The FAZ3-63 D Type Miniature Circuit Breaker (MCB) with isolation function is engineered to deliver dependable electrical protection for demanding industrial and commercial environments. Designed specifically to safeguard electrical circuits against overload and short-circuit faults, this MCB operates consistently within 50/60Hz frequency networks. It supports a rated voltage of 110/220V and offers a versatile rated current range from 1A up to 63A. By integrating advanced isolation capabilities alongside standard protection features, the FAZ3-63 ensures enhanced safety during circuit maintenance and operational checks, making it an essential component for modern electrical distribution panels.

D-Type Tripping Characteristics & Applications

One of the defining attributes of the FAZ3-63 D Type MCB is its specialized tripping profile. Featuring an instantaneous tripping current of (10-20) x In, this D-type circuit breaker is specifically optimized for motor distribution systems and applications involving high inrush currents. Standard breakers often experience nuisance tripping when industrial motors or transformers start up, but the D-type curve accommodates these temporary current surges while still providing rigorous short-circuit and overload protection. This makes it highly applicable for industrial machinery, HVAC systems, and heavy-duty motor circuits. Furthermore, the breaker is adaptable for specific DC applications, providing flexible deployment options across diverse electrical setups and reducing selection risk for complex engineering projects.

Core Structural & Safety Features

To guarantee maximum operational safety and longevity, the FAZ3-63 incorporates a neoteric structural design that prioritizes rapid response times and long-term durability. For procurement professionals and facility managers, selecting this MCB means investing in a component that reduces maintenance downtime and enhances overall system reliability.

• High Breaking Capacity: Rated at a 6000A breaking capacity, it effectively isolates severe fault currents, preventing catastrophic system failures and minimizing thermal stress on connected wiring.

• Fast-Breaking & Prompt Arc Extinguishing: The fast-breaking mechanism, combined with advanced arc extinguishing technology and short tripping features, significantly minimizes the duration of electrical faults to protect sensitive equipment.

• Premium Material Construction: The breaker housing is manufactured from high flame-retardant and impact-resistant materials, ensuring structural integrity and fire safety even in harsh operating conditions.

• Comprehensive Control & Isolation: Offers reliable manual control and physical isolation functions, allowing technicians to safely disconnect power during routine servicing, upgrades, or emergency interventions.

Product Model Matrix

To accommodate a wide spectrum of project requirements, the FAZ3-63 D Type MCB is available in multiple pole configurations (from single-pole to four-pole designs) across the full 1A to 63A current range. The comprehensive model matrix below outlines the available specifications, assisting procurement teams and electrical engineers in selecting the exact configuration needed for their specific distribution systems.