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
Close icon
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Customer Service
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

Motor Overload Relays (1,000+ items) - Page 15

Siemens Overload Relay, 1NC/1NO, 50 A Min current, 200 A Max current, 1000V AC 3RB21534FW2
Siemens

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

Zoro # G4287062
Mfr # 3RB21534FW2
product price:  $870.99
/ea
Schneider Electric Overload Relay, 1NC/1NO, 0.63 A Min current, 1 A Max current, 690V AC LRD05L
Schneider Electric

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

Zoro # G5383244
Mfr # LRD05L
product price:  $101.99
/ea
Siemens Overload Relay, 1NC/1NO, 0.55 A Min current, 0.80 A Max current, 690V AC 3RU21160HB0
Siemens

Overload Relay, 1NC/1NO, 0.55 A Min current, 0.80 A Max current, 690V AC

Zoro # G4286536
Mfr # 3RU21160HB0
product price:  $80.59
/ea
Dayton Overload Relay, 1NC/1NO, 0.25 A Min current, 0.40 A Max current 6ECA5
Dayton

Overload Relay, 1NC/1NO, 0.25 A Min current, 0.40 A Max current

Zoro # G1130665
Mfr # 6ECA5
product price:  $17.89
/ea
Siemens Overload Relay, 1NC/1NO, 0.18 A Min current, 0.25 A Max current, 690V AC 3RU21160CB0
Siemens

Overload Relay, 1NC/1NO, 0.18 A Min current, 0.25 A Max current, 690V AC

Zoro # G4286493
Mfr # 3RU21160CB0
product price:  $77.59
/ea
Dayton Overload Relay, 1NC/1NO, 55 A Min current, 70 A Max current 6ECA1
Dayton

Overload Relay, 1NC/1NO, 55 A Min current, 70 A Max current

Zoro # G2893003
Mfr # 6ECA1
product price:  $50.89
/ea
Dayton Overload Relay, 1NC/1NO, 0.10 A Min current, 0.16 A Max current 6ECA3
Dayton

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

Zoro # G3127555
Mfr # 6ECA3
product price:  $19.99
/ea
Square D Thermal Overload Relay, 1NC/1NO, 9 A Min current, 13 A Max current LRD16L
Square D

Thermal Overload Relay, 1NC/1NO, 9 A Min current, 13 A Max current

Zoro # G709982017
Mfr # LRD16L
product price:  $96.99
/ea
Square D Thermal Overload Relay, 1NC/1NO, 24 A Max current, 690V AC LR3D22L
Square D

Thermal Overload Relay, 1NC/1NO, 24 A Max current, 690V AC

Zoro # G609978134
Mfr # LR3D22L
product price:  $100.99
/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
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, 0.70 A Min current, 1 A Max current, 690V AC 3RU21160JB0
Siemens

Overload Relay, 1NC/1NO, 0.70 A Min current, 1 A Max current, 690V AC

Zoro # G4286545
Mfr # 3RU21160JB0
product price:  $75.69
/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
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:  $194.66
/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
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
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
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, 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
Noark Overload 0.45-0.63A 2 Pole RHUS-10/1-.63
Noark

Overload 0.45-0.63A 2 Pole

Zoro # G7028508
Mfr # RHUS-10/1-.63
product price:  $43.79
/ea
Sold in mult. of 2 for $87.58
Brah Electric IEC Overload Relay, 1NO/1NC, 32 A Min current, 40 A Max current, 690 V B3UA55-00-2R
Brah Electric

IEC Overload Relay, 1NO/1NC, 32 A Min current, 40 A Max current, 690 V

Zoro # G115543246
Mfr # B3UA55-00-2R
product price:  $106.99
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 5 A Min current, 8 A Max current, 690 V B3UA52-00-1H
Brah Electric

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

Zoro # G215543290
Mfr # B3UA52-00-1H
product price:  $70.74
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 1 A Min current, 1.6 A Max current, 690 V B3UA50-00-1A
Brah Electric

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

Zoro # G615543203
Mfr # B3UA50-00-1A
product price:  $80.49
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 40 A Min current, 57 A Max current, 690 V B3UA58-00-2T
Brah Electric

