Howard Power Solutions offers a complete line of pad-mounted distribution transformers that are ideal for use on any residential or commercial distribution system, all designed to satisfy the most demanding requirements for safety, reliability and aesthetics. \n\n Howard Power Solutions 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.
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, 75, 100, 167, 250, 333 |
| High-Voltage Ratings: | 4160GrdY/2400 through 34500GrdY/19920 |
| Or 2400/4160Y through 19920/34500Y (60kV through 150kV BIL) | |
| Low-Voltage Ratings: | 240/120, with 3 low-voltage bushings |
| 120/240, with 4 low-voltage bushings | |
| 480/240, with 3 low-voltage bushings | |
| 240/480, with 4 low-voltage bushings | |
| 120, with 2 low-voltage bushings | |
| 240, with 2 low-voltage bushings | |
| 277, with 2 low-voltage bushings | |
| 480, with 2 low-voltage bushings | |
| (30kV BIL) |
| 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 | |
| Meets or exceeds current ANSI, NEMA, RUS, and DOE standards as applicable | |
| Full compliance with IEEE C57.12.28 enclosure integrity standards |
| 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 | |
| Temporary service access provision (conduit hole) | |
| High-voltage, load break on/off or sectionalizing switch | |
| Fault indicator or 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 or slip-fit connectors | |
| Internally mounted expulsion fuse (alone or in combination with internally mounted, partial-range current limiting fuse) | |
| Draw-out expulsion fuse in combination with internally mounted partial-range current limiting fuse or isolation link | |
| Draw-out (dry well) full-range current limiting fuse | |
| Drip shield for use with draw-out expulsion fuse | |
| Internally mounted full-range current limiting fuse | |
| Low-voltage circuit breaker with or without emergency overload lever | |
| MOV high-voltage lightning arrester: external plug-in elbow type, or under-oil mounted with or without external disconnect | |
| 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 may not be available in combination with dual high-voltage ratings) | |
| Dual high-voltage switch with operating handle in the terminating compartment (may not be available in combination with high-voltage tap switch) | |
| Interlaced low-voltage windings | |
| Amorphous Metal Core | |
| Drain valve with or without sampling device | |
| Temperature gauge | |
| Liquid level gauge | |
| Pressure/vacuum gauge | |
| Tank ground connectors | |
| Hold-down cleats | |
| Lifting bolts | |
| Custom stenciling and labeling | |
| Laser engraved stainless steel nameplate | |
| NEMA safety labels | |
| Ester-based dielectric fluid | |
| Canadian Standards Association (CSA) design standards and other non-U.S. standards | |
| Hi-Lift hood | |
| HV Bushing Wells with removable stud | |
| Internal Fault Detector (IFD) |
