BY03H-63 MCB 6KA Miniature Circuit Breaker

Product Overview

• The BY03H-63 series 6kA miniature circuit breaker (MCB) is a premium device designed for reliable protection against overloads and short circuits in electrical systems. With a rated current of up to 63A and pole configurations ranging from 1P to 4P, this MCB is adaptable to various applications in residential, commercial, and industrial environments. Operating at a rated voltage of 240V for single-phase systems and 415V for three-phase systems, with a frequency range of 50/60Hz, the BY03H-63 ensures compatibility with global electrical standards.
• A standout feature of the BY03H-63 series is its robust flame-retardant plastic housing, which enhances safety by reducing fire risks under extreme conditions. The durable casing also protects the internal components from mechanical impacts and environmental factors, contributing to the device's long service life. Additionally, an indicator window is incorporated for quick and convenient visual status checks, simplifying maintenance and enhancing operational efficiency.
• The BY03H-63 series boasts a high breaking capacity of 6kA, offering superior performance in managing fault conditions. Its precision-engineered trip mechanism ensures rapid response to overloads and short circuits, effectively preventing damage to circuits and connected devices. This high level of protection helps minimize downtime and enhances system reliability.
• Compact and easy to install, the BY03H-63 is ideal for space-constrained electrical panels while maintaining optimal functionality. Engineered to meet stringent international safety and performance standards, it provides consistent, dependable protection for modern electrical systems.

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