HVR250P120CRCF

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PTC resettable fuses are widely used in applications such as circuit protection, overtemperature protection, and overcurrent protection. Within this category of fuses, HVR250P120CRCF is a type of PTC resettable device with some unique properties.

The device is composed of an epoxy-filled thermoplastic enclosure containing a Positive Temperature Coefficient (PTC) switch, a coil and an armature. It is designed for applications where the fuse must reset itself after an overload or other fault has been cleared. The PTC switch is triggered at a preset current level, which allows the device to reset itself quickly after overloads and short circuits.

The HVR250P120CRCF has a hold current rating of 120 Amps and a trip current rating of 250 Amps. When the current through the device exceeds the trip current, the PTC switch will open and the fuse will be blown. The device will remain open until the current is reduced below the hold current, which will then cause the PTC switch to close, providing circuit protection.

The device is also designed with a coil to help with resetting. When the device is triggered, the coil causes the armature to push the PTC switch open. Once the current is reduced to a safe level, the armature will be released and the PTC switch will close. This helps to reduce the amount of time needed for resetting, thereby reducing the risk of damage due to prolonged exposure to high currents.

In terms of applications, the HVR250P120CRCF is suitable for use in automotive, industrial, medical, telecommunications, and other environments where overcurrent protection is required. It is also suitable for use in grounding applications, as it is designed to protect against overvoltage and arc fault conditions. It is also compliant with UL, CSA, VDE, and other safety standards.

The HVR250P120CRCF is a reliable and effective PTC resettable fuse that can be used in various applications where overcurrent protection is necessary. It has a high trip current rating, a low hold current rating, and a quick reset time, allowing it to provide safe and reliable protection against overcurrents and short circuits.

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