ABB S202K4A 2 Pole Circuit Breaker

ABB S202K4A 2-Pole Circuit Breaker

The ABB S202K4A is a high-performance miniature circuit breaker designed to provide reliable protection for electrical circuits against overloads and short circuits. Its compact design and robust features make it suitable for a wide range of applications in residential, commercial, and industrial settings.

Key Features

• Rated Current: 4 Amperes
• Number of Poles: 2
• Tripping Characteristic: K-Curve
• Rated Voltage: 400V AC
• Breaking Capacity: 6 kA at 400V
• Mounting: DIN Rail
• Protection Type: Thermal Magnetic
• Operating Temperature Range: -25°C to +55°C
• Degree of Protection: IP20

Applications

The S202K4A circuit breaker is ideal for protecting circuits with inductive loads, such as motors and transformers, where high inrush currents are common. Its K-Curve tripping characteristic ensures that transient surges do not cause nuisance tripping, while still providing effective protection against sustained overloads and short circuits.

Design and Installation

Featuring a compact design with a width of 35 mm and a depth of 69 mm, the S202K4A is designed for easy installation on standard DIN rails. The device includes finger-safe terminals and supports conductor sizes ranging from 18 to 4 AWG, ensuring both safety and flexibility during installation.

Certifications and Standards

The ABB S202K4A complies with international standards, including IEC/EN 60898-1 and IEC/EN 60947-2, and is UL 1077 listed, making it suitable for global applications.

With its reliable performance and adherence to stringent safety standards, the ABB S202K4A 2-Pole Circuit Breaker is a dependable choice for safeguarding electrical circuits in various environments.