DC MCB 20A / 32A / 63A – 550V DC, 2 Pole
Product Description
Protect your solar PV system with our 2-Pole DC Miniature Circuit Breaker (MCB), designed to provide reliable protection against overloads and short circuits in 550V DC photovoltaic and battery storage applications. Available in 20A, 32A, and 63A ratings, this DC MCB ensures safe isolation and dependable performance in residential, commercial, and industrial solar installations.
Engineered specifically for DC systems, the breaker features a rapid arc-extinguishing mechanism, ensuring safe interruption of DC current and enhanced protection for solar panels, charge controllers, inverters, combiner boxes, and battery energy storage systems.
Key Features
- Available Ratings: 20A, 32A & 63A
- Rated Voltage: 550V DC
- 2-Pole (2P) design
- Fast DC arc extinguishing technology
- Reliable overload and short-circuit protection
- DIN rail mounting for quick installation
- High mechanical and electrical durability
- Compact, space-saving design
- Suitable for indoor distribution boards and combiner boxes
- Ideal for residential, commercial, and industrial solar PV systems
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | DC Miniature Circuit Breaker (MCB) |
| Current Ratings | 20A / 32A / 63A |
| Rated Voltage | 550V DC |
| Number of Poles | 2 Pole (2P) |
| Breaking Capacity | 6kA (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
- Solar PV DC distribution boards
- Solar combiner boxes
- Hybrid solar systems
- Off-grid solar installations
- Battery Energy Storage Systems (BESS)
- DC isolator protection
- Inverter input protection
- Commercial and industrial solar projects
Why Choose This DC MCB?
Designed specifically for photovoltaic systems, this 550V DC 2-Pole MCB offers superior protection, reliable switching performance, and long service life. It helps safeguard your solar investment by preventing damage caused by overloads and short circuits while ensuring safe operation of your DC electrical system.
Package Includes
- 1 × DC MCB (2 Pole, 550V DC)
- Current Rating: 20A, 32A, or 63A (select your preferred option)
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