For engineering selection, Mersen USN is a 800VAC / 1000VDC 30A neutral midget fuse holder; this configuration is rated 30A and 800VAC / 1000VDC, applied to DIN-rail motor, control and photovoltaic circuits where 35mm din rail fit is required.
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Mersen positions USN in the USM family for DIN-rail motor, control and photovoltaic circuits, using a 800VAC / 1000VDC 30A neutral midget fuse holder format. Rated at 30A and 800VAC / 1000VDC, this version uses 35mm din rail mounting and is characterized by IP20 finger-safe midget fuse-holding with 100kA SCCR. The page keeps series, format and standards data aligned for practical engineering and procurement comparison.
HP15FHM32B
32A · 1500VDC
HP15FHM32A
32A · 1500VDC
USCC4I
30A · 600VAC / 600VDC
USCC4
30A · 600VAC / 600VDC
USCC3N
30A · 600VAC / 600VDC
USCC3IN
30A · 600VAC / 600VDC
USCC3I
30A · 600VAC / 600VDC
USCC3
30A · 600VAC / 600VDC