FWS-6A20FI

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FWS-6A20FI Application Field and Working Principle

FWS-6A20FI is a branch circuit fast-acting electric fuse manufactured by Weidmueller, an international leader in the production of electric and electronic products. The fuse is rated for 250V at 40A of input current. It\'s suitable for a variety of applications including industrial, consumer and commercial applications.

The FWS-6A20FI fuse is a branch circuit fast-acting fuse specially designed for protecting electrical equipment from overloads and short circuits. The fuse is constructed from air-cored wire wrapped in a glass envelope with tin foil strands attached to the ends of the wire. These strands act as a live current indicator; when the fuse is active, the tin foil strands glow red.

The fuse is designed to provide short circuit and overload protective functions by limiting the over current to a safe level. The fuse contains a destructible element, which when subjected to excessive current, vaporizes the element rapidly so as to limit the current to a safe level. This element is called a fusible element. It consists of a metal conductor that is surrounded by a thin sheath of insulating material. When the current through the metal conductor reaches a predetermined level, the sheath melts and the current is diverted to the ground, thus protecting the circuit.

The FWS-6A20FI also uses an indicator light, mounted on its body, to visually indicate whether or not the fuse has been activated. The indicator light is powered by the main circuit and is designed to indicate when the fuse has melted. The indicator light is also used to help reset fuses after a fault has occurred.

The FWS-6A20FI also contains a fast-acting 30 milliamp trip current, which is adjustable using a capped break-away adjustment screw. This trip current is used to monitor the amount of current flow in the circuit and is used to determine when an overload has occurred. When an overload is detected, the trip current will activate the fuse and electronically break the circuit.

The FWS-6A20FI has many advantages over other electric fuses, including a wide operating temperature range of up to 120°C and an efficient response time of up to 6 milliseconds. The fuse is also relatively compact in size, making it suitable for a variety of applications. The fuse is UL approved, and is also qualified for CE and EN standards.

Overall, the FWS-6A20FI is an excellent choice for a variety of applications, including industrial, consumer and commercial applications. The fuse offers superior protection against over-currents and short circuits, as well as a visual indicator light to help monitor circuit conditions. It\'s also compact in size and is UL approved for use in many European markets.

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