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Allen Bradley 1492 Wiring System 1492-CB3F100

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1492-CB3F100

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The 1492-CB3F100 from Allen Bradley is a miniature circuit breaker designed for versatile electrical systems. With a rated current of 100 A, it can support voltages up to 415 V AC and 60 V DC per pole.

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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-CB3F100

ManufacturerAllen Bradley
Product TypeMiniature Circuit Breaker (MCB)
Product Line1492 Wiring System
Part Number1492-CB3F100
Weight0.94 lbs (0.43 kg)
Poles3 Poles
Rated Current100 A
Rated Voltage (AC)240/415 V AC
Rated Voltage (DC)60 V DC per pole
Interrupting Capacity (IEC 60947-2)10 kA
Trip Curve TypeF (fast trip characteristic)
Frequency Rating50/60 Hz
Terminal TypeScrew clamp terminals
Maximum Wire Size (solid/stranded)35 mm²
Minimum Wire Size1.5 mm²
Torque Rating (terminal screws)2.8 N·m
Mechanical Endurance20,000 operations (typical for 1492 series breakers)
Electrical Endurance10,000 operations (typical for 1492 series breakers)
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The Allen Bradley 1492-CB3F100 is a robust miniature circuit breaker (MCB) designed for a wide range of electrical applications. It operates efficiently at 100 A and can manage voltages of 240/415 V AC and 60 V DC per pole. This device incorporates three poles, making it ideal for three-phase systems. The MCB ensures safe performance with an interrupting capacity of 10 kA, in accordance with the IEC 60947-2 standard.

Designed for versatility, the 1492-CB3F100 operates at standard frequencies of 50 or 60 Hz. Users benefit from its screw clamp terminal design, which allows for a maximum of 35 mm² wire size for solid or stranded conductors, and a minimum size of 1.5 mm². The torque rating for the terminal screws stands at 2.8 N·m, ensuring secure connections.

Proven durability is one of the key features of this circuit breaker. It boasts an impressive mechanical endurance rating of 20,000 operations and an electrical endurance of 10,000 operations, demonstrating its reliability in demanding environments. The trip curve type is classified as F, which indicates that it has a fast trip characteristic for swift disconnection during overcurrent situations. As a part of the 1492 series, this device exemplifies reliability and efficiency, making it a suitable choice for various applications.