Cut Sheet

Specification Sheet
600V Class Commercial Potted Distribution Transformer
HPS Fortress™
10 year
Available in single phase and three phase
Aluminum
Single Phase ratings from 50VA to 37.5kVA, Three Phase ratings from 2kVA to 75kVA
All welded core construction made with high quality, high permeability silicon steel laminations
Copper or aluminum windings, with terminations brazed, welded or bolted.
Front accessible wiring compartment with high and low voltage lead wires or copper tabs.
Wall mounting up to 45 kVA and floor mounting for all three phase units above 15 kVA.
60 Hz frequency (50/60 Hz on four single phase voltage groups)
Warranty
Phase
Winding Material
Rating
Voltage Primary volts: 120 x 240, 208 x 416, 120/208/240/277, 240 x 480, 277, 277/480, 347/380, 600
Export model available.
Core
Coil
Termination
Heavy Duty Type 3R (Conduit knockouts on sides and rear). Encapsulated with electrical grade silica
sand and resin compounds.
Enclosure
Mounting
Frequency
130°C/180°CInsulation System
CSA Certified, UL Listed
Approvals and Standards
Electrostatic Shielding on all single phase units over
0.50 kVA
Features and Benefits
Electrostatic shield standard on all three phase
units and single phase units from 750VA and up
Custom sizes, ratings and styles available upon
request
Type 4/12 gasketting kit.
Stainless Steel Nameplate
Options
PL28- Page 1 of 1SS_sFor
Data subject to change without notice. Please visit www.hammondpowersolutions.com for the most current data.
Printed: December 18, 2014