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Allen Bradley 1492 Wiring System 1492-CB3H020

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1492-CB3H020

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The 1492-CB3H020, a product of Allen Bradley's 1492 Wiring System, serves as a miniature circuit breaker designed for robust 3-phase applications. With a rated current of 2.0 A and a voltage rating of 480Y/277 VAC, this unit features a thermal-magnetic trip mechanism and an interrupting capacity of 10 kA.

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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-CB3H020

ManufacturerAllen Bradley
Product TypeMiniature Circuit Breaker
Product Line1492 Wiring System
Part Number1492-CB3H020
Number of Poles3 Poles
Phase Type3 Phase
Rated Current2.0 A
Trip Curve CharacteristicH Trip
Voltage Rating480Y/277 VAC
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Trip MechanismThermal-Magnetic
Interrupting Capacity10 kA
Mounting Style35 mm DIN Rail Mount
IP RatingIP20
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The Allen Bradley 1492-CB3H020 is a compact miniature circuit breaker tailored for 3-phase circuitry. It is rated at 2.0 Amps, making it applicable for light electrical loads. Designed to handle voltages up to 480Y/277 VAC, this circuit breaker is essential for maintaining safe electrical operations. It utilizes a thermal-magnetic trip mechanism, ensuring reliable performance during overload conditions. The H trip curve characteristic indicates its sensitivity to surges, providing necessary protection against fault conditions.

Additionally, the breaker can interrupt currents of up to 10 kA, which allows it to efficiently handle significant fault situations. It is designed to be mounted on a 35 mm DIN rail, simplifying installation and integration into control panels. The unit is rated at IP20, signifying that it has environmental protection but should be kept in clean, indoor settings to prevent exposure to dust and moisture.