Description
The GEYA GYM9H-63-zw DC MCB is specifically designed to protect DC circuits with rated voltages up to 1200V and currents up to 63A. It provides reliable protection against both overload and short circuits, and can also be used for infrequent circuit switching operations. Its high-performance design, including a 10kA breaking capacity, makes it a perfect choice for modern DC systems. This product complies with IEC/EN 60947-2 and GB/T 14048.2 standards.
Key Features
- High Breaking Capacity:Rated for 10kA, ensuring safety in high-fault current scenarios.
- Non-Polar Design:The circuit breaker is non-polarized, simplifying installation and wiring by eliminating the risk of incorrect polarity connections.
- Wide Voltage Range:Supports various system architectures with options for 300VDC (1P), 600VDC (2P), 900VDC (3P), and 1200VDC (4P).
- Contact Position Indicator:Features a visual indicator to clearly show the status of the contacts.
- High Endurance:Built for longevity with a mechanical life of 20,000 cycles and an electrical life of 1,500 cycles.
- Easy Installation:Mounts on a standard TH35-7.5 DIN rail.
- RoHS Compliant:Manufactured in compliance with environmental RoHS standards.
Primary Applications
The robust design and high DC voltage rating make the GYM9H-63-zw ideal for a range of demanding applications, including:
- Photovoltaic (PV) Solar Systems
- Energy Storage Systems (ESS)
- Battery Banks and UPS
- DC Communication Systems
- Other DC-powered equipment and circuits
Tripping Curves
Temperature Compensation
| 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 Characteristics
| Tripping Type | Current (A) | 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 |
