Single-Phase Pad-Mounted Space-Saver™

The Space-Saver™ is an ultra-compact single-phase pad-mounted transformer designed for those applications requiring small size and unobtrusive appearance. It is ideal for residential service and for irrigation and oil field applications.

Howard Industries manufactures a complete line of transformers, all designed with increased margins of safety and reliability. Contact your distributor or factory representative for availability of other kVA sizes, voltage ratings, features, accessories and design standards not listed.

Talk to us about filling a custom order that best fits your needs.


KVA Ratings (65° Rise): 5, 10, 15, 25, 37.5, 50
High-Voltage Ratings: 4160GrdY/2400 through 24940GrdY/14400 (60kV through 125kV BIL)
Low-Voltage Ratings (30kV BIL): 240/120, with 3 low-voltage bushings or 3 cable leads
120/240, with 4 cable leads
480/240, with 3 low-voltage bushings or 3 cable leads
240/480, with 4 cable leads
120, with 2 low-voltage bushings or 2 cable leads
240, with 2 low-voltage bushings or 2 cable leads
277, with 2 low-voltage bushings or 2 cable leads
480, with 2 low-voltage bushings or 2 cable leads
Meets or exceeds current NEMA, RUS, and DOE standards as applicable except for certain dimensional characteristics
Full compliance with IEEE 57.12.28 enclosure integrity standards
Two externally clamped universal high-voltage bushing wells for loop feed operation or one externally clamped bushing well for radial feed operation
Three externally clamped low-voltage bushings with threaded copper studs, including a fully insulated neutral terminal with removable ground strap (removable ground strap standard on 240/120 and 480/240 ratings only)
Embossed bushing mounts
Threaded, flush mounted stainless steel lifting provisions
Automatic pressure relief device
Electrical grade mineral oil with oxidation inhibitor
Removable hood with corrosion resistant stainless steel hinge pins and barrels
Mild steel enclosure and detachable sill fastened with stainless steel hardware
Recessed oil compartment bottom
Electrostatically applied powder paint finish with polyurethane top coat for excellent resistance to chipping, fading, abrasion and corrosion
Front panel accessory mounting bracket
Domed top surfaces on hood and oil compartment to prevent water retention
Oil fill/oil level plug
Oil drain plug
Tank grounding provisions
Corrosion resistant locking assembly with captive penta-head security bolt, floating nut and padlock provision
Decal or stenciled bushing designations
Laser engraved anodized aluminum nameplate
Total stainless steel or hybrid (mild steel/stainless steel) enclosure; hybrid enclosure may have stainless steel applied to any of the following components: hood, sill, oil-compartment riser, bottom/front panel, and high-voltage bushing clamps. Available grades of stainless steel include 409, 304 and 304L
Molded polymer mounting pad
Temporary service access provision (conduit hole)
Fault indicator
Fault indicator provision only
Load break high-voltage bushing inserts
Removable low-voltage ground strap (standard for 240/120 and 480/240 ratings)
Low-voltage terminals, including various screw-on spades and some slip-fit connectors
Internally mounted expulsion fuse or draw-out expulsion fuse with isolation link
Drip shield for use with draw-out expulsion fuse
High-voltage tap switch with operating handle in the terminating compartment with one of the following tap ranges:
• Four 2.5% taps above normal
• Four 2.5% taps below normal
• Two 2.5% taps above and two 2.5% taps below normal
• Taps at 13800/13200/12870/12540 for transformers with a nominal high-voltage rating of 14400 (high-voltage taps not available in combination with dual high-voltage ratings)
Interlaced low-voltage windings
Amorphous Metal Core
Tank ground connectors
Hold-down cleats
Lifting bolts
Custom stenciling and labeling
Laser engraved stainless steel nameplate
NEMA safety labels
Ester-based dielectric fluid
Hi-Lift hood
HV Busing Wells with Removable stud