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> Motor Controls > IEC Overload Relays > Electronic Overload Relays

Electronic IEC 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. Available in various amperage capacities, models are available with configurable parameters, self-powered, and with communications capabilities.

Electronic Overload Relays

Thermal Overload Relays

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Overload Accessories

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Electronic Overload Relays

Electronic overload relays are available to create reliable and flexible motor starter units. Advantages of electronic overload relays versus traditional thermal overload relays include faster response time under phase loss and phase imbalance conditions, and increased motor life due to thermal modeling design.

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WEG Electronic
Overload Relays

RW-E Series solid-state overload relays are suitable for protecting motors in a wide range of industrial applications including those where long starting time is required. Motors used in low, medium or heavy-duty applications can be properly protected by simply selecting the proper trip class on the DIP-switches. These overload relays mount directly on WEG CWB series contactors.

Features

3-pole solid state overload relays with adjustable trip class: 10, 20 and 30
Self-powered
Wide 5:1 adjustment range
Thermal memory
Phase loss protection (less than 5s)
Phase imbalance protection (>40% between phases)
Manual or automatic reset modes
1NO + 1NC built-in auxiliary contacts

Starting at
$57.00
(RWB40E-3-A4U002)

Eaton Electronic Overload Relays
up to 175A

Eaton XT series self-powered electronic overload relays are self-contained units rated at up to 175A. The Eaton overload relay line covers the entire power control spectrum including NEMA, IEC and DP contactors. These relays can be used with any brand or style of contactor, and offer configurable parameters and communications capabilities.

The electronic design provides reliable, accurate and value-driven protection and communications capabilities in a single compact device for any application requiring easy-to-use, reliable protection.

Accessories provide remote reset capability. Eaton electronic overload relays are the most compact, high-featured, economical products in class.