About the GRL Fuse Switch Disconnector DNH7-160
The GRL Fuse Switch Disconnector DNH7-160 is a high-performance electrical device designed for protection and disconnection of electrical circuits. It combines the functions of a fuse and a switch, providing a reliable solution for both overcurrent protection and isolating circuits in industrial and commercial applications.
Detailed Features
- High Current Rating:
- With a rating of up to 160A, the DNH7-160 is suitable for medium to high-power electrical systems, ensuring efficient protection against overloads and short circuits.
- Fuse Protection:
- The fuse mechanism protects electrical equipment from damage due to excess current, ensuring safety by disconnecting the circuit when an overload or short circuit occurs.
- Switching Capability:
- The disconnector function allows for safe isolation of the circuit for maintenance, ensuring that technicians can work on the system without risk of electric shock.
- Durability and Reliability:
- Designed for harsh operating environments, the DNH7-160 is built to withstand high temperatures, vibrations, and electrical stress, offering long-lasting, trouble-free performance.
- Versatile Applications:
- This fuse switch disconnector is widely used in industrial plants, electrical substations, and commercial buildings where reliable circuit protection and isolation are essential.
- Compliance and Safety:
- It complies with international standards, ensuring high safety levels and reliability in protecting electrical installations.
Technical Specifications
- Model: DNH7-160
- Rated Current: 160A
- Rated Voltage: 690V AC
- Frequency: 50/60 Hz
- Rated insulation voltage Ui: 1000V
- Rated Impulse withstand voltage Uimp: 8000V
- Fuse Protected Short circuit making kA: 50ms
- Power loss at lm without fuse-link/phase: 12W
- Rated making and breaking capacity: AC21B
- Fusing Capacity: Suitable for both fuses and switching functions in high-power circuits.
- Number of Poles: 3P (three poles) or 4P (four poles), depending on the specific application needs.
- Insulation Class: IP20 (provides protection against contact with live parts).
- Mounting: Panel or surface-mounted, designed for ease of installation in industrial environments.
- Material: High-quality, durable materials designed to withstand high thermal and electrical stress.
Applications
- Industrial Circuit Protection:
- Provides protection in power distribution systems, motor control centers, and electrical panels to prevent equipment damage due to overcurrents.
- Switchgear Assemblies:
- Commonly used in switchgear panels for isolating circuits and protecting electrical installations from faults.
- Substations:
- Protects transformers, distribution boards, and other electrical equipment in substations by providing overcurrent protection and safe disconnection for maintenance.
- Heavy Machinery:
- Used in machinery control systems to ensure safe isolation and protection against short circuits or overloads.
- Renewable Energy Systems:
- Ideal for use in solar power systems, wind farms, or other renewable energy applications requiring reliable circuit protection and disconnection.
The GRL Fuse Switch Disconnector DNH7-160 is an essential component for ensuring the safety and efficiency of electrical systems, providing both overload protection and the ability to isolate circuits for maintenance.
