Overcurrent circuit breaker, 10kA BKH series 1P 125A characteristic D BKH 1P D125A

Protection of installations and devices – circuit breaker LS BKH 1P D125A

This single-pole circuit breaker from the BKH series, with a rated current of 125A and D characteristic, is a reliable protection for your electrical installation. Designed to protect against overloads and short circuits, it performs well in various applications – from home networks to commercial facilities. The D characteristic means that this circuit breaker reacts with a delay to short-term current surges, making it an ideal choice for circuits powering devices with high inrush current, such as motors or transformers.

Installation and application

The LS BKH 1P D125A circuit breaker is mounted on a standard 35mm DIN rail, ensuring quick and easy installation in distribution boards. Its compact dimensions (68 x 81 x 27 mm) allow for optimal use of space in electrical cabinets. It is suitable for protecting:

• Lighting circuits
• Socket outlets
• Electrical devices with high starting current
• Installations in residential, office and commercial buildings

Characteristics and operating parameters

The circuit breaker meets the requirements of IEC 60947-2 and IEC/EN 60898-1 standards, guaranteeing safety and reliability. Suitable for operation at AC 230/400V and frequencies of 50/60Hz. The rated short-circuit breaking capacity is 10kA at 230V AC. Made of high-quality flame-retardant materials, it ensures long-lasting and safe operation. This circuit breaker is designed for multiple uses – it withstands a minimum of 1500 switching cycles and up to 10,000 mechanical operations. Additional accessories, such as interlocking devices, auxiliary switches or signaling modules, allow you to expand the functionality of the circuit breaker and adapt it to the specific needs of the installation.