Single-Phase Pole Mounted Overhead Self Protected Distribution Transformer

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Quick Details

Product Name:

Single-Phase Pole Mounted Overhead Self Protected Distribution Transformer

Model NO.:

Single-Phase Overhead Self Protected Pole Mounted

Brand:

Silverstone Electric

Shape of Core:

Frequency Characteristics:

Power Frequency

Usage:

Single-phase Transformer

Certification:

ISO9001-2000, UL, ISO9001, CCC

Winding Type:

Separated Winding Transformer

Cooling Method:

Oil-immersed Type Transformer

Core:

Shell-type Transformer

Phase:

Single

Application:

Power, Electronic, Instrument, Lighting, Rectifier, Audio

Quality:

High

Trademark:

Silverstone Electric

Transport Package:

Pallet / Wooden Case / Container

Specification:

Refer to Drawings

Origin:

China

HS Code:

8504329000

Product Details

Single-Phase Overhead Self Protected Pole Mounted Distribution Transformer

Silverstone Electric manufactures a complete line of single-phase overhead self-protected transformers, all designed with increased margins of safety and reliability.

Contact our distributor or factory representative for availability of other kVA sizes, voltage ratings, features, accessories and design standards not listed

Ratings

• KVA Ratings (65° Rise)
3, 5, 10, 15, 25, 37.5, 50, 75, 100

• High-Voltage Ratings
4160GrdY/2400 through 34500GrdY/19920 (60 kV through 200 kV BIL)

• Low-Voltage Ratings
120/240, 240/480 or 277 (30 kV BIL)

Standard Features
• Meets or exceeds current IEEE, NEMA,RUS, and DOE standards as applicable
• Shell-type core design
• Interlaced low-voltage windings on units through 25 kVA
• Wet-process porcelain high-voltage bushings
(oil-filled at 125 kV BIL and above for reduced radio interference)
• Molded polymer or wet-process porcelain low-voltage bushings
• Tin-plated bronze terminals suitable for connection to copper or aluminum
• Low-voltage grounding provision
• Low-voltage ground strap (1-bushing units only)
• Permanently stamped identification on internal secondary leads
for ease of paralleling
• Visible cover ground connected to upper mounting bracket
• Tank grounding provisions
• Tank ground connector (1-bushing units only)
• Low-voltage circuit breaker with external operating handle
• External, tank-mounted lightning arrester
• Internal, bushing-mounted high-voltage expulsion fuse
• Lightning arrester, externally-mounted
• Automatic pressure relief valve for added safety
• Mineral oil with oxidation inhibitor
• Mild steel tank, cover and ring
• Continuous-bead welding on lifting lugs and mounting brackets
for increased safety and corrosion resistance
• Recessed tank bottom for scuff protection
• Tough powder-paint finish for improved resistance to abrasion and corrosion
• 10 kV minimum cover and ring insulation
• Corrosion-resistant cover-ring hardware
• KVA marking on tank
• Internal oil-level mark
• Laser-engraved aluminum nameplate

Optional Features
• Stainless steel tank and/or cover and/or cover ring
• Lightning arrester mounting provisions (standard on self-protected transformers)
• High-voltage tap switch with external operating handle:
5-2.5% taps above normal; or 5-2.5% taps below normal;
or 2-2.5% taps above and below normal;
or taps at 13800/13200/12870/12540 for units rated 14400
• Dual high-voltage switch with external operating handle
• Interlaced low-voltage windings (standard on units through 25 kVA)
• Amorphous Metal Core
• Drain valve with oil sampling device
• Temperature gauge
• Liquid level gauge
• Pressure/vacuum gauge
• Wildlife protection
• Overload warning signal light
• Emergency overload reset handle
• Tank ground connector (standard on 1-bushing transformers)
• Low-voltage winding ground strap (standard on 1-bushing transformers)
• Ester-based dielectric fluid
• Custom stenciling and labeling
• Laser engraved stainless steel nameplate
• Rural Utilities Service (RUS) design standards
• Canadian Standards Association (CSA) design standards
• Other non-US design standards

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