100A DC Circuit Breaker | 2-Pole Solar PV MCB | Ultra-High Capacity Industrial Photovoltaic Protection Switch

The 100A 2-Pole DC MCB (Miniature Circuit Breaker) represents the ultimate protection solution for ultra-high capacity solar photovoltaic systems. Engineered for the most demanding industrial DC applications, this circuit breaker provides superior protection against overload and short circuit conditions in utility-scale solar power installations.

Key Features:

• Ultra-high 100 Amp rating
• Industrial-grade dual-pole isolation
• Advanced DC switching technology
• Maximum-duty quick-break mechanism
• Superior temperature stability
• Industrial status indicators
• Heavy-duty DIN rail mounting
• Maximum capacity terminals

Technical Specifications:

• Rated Current: 100A
• Poles: 2P
• 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:

• Ultra-high overload protection
• Maximum short circuit protection
• Heavy-duty double-break contacts
• Superior arc extinction chambers
• High-precision thermal-magnetic trip unit
• Industrial-grade trip mechanism
• Maximum terminal protection
• Professional status indication

Installation Benefits:

• Industrial DIN rail mounting
• Ultra-high conductor capacity
• Professional quick-release system
• Heavy-duty lockout facility
• Maximum terminal accommodation
• Secure snap-fit installation
• IP20 safety protection
• Clear position indicators

Applications:

• Utility-scale solar arrays
• Ultra-high capacity battery systems
• Maximum DC power distribution
• Industrial solar controllers
• Large-scale inverter protection
• Multiple string combinations
• Industrial battery banks
• Utility solar installations

The 100A DC MCB stands as the flagship protection device for ultra-high current solar PV circuits with its specialized DC switching capabilities. The industrial double-pole design ensures complete isolation of both positive and negative conductors, while the professional-grade quick-break mechanism provides instantaneous fault clearance.

Each unit incorporates maximum-capacity arc extinction chambers and precisely calibrated thermal-magnetic trip units designed for the most extreme DC applications. The professional position indicator and enhanced lockout facility ensure optimal safety during system maintenance.

Ideal for utility-scale and industrial solar installations, this MCB provides ultimate circuit 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.