Reliable Circuit Protection for DC Electrical Systems
The RZ-63Z Series DC Miniature Circuit Breaker is designed to provide reliable overload and short-circuit protection for low-voltage DC electrical systems.
The series is available in a wide range of rated currents, voltage levels and pole configurations, allowing flexible selection for different DC distribution requirements. Typical options include current ratings from 10 A to 63 A, multiple DC voltage configurations, and 1P / 2P / 3P / 4P versions depending on the application.
The breaker uses a thermal-magnetic tripping mechanism to disconnect the circuit automatically when an overload or short-circuit fault occurs, helping protect cables, equipment and connected electrical systems.
With a standard DIN rail mounting design, the RZ-63Z Series can be installed easily in distribution boards, combiner boxes, battery cabinets and industrial control panels.
It is suitable for photovoltaic systems, battery energy storage, DC power distribution, communication power supplies and other applications requiring reliable DC circuit protection.
Key Features
- Overload protection
- Short-circuit protection
- Designed for DC electrical systems
- Multiple rated current options
- Multiple DC voltage options
- 1P / 2P / 3P / 4P configurations available
- C-curve tripping options
- DIN rail mounting
- 6 kA breaking capacity available
- Suitable for solar PV and energy storage systems
- Compact modular design
- Easy installation and maintenance
Pole & Voltage Options
| Pole Configuration | Typical DC Voltage Option |
|---|---|
| 1P | Up to 250 V DC |
| 2P | Up to 500 V DC |
| 3P | Model dependent |
| 4P | Up to 1000 V DC |
Trip Curve
- C16 = C Curve, 16A
- C32 = C Curve, 32A
- C63 = C Curve, 63A
Typical Applications
- Solar PV systems
- PV combiner boxes
- Battery energy storage systems
- Battery cabinets
- DC distribution panels
- DC control circuits
- Telecom power systems
- Electric vehicle charging equipment
- Industrial DC equipment
- Renewable energy systems
