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Allen Bradley 1492 Wiring System 1492-SP2D400

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1492-SP2D400

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The 1492-SP2D400 from Allen Bradley serves as a miniature circuit breaker and supplementary protection device designed for versatile applications. It supports a maximum continuous current rating of 40 A across two poles while featuring a trip curve of type D for reliable performance in diverse operational conditions.

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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-SP2D400

ManufacturerAllen Bradley
Product TypeMiniature Circuit Breaker, Supplementary Protector
Product Line1492 Wiring System
Part Number1492-SP2D400
Weight3.00 lbs (1.36 kg)
Continuous Current Rating40 A
Poles2 Poles
Trip CurveTrip Curve D
Voltage Rating (AC)480Y/277 VAC max. UL/CSA, 415 VAC max. IEC, 96 VDC
Dielectric Strength1960V AC
Shock Resistance25 G half sine wave for up to 11 ms (3 axes)
Vibration Resistance100-500 Hz for up to 1 hour
Operating Temperature Range-22...158 °F (-30...70 °C)
Electromechanical LifespanUp to 6000 operations
MountingDIN Rail
Wire Size#18...4 AWG (1.0...25 mm²)
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The 1492-SP2D400, part of the Allen Bradley 1492 Wiring System, is a compact circuit breaker known as a supplementary protector. It is engineered to handle a continuous current of 40 A across two poles, providing essential protection in electrical circuits. The device operates under a trip curve classification of type D, ensuring proper response to overcurrent scenarios.

Voltage specifications for this circuit breaker allow for a maximum of 480Y/277 VAC per UL/CSA and 415 VAC according to IEC guidelines, while it also supports DC applications up to 96 V. Its robust dielectric strength rated at 1960V AC ensures the device can handle electrical stresses effectively.

Reliability extends beyond electrical performance, as the breaker withstands shocks up to 25 G in half sine wave across all three axes, maintaining its functionality even under rigorous conditions. For vibration tolerance, the 1492-SP2D400 can endure frequencies between 100 and 500 Hz for up to one hour.

The operating temperature range of this miniature circuit breaker spans from -22 to 158 °F (-30 to 70 °C), accommodating various environmental conditions while maintaining performance. With an impressive electromechanical lifespan capable of enduring up to 6000 operations, the 1492-SP2D400 provides long-lasting reliability. Its assembly is designed for DIN rail mounting, ensuring compatibility with standard installation practices, and it supports wire sizes from #18 to #4 AWG (1.0 to 25 mm²), making it versatile for different wiring needs.