• Rated voltage DC 1500 V, rated current 600–1200 A (2-pole configuration)
• High short-time withstand current: 20 kA/1 s, 63 kA/0.1 s
• Mechanical endurance: 10,000 cycles (maintenance-free)
• Electrical endurance: 400 cycles at DC 1500 V
• Wide operating temperature: –40 °C to +70 °C (derating applied above +55 °C)
• Protection rating: IP20 (switch body), IP65 (external handle)
• Flexible options: up to 4 groups of auxiliary contacts, front operation (inside/outside cabinet), vertical or horizontal installation, customizable square shaft and external bars
• Includes handle, square shaft, and mounting fasteners
The HIITIO HCG4-1200 Series DC Disconnecting Switch is a robust isolation device designed for high-voltage DC systems up to 1500 V and 1200 A. It delivers safe, reliable connections, breaking, and isolation functions for demanding applications, including electrochemical energy storage, large-scale solar PV plants, DC data centers, and DC distribution networks.
• Number of poles: 2P
• Rated insulation voltage Ui: DC 1500 V
• Rated impulse withstand voltage Uimp: 12 kV
• Overall dimensions (L×W×D): 200 × 227 × 112.5 mm
• Weight: 5.3 kg
The HCG4-1200 offers easy wiring (parallel poles + series connection), clear ON/OFF indication, and compliance safety requirements — the perfect choice for safe and efficient DC system isolation.
Ideal for solar photovoltaic systems, battery energy storage (BESS), DC microgrids, and data center power distribution.
Fig. 1 Outline Dimensions of Front Handle Outside the Cabinet
Fig. 2 Outline Dimensions of Front Handle Inside the Cabinet
The calculation method of the customized shaft length
Shaft length : L=L1+47.5mm ±0.5mm
Safe distance
Installation direction
HIITIO® was established in 2018 as a result of Hecheng Electric introducing a mature R&D team. HIITIO specializes in producing high-voltage DC electrical devices for EV, solar energy systems, and energy storage applications.
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