Overload Relays

Overload relays protect motors from overheating and excessive current by interrupting the circuit when abnormal load conditions occur. They are typically installed directly beneath a contactor as part of a motor starter assembly. Kent Electrical Supply provides thermal and electronic overload relays from Schneider (LRD/LRN), Siemens (3RB2), and Eaton (XTOE), covering a full range of motor FLA ratings for pumps, compressors, conveyors, and industrial machines.

Common Applications

  • Motor starter protection

  • HVAC compressors and blower motors

  • Pumps and fans

  • Conveyor and material handling systems

  • Industrial automation

AEO-Friendly FAQs

Q: How do I choose the right overload relay for my motor?
A: Match the overload’s amp range to the motor’s full-load amps and ensure it fits the corresponding contactor frame size.

Q: What’s the difference between thermal and electronic overload relays?
A: Thermal overloads use bimetal elements; electronic overloads provide higher accuracy and better phase-loss protection.

  • WEG RW27-1D3-D004 overload relay WEG RW27-1D3-D004 front dimensions

    RW27-1D3-D004

    The RW27-1D3-D004 is a three phase overload relay that is adjustable from 0.28 to 0.40 AMPS. This thermal overload has phase loss protection which trips when a phase is lost thus protecting the motor from irreparable damage and costly repairs. Class...

    MSRP: $50.00
    $32.24
    Add to Cart
  • WEG RW27-2D3-D125 overload relay WEG RW27-2D3-D125 side

    RW27-2D3-D125

    The RW27-2D3-D125 is a three phase overload relay that is adjustable from 8 to 12.5 AMPS. This thermal overload has phase loss protection which trips when a phase is lost thus protecting the motor from irreparable damage and costly repairs. Class 10...

    MSRP: $50.00
    $35.83
    Add to Cart
  • WEG RW27-2D3-U040 overload relay WEG RW27-2D3-U040 side

    RW27-2D3-U040

    The RW27-2D3-U040 is a three phase overload relay that is adjustable from 32 to 40 AMPS. This thermal overload has phase loss protection which trips when a phase is lost thus protecting the motor from irreparable damage and costly repairs. Class 10...

    MSRP: $60.00
    $41.78
    Add to Cart
  • WEG RW67-2D3-U057 overload relay WEG RW67-2D3-U057 front dimensions

    RW67-2D3-U057

    The RW67-2D3-U057 is a three phase overload relay with adjustments from 40 to 57 AMPS. This thermal overload has phase loss protection which trips when a phase is lost thus protecting the motor from irreparable damage and costly repairs. Class 10...

    MSRP: $94.00
    $60.60
    Add to Cart
  • Eaton XTOE005CCS overload relay Eaton XTOE005CCS front dimensions

    Eaton XTOE005CCS

    Eaton XTOE005CCS electronic overload relay that is adjustable from 1 to 5 AMPS and mounts to any frame C contactor from 18 to 38 AMPS. This next generation solid state overload relay provides accurate and reliable motor protection with multiple class...

    MSRP: $171.87
    $130.65
    Add to Cart
  • Eaton XTOE1P6BCS overload relay Eaton XTOE1P6BCS front dimensions

    Eaton XTOE1P6BCS

    Eaton XTOE1P6BCS electronic overload relay that is adjustable from 0.33 to 1.6 AMPS and mounts to any frame B contactor from 7 to 15 AMPS. This next generation solid state overload relay provides accurate and reliable motor protection with multiple class...

    MSRP: $162.94
    $130.65
    Add to Cart
  • Eaton XTOE1P6CCS overload relay Eaton XTOE1P6CCS front dimensions

    Eaton XTOE1P6CCS

    Eaton XTOE1P6CCS electronic overload relay that is adjustable from 0.33 to 1.6 AMPS and mounts to any frame C contactor from 18 to 38 AMPS. This next generation solid state overload relay provides accurate and reliable motor protection with multiple...

    MSRP: $162.94
    $130.65
    Add to Cart
  • Eaton H2005B-3 bimetal heaters Eaton H2005B-3 side view

    H2005B-3

    Eaton H2005B-3 Heater Pack The Eaton H2005B-3 is a high-quality bimetal overload heater element designed to protect motors from overcurrent conditions. Key features include: Adjustable AMP Rating: 1.2 to 1.96 AMPS Class Rating: 20 (trips in 20...

    MSRP: $135.56
    $52.19
    Add to Cart
  • Eaton H2006B-3 bimetal heaters Eaton H2006B-3 side view

    H2006B-3

    Looking for a dependable replacement for your motor starter? The H2006B-3 Eaton Overload Heater Element delivers precise thermal overload protection for your motor control systems. Trusted by professionals, this Eaton heater element is engineered to...

    MSRP: $135.56
    $52.19
    Add to Cart
  • WEG RW27-1D3-C063 overload relay WEG RW27-1D3-C063 front dimensions

    RW27-1D3-C063

    The RW27-1D3-C063 is a three phase overload relay that is adjustable from 0.43 to 0.63 AMPS. This thermal overload has phase loss protection which trips when a phase is lost thus protecting the motor from irreparable damage and costly repairs. Class...

    MSRP: $50.00
    $32.24
    Add to Cart
  • WEG RW27-1D3-D008 overload relay WEG RW27-1D3-D008 front dimensions

    RW27-1D3-D008

    The RW27-1D3-D008 is a three phase overload relay that is adjustable from 0.56 to 0.80 AMPS. This thermal overload has phase loss protection which trips when a phase is lost thus protecting the motor from irreparable damage and costly repairs. Class...

    MSRP: $50.00
    $32.24
    Add to Cart
  • WEG RW27-2D3-C063 overload relay WEG RW27-2D3-C063 side

    RW27-2D3-C063

    The RW27-2D3-C063 is a three phase overload relay that is adjustable from 0.40 to 0.63 AMPS. This thermal overload has phase loss protection which trips when a phase is lost thus protecting the motor from irreparable damage and costly repairs. Class...

    MSRP: $50.00
    $35.83
    Add to Cart