GYM9H-63-ZW 10kA DC Miniature Circuit Breaker for PV Solar System
GEYA GYM9H-63-ZW 10kA DC Miniature Circuit Breaker provides reliable overload and short circuit protection for PV solar systems, with 1-63A ratings and 1P-4P configurations.
• Designed for PV solar systems
• High breaking capacity up to 10kA
• Rated current 1-63A
• 1P / 2P / 3P / 4P poles available
• DC voltage up to 1000V
• IEC/EN 60947-2 compliant
• Thermal magnetic protection
• Double busbar wiring design
• Transparent identification window
• DIN rail mounting
Product Description
GEYA GYM9H-63-ZW DC Miniature Circuit Breaker is specially designed for high-voltage DC circuit protection applications. It provides effective overload and short-circuit protection while ensuring safe and stable operation of modern DC power systems.
With a rated voltage up to 1200V DC and rated current up to 63A, the GYM9H-63-ZW is suitable for photovoltaic power generation systems, communication equipment, and other DC electrical applications requiring reliable circuit protection.
The circuit breaker adopts a non-polar DC design, allowing flexible installation without considering current direction. It features a compact modular structure, built-in short bar connection, contact position indication, and reliable breaking performance for improved system safety and maintenance efficiency.
Designed for renewable energy and industrial DC applications, the GYM9H-63-ZW provides dependable protection against overload and short-circuit faults, helping improve the safety and reliability of DC electrical systems.
Tripping Curves
Connection Diagram
Technical Parameter
| Ambient Temperature (°C) | Current Correction Coefficient |
|---|---|
| -20 | 1.25 |
| -10 | 1.20 |
| 0 | 1.15 |
| 10 | 1.10 |
| 20 | 1.05 |
| 30 | 1.00 |
| 40 | 0.95 |
| 50 | 0.90 |
| 60 | 0.85 |
| Tripping Type | Current | Initial State | Start Time | Expected Result | Reference Temperature |
|---|---|---|---|---|---|
| B, C, D | 1.05 In | Cold state | t ≥ 1h (In ≤ 63) | No tripping | 30°C |
| B, C, D | 1.3 In | Hot state | t ≤ 1h (In ≤ 63) | Tripping | 30°C |
| B, C, D | 2.55 In | Cold state | 1s < t < 120s | Tripping | 30°C |
| Technical Parameter | Specification |
|---|---|
| Rated Current (In) | 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63A |
| Rated Voltage (Ue) | 1P: 300VDC 2P: 600VDC 3P: 900VDC 4P: 1200VDC |
| Rated Insulation Voltage (Ui) | 1200V |
| Number of Poles | 1P, 2P, 3P, 4P |
| Tripping Curve | B, C, D |
| Breaking Capacity | 6kA, 10kA |
| Mechanical Life | 20,000 times |
| Electrical Life | 1,500 times |
| Tightening Torque | 2.0 N·m |
| Protection Class | IP20 |
| Mounting Method | TH35-7.5 Standard DIN Rail |
Application Fields
Solar PV Systems
GYM9H-63-ZW is widely used in photovoltaic DC systems to protect solar panels, combiner boxes, and DC distribution equipment from overload and short-circuit faults.
Communication Systems
Provides reliable DC circuit protection for communication power supplies and related equipment.
DC Distribution Systems
Suitable for high-voltage DC distribution panels and industrial DC power networks.
Energy Storage Applications
Provides protection for DC circuits in battery storage and renewable energy systems.
Industrial DC Equipment
Suitable for industrial control systems and equipment requiring reliable DC circuit protection.
