MDQ-15/100

Series:	MDQ
Packaging:	--
Part Status:	Active
Fuse Type:	Cartridge, Glass
Current Rating:	150mA
Voltage Rating - AC:	250V
Response Time:	Slow
Package / Case:	3AB, 3AG, 1/4" x 1-1/4"
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	--
Approvals:	CSA, UL
Operating Temperature:	--
Color:	--
Size / Dimension:	0.250" Dia x 1.250" L (6.35mm x 31.75mm)

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Introduction to the MDQ-15/100The MDQ-15/100 is a type of fuse, also known as an over-current protection device, designed to protect electrical circuits against damage caused by excess current. This type of fuse is commonly used in electromechanical, telecom, uninterruptible power supply systems, and other industrial applications.DesignThe MDQ-15/100 fuse is composed of two sections: a body and a blowtube. The body is composed of a shell, containing a small number of contact fingers, and a cap. The metal casing of the shell is usually nickel-plated, while the contact fingers are made of tempered copper, finely calibrated to provide precise current-carrying capacity. The cap is used to keep the contact fingers in place.The blowtube is connected to the body by a threaded connector. The tube is composed of a porcelain base and a quenching material which is designed to respond quickly to an overload and extinguish the arc from the contacts.Types of FusesThere are two types of MDQ-15/100 fuses: time-delay and fast-acting. Time-delay fuses are designed to allow a short period of over-current before tripping. This type of fuse is used in applications where there are large fluctuations in current, such as motor starting current. Fast-acting fuses are designed to react quickly to an overload and trip the circuit immediately.Fields and ApplicationsThe MDQ-15/100 is a versatile fuse suitable for a wide variety of applications. It has a rated current rating of 15 amps and can withstand up to 100 amps of surge current. It is designed to provide over-current protection in various types of electrical circuit, such as:- Motor applications, including pumps, compressors, fans, and industrial motors.- Uninterruptible power supply systems.- Telecommunications systems.- Automotive and marine applications.- Home appliances.Working PrincipleWhen an over-current passes through the contacts of the fuse, the quenching material inside the blowtube absorbs the energy of the arc and quickly extinguishes it. As the current passes through the contacts, they heat up and expand, eventually melting and opening the circuit. This interrupts the flow of current and protects the circuit from damage.ConclusionThe MDQ-15/100 is a versatile and reliable fuse that is well-suited to a variety of applications. Its time-delay and fast-acting types make it an ideal choice for protecting circuits from damage caused by over-currents and other electrical disasters.

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