170M5391

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The 170M5391 is a specialty Electrical Fuse used to protect against short circuits in various electrical systems. This type of fuse is designed to break the connection between a circuit and its components when an electrical surge exceeds a predetermined level. The type of fuse is often referred to as a restrometer fuse since it contains a resistor that is designed to detect an over-current situation and then break the circuit.

This type of fuse can be used in a wide range of applications, such as in automotive, industrial control systems, and telecommunications. Automotive applications include wiring harness protection, electronic fuel injection systems, and emission control systems. Industrial control systems include protection for voltage converters, adjusters, and rectifiers. Telecommunications applications include protection from over-voltage conditions in radio frequency, power line communication, and microwave systems.

The 170M5391 is a current limiting fuse with a time delay feature. This prevents the fuse from blowing immediately when a short circuit is detected, but instead allows temporary short circuits to pass through before the fuse blows. The time delay feature allows the circuit to protect more delicate electronics before the fuse trips.

The time delay feature also makes the fuse more resistant to nuisance tripping. Nuisance tripping occurs when a fuse trips due to an electrical surge that is not severe enough to cause a permanent short. The time delay feature gives the surge time to dissipate before the fuse trips.

The working principle of the 170M5391 is fairly simple. When an over-current situation is detected, the resistor within the fuse heats up and expands. This causes a wire to break, disconnecting the circuit and protecting it from further damage. The resistor cools down and the fuse is reset, allowing the circuit to function normally once again.

There are several advantages to using the 170M5391. It can be configured to detect short circuit current levels of between 6 and 2000 amps, while also activating between 5 and 30 seconds. This makes the fuse suitable for protecting sensitive components in a wide range of applications.

The fuse is also highly reliable. It is designed for a maximum of 100 trips before the resistor must be replaced, while its 900 VDE rating ensures it will work reliably in various voltage applications. In addition, the fuse is resistant to shock, vibration, and extreme temperatures, making it suitable for harsh environments.

The 170M5391 is a reliable and versatile Electrical Fuse that offers protection from short circuits in a variety of applications. Its ability to detect a wide range of current levels and provide an adjustable time delay feature make it ideal for protecting delicate electronics from harm. Its high current limit and shock and vibration resistance also make it suitable for harsh environments.

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