125A DC Circuit Breaker | 2-Pole Solar PV MCB | Maximum Industrial Photovoltaic Protection Switch

The 125A 2-Pole DC MCB (Miniature Circuit Breaker) represents the ultimate protection solution for maximum-capacity solar photovoltaic systems. Engineered for the most extreme industrial DC applications, this circuit breaker ensures unmatched protection against overload and short circuit conditions in utility-scale solar power installations.

Key Features:

• Maximum 125 Amp rating
• Industrial-grade dual-pole isolation
• Superior DC switching technology
• Ultra-duty quick-break mechanism
• Maximum temperature stability
• Professional status indicators
• Industrial DIN rail mounting
• Ultra-high capacity terminals

Technical Specifications:

• Rated Current: 125A
• 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:

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

Installation Benefits:

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

Applications:

• Utility-scale solar farms
• Maximum-capacity battery banks
• Industrial DC power systems
• Ultra-high power solar controllers
• Utility-scale inverter protection
• Multi-string combinations
• Large industrial installations
• Power plant applications

The 125A DC MCB stands as the flagship protection device for maximum-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 demanding DC applications. The professional position indicator and enhanced lockout facility ensure optimal safety during system maintenance.

Perfect 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 extreme solar applications.