BK/GDC-4A

Package / Case:	5mm x 20mm
DC Cold Resistance:	0.0139 Ohms
Size / Dimension:	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Color:	--
Operating Temperature:	--
Approvals:	cULus, IMQ, MITI/JET
Melting I²t:	71.8
Breaking Capacity @ Rated Voltage:	40A
Mounting Type:	Holder
Series:	GDC
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	4A
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to BK/GDC-4A

BK/GDC-4A is an advanced fusing device developed for the purpose of protection high-performance motor, but latest logic circuits with extremely low melting action. It is designed to provide an efficient method to control heat generation and avoid unnecessary damage to the system from fault and overloads. With a compact design and lightweight construction, it is perfect for both commercial and industrial applications.

Working Principle and Applications

BK/GDC-4A fuses are self-acting device. It reacts only when the temperature reaches its predetermined melting point. When an excessive current is detected, the device quickly melts and breaks the circuit for safe operation of the appliance. The device is suitable for protection of high-performance logic circuits with extremely low melting action. It can be used to control heat generation in both AC and DC circuits, thus avoiding unnecessary damage to the system from short circuit and overloads. It is widely used in the automotive industry, manufacturing, aerospace, medical industry, and other related sectors.

Design & Construction

The BK/GDC-4A is a two-part design with a body and a terminal block. The body is made of aluminum alloy which features excellent heat dissipation capabilities. Other materials such as copper, aluminum, and brass are also used. The terminal block is made of copper and is designed to be connected to the power supply.The device is designed to provide an efficient protection from overloads, short circuits, and other types of electrical faults. It has a wide range of protection ratings ranging from 250A to 1000A and can withstand up to 70V. It also contains an automatic reset switch to reset the fuse after the fault has been removed.

Safety Features

The BK/GDC-4A has been designed with a number of safety features including a self-resetting thermal fuse, as well as a shunt current direct current (DC) filter to provide noise reduction. It also has a range of indicators such as a green LED to indicate normal operation, a red LED for warning of an overcurrent condition, and a yellow LED to indicate a hot condition.The device also has over-temperature protection to ensure safe operation and prevents damage from the device overheating. It provides protection from the effects of excessive charge and discharge current and includes short circuit protection to minimize dangerous arcs.

Conclusion

BK/GDC-4A is an advanced fusing device developed for the purpose of protection high-performance motor, but latest logic circuits with extremely low melting action. It is designed with a two-part design with a body and a terminal block can withstand up to 70V. The device is also designed with a range of safety features to ensure safe operation and minimize dangerous arcs. It is widely used in the automotive industry, manufacturing, aerospace, medical industry, and other related sectors.

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