC/1NO, 3 A Min current, 12 A Max current, 690V AC 3UB88234CW2
Siemens

Overload Relay, 1NC/1NO, 3 A Min current, 12 A Max current, 690V AC

Zoro # G6957921
Mfr # 3UB88234CW2
product price: 
$223.99
/ea
Eaton Overload Relay, 1NC/1NO, 0.33 A Min current, 1.65 A Max current XTOE1P6CCS
Eaton

Overload Relay, 1NC/1NO, 0.33 A Min current, 1.65 A Max current

Zoro # G2433593
Mfr # XTOE1P6CCS
product price: 
$120.99
/ea
Eaton Overload Relay, 1NC/1NO, 20 A Min current, 100 A Max current XTOE100GGS
Eaton

Overload Relay, 1NC/1NO, 20 A Min current, 100 A Max current

Zoro # G3158023
Mfr # XTOE100GGS
product price: 
$360.99
/ea
Siemens Overload Relay, 1NC/1NO, 80 A Min current, 100 A Max current, 690V AC 3RU21464MB0
Siemens

Overload Relay, 1NC/1NO, 80 A Min current, 100 A Max current, 690V AC

Zoro # G2133128
Mfr # 3RU21464MB0
product price: 
$352.99
/ea
Siemens Overload Relay, 1NC/1NO, 50 A Min current, 200 A Max current, 1000V AC 3RB21534FC2
Siemens

Overload Relay, 1NC/1NO, 50 A Min current, 200 A Max current, 1000V AC

Zoro # G4287053
Mfr # 3RB21534FC2
product price: 
$858.99
/ea
Siemens Overload Relay, 1NC/1NO, 36 A Min current, 45 A Max current, 690V AC 3RU21364GB0
Siemens

Overload Relay, 1NC/1NO, 36 A Min current, 45 A Max current, 690V AC

Zoro # G3793196
Mfr # 3RU21364GB0
product price: 
$156.99
/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: 
$82.19
/ea
Eaton Overload Relay, 2NC/2NO, 4 A Min current, 20 A Max current, 690V AC C440A1A020SDD
Eaton

Overload Relay, 2NC/2NO, 4 A Min current, 20 A Max current, 690V AC

Zoro # G310041820
Mfr # C440A1A020SDD
product price: 
$190.99
/ea
Eaton Overload Relay, 1NC/1NO, 0.10 A Min current, 0.16 A Max current XTOMP16AC1
Eaton

Overload Relay, 1NC/1NO, 0.10 A Min current, 0.16 A Max current

Zoro # G2047717
Mfr # XTOMP16AC1
product price: 
$76.55
/ea
Eaton Overload Relay, 1NC/1NO, 20 A Min current, 100 A Max current XTOE100GGSS
Eaton

Overload Relay, 1NC/1NO, 20 A Min current, 100 A Max current

Zoro # G3119837
Mfr # XTOE100GGSS
product price: 
$262.99
/ea
Siemens Overload Relay, 1NC/1NO, 12 A Min current, 50 A Max current, 690V AC 3RB31334UB0
Siemens

Overload Relay, 1NC/1NO, 12 A Min current, 50 A Max current, 690V AC

Zoro # G2132823
Mfr # 3RB31334UB0
product price: 
$426.99
/ea
Siemens Overload relay 14.20 A Thermal For motor protection Size S0 Class 10 3RU2126-4BC1
Siemens

Overload relay 14.20 A Thermal For motor protection Size S0 Class 10

Zoro # G115281247
Mfr # 3RU2126-4BC1
product price: 
$106.99
/ea
Sold in mult. of 4 for $427.96
Eaton Motor Controller, 2NC/2NO, 5 A Min current, 90 A Max current, 240V AC C441BB
Eaton

Motor Controller, 2NC/2NO, 5 A Min current, 90 A Max current, 240V AC

Zoro # G1956114
Mfr # C441BB
product price: 
$2,306.99
/ea
Siemens Overload relay 1...4 A Electronic For motor protection Size S0 Class 10E 3RB3026-1PB0
Siemens

Overload relay 1...4 A Electronic For motor protection Size S0 Class 10E

Zoro # G215350294
Mfr # 3RB3026-1PB0
product price: 
$172.99
/ea
Sold in mult. of 3 for $518.97
Noark Overload 11.3-16A 2 Pole RHUS-10/1-16
Noark

Overload 11.3-16A 2 Pole

Zoro # G7654168
Mfr # RHUS-10/1-16
product price: 
$39.35
/ea
Sold in mult. of 2 for $78.70
Tecumseh OVERLOAD KIT K90-71
Tecumseh

OVERLOAD KIT

Zoro # G909982008
Mfr # K90-71
product price: 
$41.59
/ea
Motor Overload Relays (1,000+ items) - Page 11
  • First
  • Previous
  • 11
    of 39 pages
  • Next
  • Last
How was your search?

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 SwitchesElectrical Relays
Proximity SensorsSwitch AccessoriesSensor Cordsets & ReceptaclesLighting PhotocontrolsSensor Accessories
3 phase thermal overload relayiec overloadcontact informationoverload relay thermal unitdayton overload relays
motor overload switchrelay kitmanual overloadge overload relayrelay overload and start

Sign up and 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
  • Deals
  • Sitemap
  • Track My Order

Services

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

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