Allen-Bradley 140U-K0H3-D40 is a Bulletin 140U K-Frame molded case circuit breaker (MCCB) with a 400A thermal-magnetic trip unit. This 3-pole breaker features a 600V AC rating, an adjustable thermal trip range of 280–400A, and a fixed magnetic trip of 2000–4000A. It has an interrupting rating of 100kA at 240V and 100kA at 480V (Interrupting Code K3). Designed for branch circuit and feeder protection in industrial power distribution, it includes end cap terminals as standard and is UL 489 listed.

Molded Case Circuit Breaker The Allen-Bradley 140U-K0H3-D40 Circuit Breaker is a reliable and efficient molded case circuit breaker designed to protect electrical circuits from overloads and short circuits. This essential component is engineered for industrial applications, ensuring safety and operational efficiency in electrical systems.

Key Features

• Current Rating: Rated at 40A, this circuit breaker provides optimal protection for a variety of electrical applications.
• Voltage Rating: Supports up to 600V AC, making it suitable for high-voltage environments.
• Trip Type: Comes with a thermal magnetic trip mechanism, which offers reliable protection against overloads and short circuits.
• Frame Size: Features a standard frame size that facilitates easy integration into existing systems.
• Auxiliary Contacts: Equipped with optional auxiliary contacts for enhanced functionality and monitoring.

Applications

• Ideal for use in manufacturing plants and industrial facilities where robust circuit protection is required.
• Compatible with various electrical systems and equipment, ensuring versatility across different operational environments.
• Suitable for applications requiring compliance with safety standards and reliable performance under demanding conditions.

Benefits

• Enhanced Safety: Protects equipment and personnel by quickly disconnecting circuits during fault conditions.
• Durable Construction: Designed to withstand harsh environments, ensuring long-lasting performance and reliability.
• Operational Efficiency: Reduces downtime by providing reliable circuit protection, allowing for smooth and continuous operation of machinery. --- Product information compiled with AI assistance for reference purposes.