ABB 50A 3 Pole Unit Circuit Breaker S273-K50A

ABB 50A 3-Pole Unit Circuit Breaker S273-K50A

The ABB S273-K50A is a robust 3-pole circuit breaker designed to provide reliable overcurrent protection in electrical systems. With a rated current of 50 amperes and a voltage capacity of up to 277/480 VAC, this breaker is suitable for a wide range of industrial and commercial applications.

Key Features

• Rated Current: 50A
• Voltage Rating: Up to 277/480 VAC
• Number of Poles: 3
• Interrupt Rating: 6 kA
• Trip Curve: K
• Mounting: DIN Rail
• Certifications: UL 1077, CSA 22.2 No. 235

Design and Functionality

The S273-K50A features a thermal magnetic trip mechanism, combining both thermal and electromagnetic protection to effectively handle overloads and short circuits. Its K-curve trip characteristic is particularly suited for applications with high inrush currents, such as motors and transformers.

Designed for easy installation, this circuit breaker mounts securely on standard DIN rails, facilitating integration into existing panels and systems. The finger-safe terminals enhance safety during installation and maintenance.

Applications

Ideal for use in industrial control panels, machinery, and commercial electrical installations, the ABB S273-K50A ensures dependable circuit protection, safeguarding equipment and personnel from electrical faults.

Specifications

• Manufacturer: ABB
• Part Number: S273-K50A
• Dimensions: 69 mm x 88 mm x 52.5 mm
• Weight: Approximately 1.01 lbs (0.5 kg)

For those seeking a reliable and efficient circuit protection solution, the ABB S273-K50A offers a combination of performance, safety, and ease of installation, making it a valuable component in various electrical applications.