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Allen Bradley 1492 Wiring System 1492-CB3G300

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1492-CB3G300

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The 1492-CB3G300 is a miniature circuit breaker from Allen Bradley's 1492 Wiring System. It is rated for three-phase applications and supports a maximum voltage of 480V AC, with a current rating of 30 A.

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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-CB3G300

ManufacturerAllen Bradley
Product TypeMiniature Circuit Breaker
Product Line1492 Wiring System
Part Number1492-CB3G300
Weight1.25 lbs (0.57 kg)
Phase Type3 Phase
Number of Poles3 poles
Amperage Rating30 A
Voltage Rating (AC)480V AC
Trip CurveG trip
AIC Interrupting Rating at 480 VAC10 kA
Mounting StyleStandard DIN Rail
Terminal TypeScrew Termination
Body MaterialMelamine-phenolic body
Min. Operating Temperature-25 °C
Max. Operating Temperature55 °C
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The 1492-CB3G300 miniature circuit breaker by Allen Bradley is engineered for three-phase electrical systems. It accommodates an amperage rating of 30 A while supporting an AC voltage reach of 480V. With a trip curve designated as G, this breaker provides tailored protection under specific conditions.

A critical feature of this model is its ability to interrupt up to 10 kA at 480 VAC, ensuring safety in overcurrent situations. It is constructed with a body made from melamine-phenolic material, offering durability and resistance to impact. The breaker is designed for easy installation on standard DIN rails, simplifying the integration into control panels and distribution systems.

This device supports screw-type terminal connections, facilitating straightforward wiring. It operates effectively in temperatures ranging from -25 °C to 55 °C, making it suitable for various environmental conditions. Overall, the 1492-CB3G300 miniature circuit breaker combines reliable performance with robust construction for effective circuit protection.