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Allen Bradley Bulletin 500 Accessories W42

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W42

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The W42 part from Allen Bradley is a thermal overload relay heater element designed for specific use with Bulletin 500 line starters. It features a manual reset mechanism, and its compatible voltage rating reaches up to 600 V AC, making it suitable for various applications.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for W42

ManufacturerAllen Bradley
Product TypeThermal Overload Relay Heater Element
Product LineBulletin 500 Accessories
Part NumberW42
Weight0.06 lbs (0.03 kg)
UPC781180153945
Reset TypeManual reset
Mounting TypeInsert into overload relay block
Number of Poles3
Control Circuit Voltage Compatibility600 V AC
Frequency Rating50/60 Hz
Overload Relay CompatibilityBulletin 500 line starters
Heater Element TypeEutectic alloy
Trip ClassClass 20
Frame Size CompatibilitySize 00–0, Size 1
Full Load Amp Rating (Size 00–0)3.84 A
Full Load Amp Rating (Size 1)3.85 A
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The W42 thermal overload relay heater element by Allen Bradley is crafted for use with Bulletin 500 line starters. It utilizes a manual reset feature for easy operation and is intended to be mounted within an overload relay block. This device is compatible with a maximum control circuit voltage of 600 V AC and operates efficiently at frequency rates of 50 or 60 Hz.

Designed with three poles, this heater element employs eutectic alloy technology, which enhances its durability. The trip class is identified as Class 20, ensuring the mechanism performs effectively in its protective role. It is compatible with frame sizes ranging from Size 00 to Size 1. The full load current capabilities are rated at 3.84 A for Size 00-0 and slightly higher at 3.85 A for Size 1.

The W42's thoughtful engineering provides vital protection to systems by preventing overload situations, thus prolonging the lifespan of connected devices.