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Allen Bradley 1492 Wiring System 1492-SP3D040

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1492-SP3D040

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The 1492-SP3D040 is a three-pole circuit breaker designed by Allen Bradley for the 1492 Wiring System. It has a continuous current rating of 4 Amps, suitable for both 415 Volts AC (IEC) and 480Y/277 Volts AC (US) 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 1492-SP3D040

ManufacturerAllen Bradley
Product TypeCircuit Breaker
Product Line1492 Wiring System
Part Number1492-SP3D040
Weight3.00 lbs (1.36 kg)
Poles3
Continuous Current Rating4 Amps
IEC Voltage Rating415 Volts AC max.
US Voltage Rating480Y/277 Volts AC max.
CurveD curve
Pieces per Package1 piece
Torque2.4 N-m
MountingDIN rail
TripMagnetic
Magnetic Trip Range10 to 20 x rated current with highly inductive loads.
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Designed for robustness, the Allen Bradley 1492-SP3D040 circuit breaker operates with three poles. It continues to handle currents up to 4 Amps efficiently. Its versatility extends to high voltage applications, supporting an IEC maximum of 415 Volts AC and a U.S. maximum of 480Y/277 Volts AC. Operating within an established D curve allows for predictable trip characteristics, aligning with the needs of various electrical systems.

Each package contains one circuit breaker, making inventory management straightforward. This device requires mounting on a DIN rail, ensuring compatibility with various setups. Installing the breaker involves a torque specification of 2.4 N-m to guarantee firm attachment. The magnetic trip feature activates when current levels rise significantly—specifically between 10 to 20 times the rated current—ensuring protection against overloads, particularly in systems with highly inductive loads. The 1492-SP3D040 is a building block in ensuring safe and reliable electrical operations.