BK/HWC-AF

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Introduction

BK/HWC-AF Application field and Working Principle is a commonly used circuit protection device applied in many fields of the industry due to its durable and flexible design. This article will mainly focus on how this device is used and some knowledge related to its working principle.

BK/HWC-AF Application Field

BK/HWC-AF, or Belong Kai-HWC Automatic Fuses, are mainly used as a low-voltage fuseholder used in conjunction with a protective device such as an overcurrent relay or circuit breaker. They are usually used in industrial equipment as well as domestic installations such as AC controllers, inverters, UPS, and also various consumer appliances. Owing to their great flexibility and high working voltage, BK/HWC-AF devices have been widely used for protecting electrical equipment from current surges and ensuring its safe operation.

Working Principle

The BK/HWC-AF working principle is based on an electro-mechanical principle by which it can be triggered when enough current flow along the circuit. Inside the fuseholder, there is a thermal fuse, which consist of a metal conductor connected to a bimetallic strip or a similar structure to form a circuit. When too much current flows through the fuse, the metal conductor will heat up, dissipating heat to the surrounding air. Consequently, the metal will expand, separating the contact points in the device, thus triggering the circuit and interrupting the current flow.

In addition, the BK/HWC-AF device is also designed to be self-resetting, meaning that after the temperature has cooled, the metal will return to its original shape and the circuit will be reactivated. This feature also gives this device a longer lifespan and higher durability compared to other fuse types.

Conclusion

BK/HWC-AF Application Field and Working Principle is important for many applications since it offers protection against current surges and is also durable. Its reliable flexibile design makes it widely used in various fields including industrial and domestic applications. Furthermore, its working principle provides a convenient self-resetting property giving added advantage against other fuse types. Thus, knowledge on how it works and its application is a must for any electrical engineer.

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