400NH3G-690

Electrical, Specialty Fuses

A specialty fuse is a type of electrical fuse specifically designed, or adapted, for a specific purpose. The 400NH3G-690 is popular in many industrial applications such as oil and gas, wastewater treatment, process control, and power distribution. It is a compact and lightweight fuse with very high current rating, making it a suitable choice for many demanding applications.

Application Field of 400NH3G-690

The 400NH3G-690 is generally used in critical applications that require high current ratings. It has a successful and trusted history of use in industries such as oil and gas, wastewater treatment, and process control. It is also used in power distribution for power monitoring and control systems. In addition, the 400NH3G-690 is ideal when working in extreme environmental conditions. It is often chosen to protect electrical circuits and systems in industries with harsh climates, such as construction, marine, and mining applications.

Working Principle of 400NH3G-690

The 400NH3G-690 works on an architecture where a series of current blocking (CB) devices are connected in parallel with the load. This is known as the “in-line” architecture. When the load current exceeds the rated current of the fuse, the CB devices become saturated and the current “jumps” into the fuse, causing the fuse to trip. The current rating of the 400NH3G-690 is adjustable, meaning that it can be adjusted to match the current requirements of most applications.

The 400NH3G-690, when used at rated current, blows in a matter of minutes. This is because of its inherently fast response time and low internal capacitance. The 400NH3G-690 is tested and rated to UL 4248-1, CSA C22.2 and IEC/EN 60947-3 standards and has options for a fast-acting or slow-blow fuse type.

Benefits of 400NH3G-690

The 400NH3G-690 is a suitable choice for many demanding applications and provides numerous benefits. It offers a large current rating and high interrupting capacity in a compact and lightweight design. This fuse is ideal for operation in harsh environments due to its construction and resistant characteristics. The 400NH3G-690 has a long operational life and can be trusted to provide protection for electrical circuits and systems in extreme conditions.

The 400NH3G-690 has a fast response time and adjustable current rating, ensuring it is suitable for a wide range of applications. Additionally, the fuse provides improved safety and reliability due to its safe interruption and is a cost-effective solution for a range of industrial applications.