Product details
The 40A 2-Pole DC MCB (Miniature Circuit Breaker) represents the ultimate protection solution for maximum-power solar photovoltaic systems. Engineered for the most demanding DC applications, this circuit breaker ensures superior protection against overload and short circuit conditions in industrial-scale solar power installations.
Key Features:
- Maximum 40 Amp current rating
- Industrial dual-pole isolation
- DC-specialized design
- Heavy-duty quick-break mechanism
- Superior temperature stability
- Industrial status indicator
- Professional DIN rail mounting
- Maximum-capacity terminals
Technical Specifications:
- Rated Current: 40A
- 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
- Industrial short circuit protection
- Professional double-break contacts
- Superior arc extinction chambers
- High-precision thermal-magnetic trip unit
- Industrial-grade trip mechanism
- Maximum terminal shrouding
- Professional contact indication
Installation Benefits:
- Industrial DIN rail mounting
- Maximum terminal capacity
- Professional quick-release system
- Industrial lockout facility
- Extended wire accommodation
- Professional snap-fit installation
- IP20 safety protection
- Clear status indicators
Applications:
- Industrial solar arrays
- Maximum-capacity battery systems
- Industrial DC power distribution
- High-power solar controllers
- Industrial inverter protection
- Multi-string protection systems
- Large battery bank isolation
- Industrial solar installations
The 40A 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 instant fault clearance.
Each unit incorporates industrial-grade arc extinction chambers and precisely calibrated thermal-magnetic trip units optimized for the most demanding DC applications. The professional position indicator and enhanced lockout facility ensure maximum safety during system maintenance.
Ideal for industrial and large commercial solar installations, this MCB provides ultimate circuit protection while ensuring compliance with the highest safety standards. The professional construction and premium industrial-grade materials ensure long-term reliability in the most challenging solar applications.
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