DC Miniature Circuit Breaker for Solar Applications
This DC miniature circuit breaker provides load isolation and overload/short circuit protection. It is designed for DC applications such as photovoltaics and energy storage, typically placed between batteries and hybrid inverters.
Technical Specifications
Product Overview
High-Performance DC Protection
The MDB2Z-63 series is a high-performance DC Miniature Circuit Breaker specifically engineered for photovoltaic and energy storage systems. Designed to sit between batteries and hybrid inverters, it provides essential load isolation alongside robust overload and short-circuit protection. With its specialized arc extinguishing system, this MCB ensures the rapid disconnection of fault currents to safeguard critical solar infrastructure.
Technical Performance
Key Performance Metrics
800 VDC
Max Working Voltage
10 kA
Breaking Capacity (Icu/Ics)
6 kV
Impulse Withstand (Uimp)
- Standards & Certifications
- IEC60947-2GB/T14048.2CE
Application Guide
Configuration by System Size
| Poles | Voltage Rating | Typical Application |
|---|---|---|
| 1P | 250V | Small DC systems |
| 2P | 550V - 600V | Single-phase 3kW - 5kW systems |
| 3P | 1000V | Single-phase 5kW - 7kW systems |
| 4P | 1000V - 1200V | Single-phase 7kW - 25kW systems |
Safety Features
Protection Features
- Load isolation capability
- Overload protection
- Short-circuit protection
- Specialized arc extinguishing system
- Current limiting system
- Mechanical locking handle device
Physical Specifications
Product Dimensions
- Height: 81mm
- Width: 66mm
- Depth: 36mm
Product Quality
Quality Assurance
Quality AssuranceOfficial GoodsDurableComplete Specifications
