Series:	--
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:	0.76" L x 0.207" W x 0.752" H (19.3mm x 5.25mm x 19.1mm)
Number of Circuits:	1
Voltage:	32V
Current Rating:	20A
Mounting Type:	--
Orientation:	--
Termination Style:	Wire Leads
Contact Material:	Brass
Contact Finish:	Tin

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HHR Application Field and Working Principle

Fuseholders

Fuseholders are designed to securely hold and protect a fuse from mechanical and environmental damage, while allowing the fuse to be easily removed and replaced. HHR (High-Hazard and Rugged) fuseholders are designed for extreme applications such as those found in the automotive, industrial, oil and gas, process control, petrochemical, and aerospace markets. In these applications, where robustness and safety are critical, a two-part HHR fuseholder maximizes safety by increasing the contact area between the fuse and the holder.An HHR fuseholder is made up of two parts, a body and a base. The body of the fuseholder houses the fuse and helps to dissipate heat away from the fuse while in use. The base of the fuseholder is a separate piece that is held securely in place by screws or parallel clamps. The base of the fuseholder features a raised surface area on top, which contacts the fuse, and a recess below, which serves as a path for the wire or conduit to the fuse. This recess also ensures that when the base is tightened it will hold the fuse securely in place. The contact surfaces of HHR fuseholders are designed to allow for higher current loads than other fuseholders, allowing them to hold fuses in even more hazardous settings. The contact area between the fuse and the holder is also bigger on an HHR fuseholder than on other designs, increasing the safety of the system by allowing the fuse to transfer more of the current load without overheating.The design of HHR fuseholders also allows for more precise placement of the fuse within the holder, resulting in better contact between the holder and the fuse. This better contact prevents the fuse from slipping within the holder and keeps the fuse correctly aligned within the fuseholder, preventing any sparking or arcing of the fuse. This increased safety and reliability make HHR fuseholders the preferred choice in extreme environments.Another benefit of the two-part design of HHR fuseholders is that they can be easily removed and replaced. This makes them ideal for portable applications, where the fuseholder can be quickly transferred between locations. This also helps to keep maintenance costs down, as the fuseholder does not need to be replaced if the fuse needs changing.In conclusion, HHR fuseholders are designed to provide maximum safety and reliability in hazardous settings. Their two-part design, featuring a larger contact area and precise placement of the fuse, ensures the fuse is tightly held in the holder and can carry the intended current safely. The ease of installation and removal also makes HHR fuseholders ideal for portable applications.

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