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Allen Bradley Bulletin 500 Accessories W43

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W43

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The W43 heater element, an accessory from Allen Bradley’s Bulletin 500 series, is specifically designed for use in overload relays. This component is rated for trip class 20, with the capability to handle a load of 4.27 Amps for size 0 and 4.23 Amps for size 1 applications.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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 W43

ManufacturerAllen Bradley
Product TypeHeater Element for Overload Relay
Product LineBulletin 500 Accessories
Part NumberW43
Weight0.06 lbs (0.03 kg)
UPC781180153969
Trip ClassClass 20
SizeSize 0, 1
Full Load Amps at Size 04.27 A
Full Load Amps at Size 14.23 A
Minimum Operating Temperature0°C
Maximum Operating Temperature40°C
Minimum Storage Temperature0°C
Maximum Storage Temperature40°C
Installation Altitude1000 m
Relative Humidity5 to 95% (non-condensing)
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The W43 by Allen Bradley is a heater element intended for use in overload relay systems, part of the Bulletin 500 Accessories lineup. This device serves a critical function in protecting electrical systems from overloads.

It belongs to trip class 20, which is suitable for managing loads safely. The heater element is compatible with size 0 and size 1 applications, maintaining operational efficiency with full load currents of 4.27 Amps for size 0 and 4.23 Amps for size 1. This specification makes it a reliable choice for overload protection in specific settings.

Operating conditions for the W43 heater element include a temperature range that starts at 0°C and peaks at 40°C, ensuring adequate functionality across various environments. The storage temperature mirrors this range, maintaining compatibility from 0°C to 40°C.

Installation is permitted at altitudes up to 1000 meters, making it versatile for different setups, while the design allows it to withstand a relative humidity spectrum of 5 to 95% in non-condensing conditions. This flexibility makes the W43 heater element suitable for a wide variety of applications within the defined operational constraints.