Pad Mounted Live Front Three Phase Distribution Transformer

Pad Mounted Live Front Three Phase Distribution Transformer image

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Quick Details

Product Name:

Pad Mounted Live Front Three Phase Distribution Transformer

Model NO.:

Three Phase Pad Mounted Live Front Distribution Tr

Brand:

Silverstone Electric

Shape of Core:

Frequency Characteristics:

Power Frequency

Usage:

Distribution Transformer

Certification:

ISO9001-2000, UL, ISO9001, CCC

Winding Type:

Auto-transformer

Cooling Method:

Dry-type Transformer

Core:

Shell-type Transformer

Phase:

Three

Application:

Power, Instrument, Lighting, Rectifier

Quality:

High

Trademark:

Silverstone Electric

Transport Package:

Pallet / Wooden Case / Container

Specification:

Refer to Drawings

Origin:

China

HS Code:

8504329000

Product Details

Three-Phase Pad-Mount Dead Front

SIlverstone Electric liquid-filled three-phase pad-mounted transformers are an excellent choice for any commercial or industrial underground distribution system. Typical applications include manufacturing facilities, refineries, office buildings, schools, hospitals, restaurants, warehouses, and retail stores. All Howard Industries transformers are designed, built, and tested in an ISO-9001 certified facility in accordance with applicable industry standards.

All designs feature fully enclosed tamper resistant terminal compartments and can be supplied with dead-front or live-front construction, for loop or radial feed applications.

Ratings

• KVA Ratings (65° Rise, ONAN)
45, 75, 112.5, 150, 225, 300, 500, 750, 1000, 1500, 2000,
2500, 3000, 3750, 5000, 7000, 7500, 10000

• High-Voltage Ratings (Delta or Wye)
2400 through 46000 (through 200 kV BIL)

• Low-Voltage Ratings (Delta or Wye)
120 through 8600 or 14400Y (through 110 kV BIL)

Standard Features
• Meets or exceeds current IEEE, NEMA, RUS, and DOE standards as applicable
• Full compliance with ANSI C57.12.28 enclosure integrity standards
• Externally clamped porcelain high-voltage bushings with eyebolt connectors
• Externally clamped low-voltage bushings with threaded stud for full-load current through 1400 Amps, or externally clamped one-piece NEMA spade bushings
for full-load current above 1400 Amps
• Removable neutral ground strap in low-voltage compartment
(for wye connected low-voltage ratings only)
• Removable high-voltage/low-voltage neutral link, internally mounted
and accessible through tamper-resistant hand hole (Wye-Wye units only)
• Lifting provisions
• Jacking/rolling provisions
• Removable terminal compartment and bottom sill and removable doors
with stainless steel hinges
• Bolted hand hole on oil compartment top with tamper-resistant security cover
• Three-point door latching system with recessed interlocking
pentahead security bolt and padlock provision
• Tank ground provisions
• Mild steel tank and terminal compartment construction
• Mild steel high-voltage/low-voltage compartment barrier
• Domed top surfaces on tank and terminal compartment to prevent water retention
• Recessed tank compartment bottom
• Electrostatically applied powder paint finish with olive-green polyurethane
top coat (Munsell 7GY 3.29/1.5) provides excellent resistance to chipping, fading,
abrasion, and corrosion
• Oil fill/oil level plug
• Automatic pressure relief device mounted in terminal compartment
• Oil drain valve with sampling device
• Electrical grade mineral oil insulation fluid with oxidation inhibitor
• Laser engraved anodized aluminum nameplate
• Decal bushing designations

Optional Features
• Loadbreak high-voltage bushing inserts or externally clamped integral
(one piece) high voltage bushings for dead-front applications
• Low-voltage connectors, including various screw-on or slip-on types
• Insulated interphase barriers
• Lightning arrester mounting provisions
• Externally operable nonloadbreak high-voltage tap switch with one of the
following tap ranges: four 2.5% taps above normal;
or four 2.5% taps below normal;
or two 2.5% taps above and two 2.5% taps below normal;
or taps at 13800/13200/12870/ 12540 for transformers with a
nominal highvoltage rating of 14400 (may not be available in combination
with dual high-voltage switch)
• Externally operable dual high-voltage switch (may not be available
in combination with highvoltage tap switch)
• Fault indicators or fault indicator mounting provisions only
• Internal expulsion fuses, alone or in combination with internal
backup current limiting fuses
• Draw-out expulsion fuses with isolation links, alone or in combination
with internal backup current limiting fuses
• Draw-out full-range current limiting fuses in dry-well canisters;
with or without interlocking loadbreak switch
• Internal full-range current limiting fuses
• Arc Strangler® fused disconnect switches
• MOV surge arresters, including under-oil or panel-mounted types
• Drip shields for use with draw-out expulsion fuses
• Externally operable two-position or four-position high-voltage loadbreak switch
• Internal low-voltage circuit breaker with external operating handle,
or external molded case low-voltage circuit breakers
• High capacity pressure relief device mounted on tank cover
• Drain valve with sampling device
• Total stainless steel or hybrid (mild steel/ stainless steel) construction
• Temporary access service provision (conduit hole)
• Hexhead security bolt (pentahead standard)
• External Watt-hour meter base with or without meter, or mounting provisions only
• External potential transformers
• External current transformers
• Tank ground connectors
• Cover mounted throat for bus duct connection
• Dial type temperature gauge
• Dial type liquid level gauge
• Dial type pressure/ vacuum gauge
• Cooling fans or fan mounting provisions only
• Amorphous Metal Core
• Seed-based vegetable oil insulation fluid
• Laser engraved stainless steel nameplate (aluminum standard)
• Custom stenciling or labeling
• NEMA safety labels
• Compliance with Canadian Standards Association (CSA) standards
or other non-US standards

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