170M8612

170M8612 Application Field and Working Principle

The 170M8612 is a current-limiting, dual-elements electrical fuse that combines two components into a single device. It features a standard fusing element and a current-limiting element, which are connected in series and connected to the circuit. This type of fuse is typically used in industrial applications where fast-acting current-limiting is required.

The working principle of the 170M8612 is based on the basic idea that current-limiting fuses will open when a pre-determined current level is exceeded, protecting the circuit from further damage. The device consists of two threaded current-limiting elements connected in series – a standard fusing element and a current-limiting element. When the fuse is connected in a circuit and the current level exceeds the set point, the standard fuse will open, preventing further damage to the circuit if the current level remains at the set point for a predetermined period of time. However, if the current level remains at or above the set point for longer than this predetermined time, the current-limiting element will open, which provides additional protection by limiting the amount of current that can flow through the circuit.

The 170M8612 is typically used in applications where fast-acting current-limiting is required, such as circuit protection for motor control centers, generators, and the protection of circuits that contain semi-conductors. This type of device is also commonly used in the protection of AC load centers and other power distribution systems, where it provides protection from over-current and short-circuit conditions. This type of fuse can also be used in industrial control panels and instrument transformers.

The 170M8612 features a dual-stage current-limiting design, which provides protection from over-current faults up to 40,000A. This type of device is also UL listed, providing additional assurance of the safety and reliability of the device. In addition, the device meets UL, IEC, CCC and CSA standards, providing assurance that the device has been tested and approved by the governing authorities for use in industrial and commercial settings.

The 170M8612 is a versatile and reliable fuse that is suitable for a variety of industrial applications where fast-acting current-limiting is required. This type of device can provide protection from short-circuit and over-current conditions, as well as providing reliable and safe circuit protection. The device meets UL, IEC, CCC and CSA standards, providing additional assurance of the safety and reliability of the device.