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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.
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Electronic Overload Relays
Category Selection
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.
For part listings and specifications, go to Shop Now
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.
Size/Range
- Broad FLA range (0.33 - 175A)
- Selectable trip class (10A, 10, 20, 30)
- Separate mounting to NEMA, IEC and DP contactors
Motor Protection
- Thermal overload
- Phase loss
- Selectable (ON/OFF) phase imbalance
- Selectable (ON/OFF) ground fault (on select models)
Features
- Self-powered
- Easy to select, install and maintain
- Compact size
- Flexible, intelligent design
- UL File E1230
- CSA File 156828 or 000353_0_000
- CE Directives, RoHS, LVD, EMC, ATEX
Starting at
$102.00
(XTOE1P6CCSS)
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