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15kVA  Dual Winding Single Phase Pole Mounted Transformer 4160V To 120/208V ANSI/IEEE Standards
Detail Information
Place of Origin:
CHINA
Certification:
UL,cUL,CE,ISO
Transformer Type:
Overhead Distribution Transformer, Conventional Type
Capacity:
15 KVA
Primary Voltage:
4160V
Secondary Voltage:
120/208V (L-N-L)
Primary BIL:
60 KV
Secondary BIL:
30 KV
No Load Loss:
+/- 65W
Full Load Loss:
+/- 250W
Delivery Time:
30days
Supply Ability:
5000set/month
Product Description

15kVA Dual Winding Single Phase Pole Mounted Transformer 4160V To 120/208V ANSI/IEEE Standards​

 

 

The Winley Electric 15 kVA Single-Phase Pole-Mounted Transformer is engineered for high-reliability utility and industrial power distribution. Designed specifically for the North American market, this conventional-type unit combines robust construction with strict adherence to safety and efficiency standards. Featuring all-copper windings and high-grade mineral oil insulation, it provides superior thermal performance and long-term durability in demanding outdoor environments.

 

Core Highlights & Compliance

 

  • Full North American Certification: Fully compliant with UL and cUL listing requirements, ensuring seamless integration into regulated power Grids.
  • NEC (National Electrical Code) Compliant: Designed and manufactured to meet NEC Article 450 requirements for transformer protection, grounding, and ventilation, facilitating rapid inspection and permitting.
  • Energy Efficiency: Meets or exceeds DOE 2016 (10 CFR Part 431) energy conservation standards, significantly reducing no-load and load losses.
  • Standards Adherence: Built in accordance with ANSI/IEEE C57, NEMA TP-1, and CSA standards for distribution transformers.
  • Environmental Safety: Utilizing 100% Non-PCB mineral oil with optimized cooling fins for stable operation under peak load conditions.

 

15kVA  Dual Winding Single Phase Pole Mounted Transformer 4160V To 120/208V ANSI/IEEE Standards 0

 

Main data

 

Transformer Type Overhead Distribution Transformer, Conventional Type
Transformer Configuration Liquid Filled Pole Mounted
Phase Single Phase
Capacity 15 KVA
Primary Voltage 4160V
Primary Phasor Delta
Primary BIL 60 kV
Secondary Voltage 120/208V (L-N-L)
Secondary BIL 30 KV
Frequency 60 Hz
Temperature Rise 65°C
Insulation Rating Class E Insulation - 120°C, 248°F
Cooling Class ONAN; Self-Cooled
Tap Changer 5-Position Tap Changer w/ External Operating Handle
Primary Lightning Mounting Provision Mounting Provisions for Installing Lightning Arrestor on H1 & H2 Primary Terminals
Secondary Neutral Connection Secondary X2 Neutral Grounded to Tank via 1/2”-13 UNC Tapped Hole, 7/16” Deep Bung & Copper Ground Strap
Efficiency Standard(s) Meets DOE 2016 Standards, Meets CSA Standards Meets ANSI/IEEE Standards
Winding Material Copper
Dimensions* 19.69''-W x 22.83''-D x 38.19''-H
Efficiency 98.50%
No Load Loss (in watts) +/- 65W
Full Load Loss (in watts) +/- 254W

 

Technical drawings

 

15kVA  Dual Winding Single Phase Pole Mounted Transformer 4160V To 120/208V ANSI/IEEE Standards 1

 

Key Features

  • Precision Tap Switching: Externally operated manual tap changer allows for precise voltage regulation to compensate for line drops.
  • Advanced Protection: Equipped with high-voltage porcelain bushings and low-voltage molded bushings for superior dielectric strength.
  • Rugged Hardware: Stainless steel nameplates and NEMA-standard lifting lugs and mounting brackets for secure pole installation.
  • Reliable Sealing: High-temperature resistant gaskets ensure a leak-proof tank environment throughout the product's lifecycle.

15kVA  Dual Winding Single Phase Pole Mounted Transformer 4160V To 120/208V ANSI/IEEE Standards 2

 

Applications

 

  • Residential Distribution: Ideal for stepping down primary feeder voltages for localized residential service.
  • Commercial Power: Reliable power supply for small-scale commercial facilities requiring 120/208V service.
  • Industrial Infrastructure: Suitable for remote industrial sites and construction power where NEC-certified equipment is mandatory.

 

Specifications

 

10kva-500kva Single-phase oil immersed transformer
Rated Cap acity(kVA) High Low Voltage(v) Connection Symbol Standard Short-circuit impedance(%) Efficiency
Voltage(v) (%)
10 4160
7200
12000
12470
13200
13800
19920
24940
34500
110
220
230
400
480
II0,II6 IEEE/ANSI/ DOE/CSA 1.0-4.5% 98.7
15 98.82
25 98.95
37.5 99.05
50 99.11
75 99.19
100 99.25
167 99.33
250 99.39
333 99.43
500 99.49

 

Production Process

 

15kVA  Dual Winding Single Phase Pole Mounted Transformer 4160V To 120/208V ANSI/IEEE Standards 3

15kVA  Dual Winding Single Phase Pole Mounted Transformer 4160V To 120/208V ANSI/IEEE Standards 4

15kVA  Dual Winding Single Phase Pole Mounted Transformer 4160V To 120/208V ANSI/IEEE Standards 5