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IEC overload relays provide reliable and accurate electronic or thermal protection from device or component overload or phase loss. Available in various amperage capacities, models are available with configurable parameters, self-powered, and with communications capabilities.
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IEC Overload Relays
Category Selection
Overload relays are essential for protecting motors from overheating caused by overloads and failures to start. Eaton, Fuji Electric, Schneider Electric, WEG Electric, and our own AutomationDirect and IronHorse brand IEC overload relays are compatible with their respective contactors. Additionally, these relays can be used with DIN rail/panel mount adapters to operate as standalone units compatible with any brand or type of contactor to create a complete motor starter. Electronic overload relays leverage microprocessor technology to provide precise protection against overloads and phase loss, while thermal overload relays safeguard motors from overheating due to excessive current.
For part listings and specifications, go to Shop Now
Electronic Overload Relays
Electronic overload relays for IEC contactors are compact, high-featured units that provide reliable, accurate protection for applications requiring ease of use and flexibility. Offered in various amperage capacities, models are available with configurable parameters, self-powered, and with communications capabilities.
- WEG electronic overload relays with an FLA range from 0.4 to 40 A
- Eaton electronic overload relays with an FLA range from 0.33 to 175 A
Thermal Overload Relays
Newest Additions!
- Schneider Electric Easy TeSYS series IEC thermal overload relays
Thermal overload relays for IEC contactors provide reliable and accurate thermally-operated protection from device or component overload or phase loss. Available in various amperage capacities, these bi-metallic relays offer adjustable trip settings for application flexibility.
- Fuji TK26 overloads for DUO SC-E series contactors
- Fuji 3N series overload relays for Odyssey series contactors
- WEG RW17 overloads for CWC series miniature contactors
- WEG RW27/67/117 overloads for CWB series contactors
- RTD series overload relays for GH15 contactors
- Eaton thermal overloads for Freedom Series AE16 motor starters
- IronHorse HTOR series overload relays for HMC contactors
- Schneider Easy TeSYS series overload relays for DPE contactors
Thermal Overload Relay Heater Packs
Eaton bi-metallic thermal overload relay heater packs are interchangeable protection elements for the C306DN3B overload relay assembly. They are selected based on a motor's specifications and can be changed to adjust the protection settings of the motor without having to replace the entire overload relay.
- In ratings up to 32A
- Class 20 trip class
- Adjustable for 1.0 or 1.15 service factors
- Ambient temperature compensation
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