ABB S281-K6H11 Miniature Circuit Breaker

ABB S281-K6H11 Miniature Circuit Breaker

The ABB S281-K6H11 is a high-performance miniature circuit breaker (MCB) designed to provide reliable protection for electrical circuits against overloads and short circuits. This single-pole device is engineered to meet the demands of both residential and industrial applications, ensuring safety and operational efficiency.

Key Features

• Tripping Mechanisms: Equipped with a delayed thermal tripping mechanism for overload protection and an electromechanical tripping mechanism for short circuit protection.
• Tripping Characteristic: Features a K-curve tripping characteristic, suitable for applications with high inrush currents, such as motors and transformers.
• Rated Current: Designed for a rated current of 6 amperes, making it ideal for various low to medium power applications.
• Voltage Ratings: Supports operational voltages up to 277/480Y VAC and 60/110 VDC, providing versatility across different electrical systems.
• Breaking Capacity: Offers a rated short-circuit breaking capacity of 6 kA, ensuring effective interruption of fault currents.
• Compliance and Standards: Complies with international standards including IEC/EN 60947-2, UL 1077, and CSA 22.2 No. 235, affirming its suitability for global applications.
• Mounting and Installation: Designed for easy DIN rail mounting, facilitating straightforward installation and integration into existing systems.
• Terminal Design: Features finger-safe and multi-function terminals, enhancing safety during installation and maintenance.
• Environmental Tolerance: Operates efficiently within a temperature range of -25°C to +55°C, accommodating various environmental conditions.

Applications

The ABB S281-K6H11 MCB is particularly suitable for protecting circuits with high inrush currents, such as those involving motors and transformers. Its robust design and compliance with multiple standards make it an excellent choice for ensuring electrical safety in diverse settings.

Dimensions and Weight

• Width: 17.5 mm
• Depth: 69.0 mm
• Height: 90.0 mm
• Weight: 0.130 kg

These compact dimensions allow for efficient use of space within electrical panels, while the lightweight design facilitates easy handling and installation.

In summary, the ABB S281-K6H11 Miniature Circuit Breaker combines advanced protection features with user-friendly design, making it a reliable component for safeguarding electrical circuits in various applications.