DC Molded Case Circuit Breaker
This DC molded case circuit breaker is designed for photovoltaic installations from array combiner boxes to AC/DC inverters and main panels. It provides protection against overloads and short circuits with thermo-magnetic trip technology.
Technical Specifications
Overview
High-Performance DC Circuit Protection
The KYV series DC Molded Case Circuit Breakers (MCCB) are specifically engineered for photovoltaic installations, ranging from array combiner boxes to AC/DC inverters. These units provide robust thermo-magnetic overload and short-circuit protection, ensuring the safety and reliability of solar power systems, electric vehicles, and battery storage environments. Featuring a compact design and high breaking capacity, they offer a versatile solution for demanding DC electrical systems.
Key Performance Metrics
Performance Highlights
1,000 V DC
Max Operating Voltage
15,000 A
Ultimate Breaking Capacity (Icu)
8,000 V
Impulse Withstand Voltage
Technical Specifications
Model Range & Rated Current
| Model | Rated Current (A) |
|---|---|
| KYV-125MPV | 63, 80, 100, 125 |
| KYV-250MPV | 125, 160, 200, 225, 250 |
| KYV-400MPV | 250, 315, 350, 400 |
| KYV-800MPV | 500, 630, 700, 800 |
- Mechanical Endurance
- 4000
- Electrical Endurance
- 100
Features & Design
Key Features
- Compact design for space-saving installation
- High breaking capacity
- Thermo-magnetic trip mechanism
- Available in 2, 3, and 4 pole configurations
- Visible ON/OFF indicator
- Integrated experiment button for functionality testing
- Safety Protections
- Over-current ProtectionShort-circuit ProtectionFlame Retardant ShellInsulated HousingIP40 Rated
Standards & Compliance
Standards
IEC 60947-23C Certified
Accessories
Optional Accessories
- Shunt release
- Under-voltage release
- Auxiliary switch
- Alarm switch
Applications
- Typical Applications
- Photovoltaic SystemsSolar Array Combiner BoxesElectric VehiclesBattery Energy StorageAC/DC Inverters
