



GYM9H-DC C16 MCB
GYM9H-DC C16 Miniature Circuit Breaker is a reliable DC protection device designed for photovoltaic systems, communication equipment, energy storage systems, and industrial DC applications. With a rated current of 16A and C-type tripping characteristic, it provides effective overload and short-circuit protection for DC circuits.
Supporting DC voltage applications up to 1000V and featuring a 6kA breaking capacity, the GYM9H-DC C16 MCB ensures safe and stable operation in modern DC power systems. Designed according to IEC/EN60947-2 and GB/T14048.2 standards, it delivers dependable circuit protection and flexible installation options.
•16A DC Circuit Protection: Designed with a 16A rated current and C-type tripping characteristic, providing reliable overload and short-circuit protection.
•High Voltage DC Application: Supports DC voltage up to 1000VDC depending on pole configuration, suitable for photovoltaic and energy storage systems.
•High Breaking Capacity: Provides 6kA short-circuit breaking capacity to improve system safety and fault protection performance.
•Flexible Pole Options: Available in 1P, 2P, 3P, and 4P configurations to meet different DC circuit protection requirements.
•Reliable Thermal Magnetic Protection: Combines thermal and magnetic tripping technology for accurate fault response and stable operation.
•Wide Application Range: Suitable for solar PV systems, battery storage systems, communication power supplies, and industrial DC distribution.
•Convenient Installation Design: Supports DIN rail mounting with flexible wiring methods for easy system integration.
Standards Compliance: Complies with IEC/EN60947-2 and GB/T14048.2 standards to ensure reliable quality and safety.
Functions and Applications
Overload, short circuit, isolation; Suitable for communication, photovoltaic and other DC system applications.
Technical Specification
rated current(In):1、2、3、4、6、10、16、20、25、32、40、50、63A
Rated Voltage (Ue):1P:250VDC;2P:500VDC; 3P:750VDC;4P:1000VDC;
Tripping Curves:B、C
Breaking Capacity:6kA
Poles:1P、2P、3P、4P
mechanical Life:20000 time
electrical Life:1500 time
Temperature Compensation
When the ambient temperature is not the baseline temperature of 30 ℃, the reference correction coefficient is as follows:
| Product Model | GYM9-DC |
| Product Type | DC Miniature Circuit Breaker (DC MCB) |
| Application | Photovoltaic systems, communication systems, energy storage systems, and DC power distribution |
| Rated Current (In) | 1A-63A |
| Number of Poles | 1P, 2P, 3P, 4P |
| Rated Voltage (Ue) | 1P: 250VDC 2P: 500VDC 3P: 750VDC 4P: 1000VDC |
| Rated Insulation Voltage (Ui) | 1000V |
| Short-Circuit Breaking Capacity | 6kA |
| Impulse Withstand Voltage (Uimp) | 6kV |
| Tripping Curve | B, C, D |
| Protection Function | Overload protection, short-circuit protection |
| Mechanical Life | 10,000 operations |
| Electrical Life | 8,000 operations |
| Installation | 35mm DIN rail mounting (IEC/EN 60715) |
| Connection Type | Top and bottom connection |
| Terminal Connection | Cable / Busbar |
| Maximum Cable Capacity | 25mm² |
| Tightening Torque | 3.0N·m |
| Contact Position Indicator | Yes |
| Protection Degree | IP20 |
| Ambient Temperature | -5°C to +40°C |
| Storage Temperature | -25°C to +70°C |
| Pollution Degree | 2 |
| Compliance Standards | IEC/EN60947-2, GB/T14048.2 |





