The GRL DNH7 Fuse Switch Disconnector ensures safe and reliable manual connecting and disconnecting of electrical circuits under load. Designed for the protection of electrical equipment against overload and short circuit, it utilizes fuse-links ranging from size 00 to size 3. Key Applications: Power Systems: Ideal for feeder pillars, integrated distribution panels, low-voltage power distribution cabinets, and capacitor compensation cabinets. Industrial Control: Widely used in photovoltaic equipment, industrial electric furnaces, and industrial control cabinets in automobile manufacturing and other industries. New Energy: Commonly applied in combiner boxes and grid-connected cabinets in the renewable energy sector. User-Friendly Design: The fuse switch disconnector is suitable for both professional electrical engineers and non-professional personnel. It features a handle that must be pulled out to replace the fuse, ensuring safe maintenance by preventing accidental contact with live circuits. Specifications: Model: DNH7-400 Fuse Type: NH2 (NT2) Rated Operational Voltage: 400V Maximum Current: 400A Rated Insulation Voltage: 1000V Rated Impulse Withstand Voltage: 8000V Fuse Protected Short Circuit Making Capacity: 50kA/ms Rated Making and Breaking Capacity: AC22B Rated Frequency: 50/60 Hz Power Loss at Im without Fuse-Link/Phase: 34W Degree of Protection: IP20 Benefits: Safety: Provides secure handling and maintenance by ensuring that fuses can only be changed when the handle is pulled out and the system is off-grid. Versatility: Suitable for a wide range of applications in power grids, industrial power control, and new energy systems. Durability: Built to withstand high impulse voltages and short circuit conditions, ensuring long-term reliability. Summary: The GRL DNH7 Fuse Switch Disconnector is an essential component for managing and protecting electrical circuits in various applications, from power distribution to industrial control and new energy systems. Its user-friendly design and robust specifications make it a reliable choice for both professional and non-professional users.
