
GYM7DC New Energy High Voltage Circuit Breaker
GYM7DC New Energy High Voltage Circuit Breaker is a high-performance DC molded case circuit breaker designed for modern renewable energy and high-voltage DC distribution systems.
Supporting rated voltages up to DC1500V and rated currents from 10A to 630A, the GYM7DC provides reliable overload and short-circuit protection for photovoltaic systems, energy storage systems, and industrial DC power applications.
With high breaking capacity, flexible installation options, and excellent environmental adaptability, it ensures safe and stable operation of critical DC circuits in demanding energy applications.
•High Voltage DC Protection: Supports rated operating voltage up to DC1500V, providing reliable protection for high-voltage DC power systems.
•Wide Current Range: Available with rated currents from 10A to 630A, meeting different power distribution requirements in renewable energy and industrial applications.
•High Breaking Capacity: Provides strong short-circuit protection capability with breaking capacity up to 85kA for selected models, improving system safety and reliability.
•Overload & Short-Circuit Protection: Designed to protect DC circuits from overload faults and short-circuit conditions, helping prevent equipment damage and system downtime.
•Flexible Installation Design: Supports both vertical and horizontal installation methods, allowing convenient integration into different electrical cabinet layouts.
•Reliable Environmental Performance: Suitable for harsh environments with resistance to humidity, salt spray, oil mist, and mold for demanding applications.
•Wide Application Compatibility: Ideal for solar PV systems, energy storage systems, DC distribution cabinets, charging infrastructure, and industrial DC power applications.
•Standard Compliance: Designed according to IEC 60947-1 and IEC 60947-2 standards to ensure reliable electrical performance and safety.
Features
- Zero arc,+50℃
- It complies with UL 489 standard
- Single pole DC 1500V Ics=10kA
- No capacity derating, no polarity, no capacity derating for reversing line
Main Performance Indicator
| Model | GYM7DC-320 | GYM7DC-400/630 | GYM7DC-1600 | |||||||
| Rated current | 63, 80, 100, 125, 140, 160, 180, 200, 225, 250, 315, 320 |
225, 250, 320, 350, 400, 500, 630 |
800A, 1000A, 1250A, 1500A, 1600A |
|||||||
| Number of poles | 2P | 2P | 3P | 4P | ||||||
| Rated working voltage Ue DC | 1500 | 1500 | 1500 | |||||||
| Rated insulation voltage Ui (V) | 1800 | 1800 | 1800 | |||||||
| Rated impulse withstand voltage Uimp (V) | 12 | 12 | 12 | |||||||
| Power frequency withstand voltage (1min) (kV) | 3500 | |||||||||
| Rated ultimate short-circuit breaking capacity Icu (V) | DC1200V | DC1500V | DC750V | DC1000V | DC750V | DC1000V | DC1200V | DC1500V | ||
| Rated service short-circuit breaking capacity Ics (kA) | 35kA | 20kA | 85kA | 50kA | 50kA | 30kA | 15kA | 10kA | ||
| Mechanical life (times) | 4000 | |||||||||
| Electrical life (times) | 10000 | 10000 | 500 | |||||||
| Arc distance (mm) | 50, 0 (with arc extinguishing chamber) | |||||||||
| Basic dimension W*L*H(mm) | 90x215x136 | 110x275x152 | 3P:210x340x244 | 4P:280x340x244 | ||||||
| Instantaneous release (mm) | 5in or 10in | |||||||||
| Reference ambient temperature (°C) | 50℃ | |||||||||
User Manual
Frequently Asked Questions About GYM7DC New Energy High Voltage DC Circuit Breaker
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