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October 18, 2022


Volume 10 | Oct 2022
Innovative Products from Keystone
New SMT & THM Maxi "Auto" Blade Fuse Holders
Our full line of fuse clips and holders now includes low insertion force, reliable and compact automotive blade fuse holders for Maxi style Automotive Blade fuses.
These new holders are available in Surface Mount (SMT) and Thru-Hole (THM) configurations to accommodate MAXI 299, MAX, APX or equivalent fuses in a variety of design applications.
Manufactured to assure secure positioning during soldering, these holders also features fully insulated clips to protect fuses and reduce assembly time. Insulators are made of PA9T Black Nylon with Tin-Nickel Plated Copper contacts to withstand shock and vibration. 
Voltage rating is 500 VAC and 40 Amps current.
Cat. # 3581 - (THM) Thru-Hole Mount Holder
Cat. # 3582 - (SMT) Surface Mount Holder
SMT & THM Solar Protection, SPF
(5AG) Fuse Holders
Keystone offers a broad assortment of PCB Mounted Fuse Holders to include a series intended specifically for photovoltaic (PV) systems. 
The fuse holders are exclusively designed to accommodate the family 5AG, Midget fuses (10x38mm) in the SPF Solar Protection Fuse series.
Rated for up to 30 Amps, 500 VDC operation and UL Recognized, these holders, in conjunction with the SPF fuses, are a cost-effective solution to safely protect PV modules and their conductors from reverse overcurrent conditions. 
Manufactured to protect and insulate SPF fuses, these holders are supplied in high temperature UL 94V-0 Nylon with Tin Plated Brass contacts for superior life. Keystone offers an optional cover for the holder to provide additional protection for the fuse while in the holder.
Cat. # 3576 - (THM) Thru-Hole Mount Holder
Cat. # 3574 - (SMT) Surface Mount Holder
Cat. # 3576C - Cover for SPF Fuse Holders
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