Hammond LE/LES series commercial encapsulated transformers are filled with electrical grade silica and resin compounds that fully surround the core and coil to seal out moisture. With completely enclosed NEMA 3R housings suitable for indoor/outdoor use, these 1-phase units offer a 480x240 VAC primary to 240X120 VAC secondary configuration in a range of kVA ratings.
C1F***LE Series Encapsulated Transformers (NEMA 3R Rated)
(input voltage): 480x240 VAC
Secondary (output voltage): 240 x 120 VAC
HPS Fortress™ Commercial Power Transformers HPS
Fortress commercial encapsulated transformers from Hammond provide
an innovative design that is ideal for industrial applications
where quality, ease of installation, and low cost are key. All
Fortress units are encapsulated power transformers with electrical
grade silica sand and resin compounds, which completely enclose
the core and coil to seal out moisture, airborne contaminants and
eliminate corrosion and deterioration. The NEMA 3R rating allows
these potted transformers to be used as indoor/ outdoor
480V transformers and 60Hz transformers are among the
most popular models offered.
Quality and Value
Inexpensive encapsulated transformers
Compact, efficient design
Easy installation and hook-up, wall mounting
Superior quality in materials and workmanship
NEMA 3R rated potted power transformer (for indoor/
10 year warranty (limited to manufacturer defects)
HPS Fortress C1F***LE
Series power transformers are priced from $102.00 (C1FC50LE)
Single phase from 0.50kVA to 5kVA; 60 Hz
Standard on all single phase units over 0.75kVA
All of these industrial power transformer units are
encapsulated with electrical grade silica sand and resin
compounds which completely enclose the core and coil to seal out
moisture, airborne contaminants and eliminate corrosion and
Offering UL class 130°C (266°F) insulation, 80°C (176°F)
temperature rise up to 1kVA on single phase; 180°C (356°F)
insulation, 115°C (239°F) temperature rise on all units over
1kVA on single phase.
Quiet operation with sound levels below NEMA standards.
NEMA 3R enclosures meet or exceed listing criteria
including NEMA, ANSI, and OSHA standards for indoor and outdoor
power transformer service.
Rear and side entry into an easily accessible and roomy
Provides tinned copper lead wire terminations and
standard ground lug assembly for easy cable installation.
Temperature Range: -20°C (-4°F) to 40°C
Installation made quick and easy:
Via keyhole mounting slots. Wall mounting available on
single phase units from 0.50kVA to 5kVA. Lifting provisions are
included on all single phase units.