DC MCB 20A / 32A / 63A – 1000V DC, 4 Pole
Ensure maximum protection for your high-voltage solar installations with our 4-Pole DC Miniature Circuit Breaker (MCB), designed specifically for 1000V DC photovoltaic (PV) systems. Available in 20A, 32A, and 63A current ratings, this premium DC circuit breaker provides dependable protection against overloads and short circuits while ensuring safe isolation of DC circuits.
Built with advanced DC arc-extinguishing technology, this breaker safely interrupts high-voltage DC currents, making it ideal for protecting solar arrays, combiner boxes, battery energy storage systems (BESS), hybrid inverters, and industrial PV installations. Its robust construction, long electrical life, and DIN rail compatibility make it the preferred choice for professional solar installers.
Key Features
- Available in 20A, 32A & 63A
- Rated Voltage: 1000V DC
- 4 Pole (4P) configuration
- Advanced DC arc extinguishing technology
- Reliable overload and short-circuit protection
- High breaking capacity for enhanced safety
- Compact DIN rail mounting design
- Flame-retardant thermoplastic housing
- Long mechanical and electrical lifespan
- Ideal for residential, commercial, and utility-scale solar systems
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | DC Miniature Circuit Breaker (MCB) |
| Current Ratings | 20A / 32A / 63A |
| Rated Voltage | 1000V DC |
| Number of Poles | 4 Pole (4P) |
| Breaking Capacity | 10kA (Typical) |
| Mounting | 35mm DIN Rail |
| Protection | Overload & Short Circuit |
| Mechanical Life | 20,000 Operations |
| Electrical Life | 10,000 Operations |
| Operating Temperature | -25°C to +70°C |
| Housing Material | Flame-Retardant Thermoplastic |
| Standard | IEC 60947-2 / IEC 60898 (Model Dependent) |
Applications
The 1000V DC 4-Pole MCB is suitable for:
- Solar PV string protection
- DC combiner boxes
- Utility-scale solar power plants
- Commercial rooftop solar systems
- Hybrid and off-grid solar systems
- Battery Energy Storage Systems (BESS)
- Inverter DC input protection
- Industrial DC distribution systems
Why Choose This DC MCB?
Designed for demanding photovoltaic applications, this 1000V DC 4-Pole MCB delivers exceptional protection, safety, and reliability. Its fast arc-quenching technology minimizes the risks associated with DC fault currents, helping to protect valuable solar equipment and extend the lifespan of your entire PV system.
Package Includes
- 1 × DC Miniature Circuit Breaker (4 Pole, 1000V DC)
- Available in 20A, 32A, or 63A
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