IEC Overload Relay, 1NO/1NC, 40 A Min current, 57 A Max current, 690 V

Zoro # G815543218
Mfr # B3UA58-00-2T
product price:  $137.16
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 0.16 A Min current, 0.25 A Max current, 660 V BLR2D1302
Brah Electric

IEC Overload Relay, 1NO/1NC, 0.16 A Min current, 0.25 A Max current, 660 V

Zoro # G615543210
Mfr # BLR2D1302
product price:  $65.79
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 0.16 A Min current, 0.25 A Max current, 660 V BLR2K0302
Brah Electric

IEC Overload Relay, 1NO/1NC, 0.16 A Min current, 0.25 A Max current, 660 V

Zoro # G715543158
Mfr # BLR2K0302
product price:  $95.41
/ea
Eaton Overload Relay, 2NC/2NO, 20 A Min current, 100 A Max current, 690V AC C440B2A100SAX
Eaton

Overload Relay, 2NC/2NO, 20 A Min current, 100 A Max current, 690V AC

Zoro # G310042339
Mfr # C440B2A100SAX
product price:  $479.99
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 6.3 A Min current, 10 A Max current, 690 V B3UA55-00-1J
Brah Electric

IEC Overload Relay, 1NO/1NC, 6.3 A Min current, 10 A Max current, 690 V

Zoro # G715543226
Mfr # B3UA55-00-1J
product price:  $137.99
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 32 A Min current, 50 A Max current, 690 V B3UA58-00-2F
Brah Electric

IEC Overload Relay, 1NO/1NC, 32 A Min current, 50 A Max current, 690 V

Zoro # G015543155
Mfr # B3UA58-00-2F
product price:  $141.99
/ea
Siemens Overload Relay, 1NC/1NO, 0.10 A Min current, 0.40 A Max current, 690V AC 3RB31134RB0
Siemens

Overload Relay, 1NC/1NO, 0.10 A Min current, 0.40 A Max current, 690V AC

Zoro # G4316015
Mfr # 3RB31134RB0
product price:  $242.99
/ea
Brah Electric IEC Overload Relay, 1NO/1NC, 10 A Min current, 16 A Max current, 690 V B3UA52-00-2A
Brah Electric

IEC Overload Relay, 1NO/1NC, 10 A Min current, 16 A Max current, 690 V

Zoro # G815543300
Mfr # B3UA52-00-2A
product price:  $91.69
/ea
Schneider Electric Control Relay 600Vac 10Amp Iec +Options CA3KN40BD3
Schneider Electric

Control Relay 600Vac 10Amp Iec +Options

Zoro # G0570081
Mfr # CA3KN40BD3
product price:  $91.19
/ea
Sprecher & Schuh CT8 3.2 Amp Overload Relay CT8-B32
Sprecher & Schuh

CT8 3.2 Amp Overload Relay

Zoro # G615378362
Mfr # CT8-B32
product price:  $140.99
/ea
Siemens Overload relay 12.5...50 A Electronic For motor protection Size S2 Class 3RB3036-2UW1
Siemens

Overload relay 12.5...50 A Electronic For motor protection Size S2 Class

Zoro # G515350369
Mfr # 3RB3036-2UW1
product price:  $344.99
/ea
Sold in mult. of 2 for $689.98
Eaton Overload Relay, 1NC/1NO, 4 A Min current, 20 A Max current XTOE020BGS
Eaton

Overload Relay, 1NC/1NO, 4 A Min current, 20 A Max current

Zoro # G1383557
Mfr # XTOE020BGS
product price:  $193.63
/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
Motor Overload Relays (1,000+ items) - Page 15
  • First
  • Previous
  • 15
    of 37 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 SwitchesSwitches
Electrical RelaysProximity SensorsLighting PhotocontrolsSensor AccessoriesSensor Cordsets & Receptacles
relay overload and startrelay kitmanual overloadoverload relay thermal unitmotor overload switch
sprecher and schuhmanual overload reset pushge overload relaycontact information3 phase thermal overload relay

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