ABB S203U-K20A 3-Pole Circuit Breaker
The ABB S203U-K20A is a high-performance miniature circuit breaker designed to provide reliable protection for electrical circuits. Engineered for industrial and commercial applications, this device ensures safety and efficiency in power distribution systems.
Key Features
- Rated Current: 20 Amperes
- Voltage Rating: 240 VAC
- Number of Poles: 3
- Trip Type: Thermal-Magnetic
- Tripping Characteristic: Type K
- Interrupt Rating: 10 kA
- Mounting Style: DIN Rail
- Terminal Type: Clamp Terminal
- Compliance Standards: UL 489, CSA 22.2 No. 5, IEC 60947-2
Design and Construction
The S203U-K20A features a compact design with a width of 52.5 mm, height of 88 mm, and depth of 69 mm. Its white enclosure is rated IP20, providing protection against solid objects larger than 12.5 mm. The device operates efficiently within a temperature range of -25°C to +55°C, making it suitable for various environmental conditions.
Applications
This circuit breaker is ideal for branch circuit protection, effectively safeguarding electrical systems from overloads and short circuits. Its Type K tripping characteristic is particularly suited for applications with higher inrush currents, such as motors and transformers.
Installation and Compatibility
Designed for easy installation, the S203U-K20A mounts securely on standard DIN rails. Its clamp terminals accommodate a range of conductor sizes, ensuring a reliable connection. The device’s compliance with international standards makes it suitable for global use in diverse electrical systems.
In summary, the ABB S203U-K20A 3-Pole Circuit Breaker offers robust protection and versatility, making it a valuable component in maintaining the safety and efficiency of electrical installations.
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