The ABB S203UK15A is a high-quality 3-pole miniature circuit breaker designed to provide reliable protection for electrical circuits in both commercial and industrial applications.
Key Features
- Rated Current: 15 Amperes
- Voltage Rating: Up to 400 VAC
- Interrupt Rating: 10 kA
- Tripping Mechanism: Thermal magnetic with K characteristic curve
- Mounting: DIN rail compatible
- Compliance: UL 489 Listed, CSA 22.2 No. 5, IEC/EN 60947-2 Approved
Design and Construction
The S203UK15A features a compact design with dimensions of approximately 92 mm in height, 52.5 mm in width, and 71 mm in depth. It is constructed with high-quality materials, including an insulation group I housing in RAL 7035 color, ensuring durability and safety. The device is equipped with finger-safe terminals (IP20) and a clear contact position indication (red/green) for enhanced user safety and convenience.
Performance and Applications
This circuit breaker is designed to handle a frequency rating of 50/60 Hz and operates efficiently within a temperature range of -25°C to +55°C. Its K characteristic curve is suitable for protecting circuits with high inrush currents, such as motors and transformers. The S203UK15A is ideal for use in various settings, including commercial buildings, industrial facilities, and other environments requiring dependable circuit protection.
Additional Information
The ABB S203UK15A is part of the System pro M compact series, known for its high performance and wide range of accessories and approvals. It offers a combination of thermal and electromechanical tripping mechanisms, providing comprehensive protection against overloads and short circuits. The device’s design allows for easy installation on standard DIN rails, making it a versatile choice for various electrical distribution systems.
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