A-B WL55NEMA Overload Relay Heater Element, Precision Thermal Protection for Industrial Applications
The Rockwell Automation WL55NEMA Overload Relay Heater Element is an essential component designed to protect industrial motors from overloads by breaking the circuit when excessive current flows through it. Ideal for use in manufacturing environments where motor protection is critical.
Manufacturer:Rockwell Automation
Model:WL55NEMA
Heater Type:Resistance Wire
Rated Current Range:0.1 – 80 A
Voltage Range:200 – 600 V AC
Environmental Protection Class:IP20
Operating Temperature:-20…+60 °C
Weight:0.27 kg
Dimensions (W x H x D):30 mm x 91 mm x 94 mm
The A-B WL55NEMA Overload Relay Heater Element is a high-performance component designed to safeguard your motors from potential damage caused by overloading or phase failure. This rugged, durable heater element is built with a high-temperature resistant alloy that ensures longevity even under extreme conditions.
With its thermal-magnetic tripping mechanism, the WL55NEMA provides instantaneous and accurate responses to overload situations, preventing costly downtime and equipment damage. Its robust construction meets the stringent requirements of industrial environments and is certified to CE, UL, CSA, and RoHS standards, ensuring compliance with international safety regulations.
Installation is straightforward thanks to its universal mounting options compatible with top-hat rails, making it a versatile addition to your control panel setup. The compact design of the A-B WL55NEMA minimizes space consumption without compromising on performance, contributing to efficient and organized wiring within your control cabinet.
Rest assured with the reliability of the A-B WL55NEMA Overload Relay Heater Element, knowing that your investment comes backed by Rockwell Automation’s reputation for quality and innovation. Experience peace of mind with comprehensive protection for your industrial applications.












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