DNH10 1P Fuse Switch Disconnector GRL manufacturer

The DNH10 1P Fuse Switch Disconnector is a high-performance electrical protection device designed for both AC and DC circuits. With its integrated fuse switch and disconnector switch functionality, it provides a cost-effective and space-saving solution for isolating and protecting electrical systems. This versatile device supports rated voltages of up to 690V AC and 440V DC, making it suitable for a wide range of applications, from industrial control systems to renewable energy setups.

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Description

DNH10 1P Fused Switch Disconnector Overview

Introduction
Technical Parameter

Introduction

The DNH10 1P Fuse Switch Disconnector is a reliable and robust electrical protection device designed for use in both AC and DC circuits. It combines a fuse and a disconnector switch in one unit, offering a safe and efficient solution for isolating and protecting electrical circuits. The device is suitable for various applications, including industrial control, power distribution, and renewable energy systems.

Technical Parameter

Specification	DNH10-100	DNH10-250
Rated Working Voltage (Ue)	690V AC / 440V DC	690V AC / 440V DC
Rated Working Current (Ie)	160A	250A
Rated Insulation Voltage (Ui)	AC800V	AC1000V
Rated Heating Current (Ith)	160A	250A
Rated Impulse Withstand Voltage (Uimp)	8kV	12kV
Rated Limiting Short-Circuit Current	120kA (AC 400V)	120kA (AC 400V)
Rated Frequency	40~60Hz	50~60Hz
Connection Section	15~50mm²	15~50mm²
Usage Category (with Fuse)	AC-23B (AV400) / AC-21B (AV690) / DC-21B (DC440)	AC-23B (AV400) / AC-21B (AV690) / DC-21B (DC440)
Electrical Lifespan	200 operations	200 operations
Mechanical Lifespan	2000 operations	2000 operations
Working Conditions	-5℃ ~ +40℃	-5℃ ~ +40℃
Altitude	≤ 2000m	≤ 2000m

DNH10 1P Fuse Switch Disconnector Advantages

Dual Functionality: The DNH10 1P Fuse Switch Disconnector serves as both a fuse and a disconnector switch, reducing the need for multiple devices in the system.
High Voltage Rating: It supports rated working voltages of up to 690V AC and 440V DC, ensuring compatibility with a broad range of systems.
Versatile Usage: This product is designed to meet AC-23B and DC-21B usage categories, making it suitable for both AC and DC applications.
Excellent Short-Circuit Protection: With a rated limiting short-circuit current of 120kA at AC 400V, it provides effective protection against short-circuit faults.
Long Lifespan: The DNH10 1P offers an electrical lifespan of 200 operations and a mechanical lifespan of 2000 operations, ensuring long-term reliability and reduced maintenance.
Compact and Reliable: The product is compact and designed for easy installation and operation, making it ideal for applications where space is limited.

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DNH10 1P Fuse Switch Disconnector Usage Scenarios

Industrial Control Systems: For isolating and protecting circuits in industrial environments, ensuring the safe operation of machinery and equipment.
Power Distribution: Used in electrical distribution panels for secure disconnection and protection of circuits under load.
Renewable Energy Applications: Perfect for integration into photovoltaic systems, providing a secure disconnect solution for DC circuits.
HVAC Systems: Protects HVAC electrical control circuits from overloads and short-circuits.
Motor Protection: Can be used in motor control panels for disconnecting motors safely and ensuring their protection from electrical faults.

DNH10 1P Fuse Switch Disconnector FAQ

What is the lifespan of the DNH10 Fuse Switch Disconnector?

The DNH10 offers an electrical lifespan of 200 operations and a mechanical lifespan of 2000 operations, ensuring long-term durability.

What is the rated voltage for the DNH10 Fuse Switch Disconnector?

The DNH10 supports rated voltages of up to 690V AC and 440V DC, suitable for a wide range of industrial and renewable energy applications.

Can the DNH10 be used for DC circuits?

Yes, the DNH10 is designed to handle DC circuits up to 440V as well as AC circuits, making it a versatile solution for various applications.

What is the short-circuit protection capacity of the DNH10?

The DNH10 provides excellent short-circuit protection with a rated limiting short-circuit current of 120kA at AC 400V.