63A 4-Pole DC Circuit Breaker | Quad-Pole Solar PV MCB | High-Power Multi-String Photovoltaic Protection Switch

The 63A 4-Pole DC MCB (Miniature Circuit Breaker) represents the ultimate protection solution for high-power multiple string solar photovoltaic systems. Engineered for demanding industrial DC applications, this circuit breaker ensures comprehensive protection across multiple high-current circuits in professional solar power installations.

Key Features:

• Industrial 63 Amp rating
• Quad-pole isolation system
• Advanced DC switching technology
• Heavy-duty quick-break mechanism
• Multi-string protection capability
• Professional status indicators
• Industrial DIN rail mounting
• High-capacity multiple terminals

Technical Specifications:

• Rated Current: 63A
• Poles: 4P
• Rated Voltage DC: 250V/500V DC
• Breaking Capacity: 10kA
• Operating Temperature: -25°C to +60°C
• Mechanical Life: >20,000 operations
• Electrical Life: >10,000 operations
• Protection Degree: IP20

Protection Features:

• High-power multi-circuit protection
• Maximum short circuit protection
• Advanced quad-break contacts
• Enhanced arc extinction chambers
• Industrial thermal-magnetic trip unit
• Independent trip mechanism
• Maximum terminal protection
• Professional status indication

Installation Benefits:

• Industrial DIN rail mounting
• Multiple high-capacity terminals
• Professional quick-release system
• Enhanced lockout facility
• Maximum wire accommodation
• Secure snap-fit installation
• IP20 safety protection
• Clear position indicators

Applications:

• Industrial multi-string arrays
• High-power MPPT inverters
• Complex DC power distribution
• Multiple high-current controllers
• Parallel string combinations
• Industrial battery systems
• Large commercial installations
• Utility-scale solar systems

The 63A 4-Pole DC MCB delivers superior protection for high-power multiple-circuit solar PV systems with its specialized DC switching capabilities. The quad-pole design ensures complete isolation across multiple high-current circuits, while the professional-grade quick-break mechanism provides instantaneous fault clearance.

Each unit incorporates industrial-grade arc extinction chambers and precisely calibrated thermal-magnetic trip units designed for demanding DC applications. The professional position indicators and enhanced lockout facility ensure maximum safety during system maintenance.

Perfect for industrial and utility-scale solar installations requiring multiple circuit protection, this MCB provides ultimate protection while maintaining compliance with the highest safety standards. The industrial construction and premium materials ensure long-term reliability in the most demanding solar applications.