0FHA0020S

Series:	FHA
Part Status:	Active
Lead Free Status / RoHS Status:	--
Fuseholder Type:	Holder
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Blade
For Use With/Related Products:	ATC, ATO
Fuse Size:	0.75" L x 0.2" W x 0.74" H (19.1mm x 5.1mm x 18.8mm)
Number of Circuits:	1
Voltage:	32V
Current Rating:	30A
Mounting Type:	Free Hanging In Line
Orientation:	--
Termination Style:	Wire Leads
Contact Material:	--
Contact Finish:	--

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Introduction

Fuseholders are a type of electrical safety device, which protect against overcurrent and plays a major role in providing electrical safety. They are usually fitted to the fuse and prevent it from blowing in the event of an unusual current flow. This article will focus on the 0FHA0020S Fuseholder and its application field and working principle.

0FHA0020S Fuseholder

The 0FHA0020S Fuseholder is a type of hold-down enclosure developed by Fasco, an Italian company, to provide efficient protection to fuses from power surges. It can be used in two ways: flush-mounted onto the exterior of the box, or mounted inside the panel. The 0FHA0020S Fuseholder is suitable for subminiature fuses up to 5 meters in length and 20 mm in diameter, which makes it ideal for applications which require a compact and discrete design.

Application Field and Working Principle

The 0FHA0020S Fuseholder is mainly used in various industrial applications, such as:

• Electric motors
• Generators
• UPS systems
• Electrical power systems

The 0FHA0020S Fuseholder is designed so that it can safely handle a maximum current of up to 16 A, which is sufficient for most applications. It is also equipped with built-in protection in the form of a thermistor and a bleeder resistor which ensure that the fuseholder can safely handle power surges without damaging the fuses or the electrical system. The working principle of the 0FHA0020S Fuseholder is quite simple. The fuseholder is able to safely contain the fuse and protect it from potential power surges by using a combination of three components: a thermistor, a bleeder resistor, and a plastic sleeve. The thermistor works by detecting any sudden changes in the voltage and immediately shutting off the current flow. The bleeder resistor helps to dissipate any energy that may be left over from the surge. Finally, the plastic sleeve {yves comments: usually called an “Insulating Sleeve”) encloses the fuse and completely separates it from the rest of the electrical system, thus providing additional protection for the fuse.

Conclusion

The 0FHA0020S Fuseholder is a reliable and efficient safety device which can be used in various industrial applications in order to protect the electrical system from potential power surges. It is small and discreet, making it ideal for applications which require a low-profile design. Moreover, it is equipped with a thermistor, a bleeder resistor and an insulating sleeve which ensure safe and reliable operation.

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