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Pole Mounted Transformer

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer

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Three Phase Isolation Transformer

Three Phase Pad Mounted Transformer

Single Phase Pad Mounted Transformer

Industrial Control Transformer

Single Phase Control Transformer

Toroidal Isolation Transformer

Three Phase Dry Type Transformer

Three Phase Reactor

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250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer

Brand Name:	WINLEY
Model Number:	D-250/22.86
MOQ:	1unit
Price:	$1000-$10000
Packaging Details:	Plywood case
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

CHINA

Certification:

UL/cUL,CE,ISO

Transformer Type:

Pole Mounted Transformer

Capacity:

250 KVA

Primary Voltage:

22860GrdY/13200

Secondary Voltage:

277/480V

Frequency:

60 Hz

Winding Material:

Copper

Cooling Class:

ONAN; Self-Cooled

Standards:

Meets DOE 2016 Standards, Meets CSA Standards Meets ANSI/IEEE Standards

Supply Ability:

1000set/month

Product Description

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer UL/cUL Listed

WINLEY Electric designs and manufactures a full line of single‑phase pole‑type distribution transformers for overhead utility systems. Built for dependable power and long service life, this 250 kVA pole‑mounted transformer pairs high capacity with industry‑leading safety, efficiency, and corrosion resistance — now reinforced by authoritative UL certification for assured compliance and field confidence.

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 0

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 1

Pole Mounted Transformer Main data

Transformer Type	Pole Mounted Transformer
Phase	Single Phase
Capacity	250 KVA
Primary Voltage	22860GrdY/13200
Secondary Voltage	277/480V
Frequency	60 Hz
Temperature Rise	65°C
Insulation Rating	Class E Insulation - 120°C, 248°F
Cooling Class	ONAN; Self-Cooled
Efficiency Standard(s)	Meets DOE 2016 Standards, Meets CSA Standards Meets ANSI/IEEE Standards
Winding Material	Copper
Ambient Temperature Rating	40°C
Ambient Operating Temperature Range	-40°C to +40°C (-50°F to +104°F)
Sound Level	55 dBA
Tank Material	304 Stainless Steel
Efficiency	99.20%
No Load Loss (in watts)	+/- 680W
Full Load Loss (in watts)	+/- 2,755W

Technical drawings

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 2

Key Advantages

Powerful 250 kVA capacity: Ideal for heavy single-phase distribution loads and industrial or utility pole-mounted applications that require substantial power handling.
UL-qualified: Meets rigorous Underwriters Laboratories (UL) standards, providing verified safety and market acceptance.
High efficiency: 99.20% efficiency (measured at 50% of nameplate kVA), complying with DOE 2016 and CSA efficiency requirements to reduce operating losses and energy costs.
Rugged stainless steel construction: 100% 304 stainless steel tank, removable top cover and corrosion-resistant cover band for outstanding durability in harsh outdoor environments.

Pole Mounted Transformer Certifications

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 3

Pole Mounted Transformer Specifications

10kva-333kva 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	1.8-4%	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

Production process

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 4

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 5

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 6

Tags:

pole mounted distribution transformer

single phase pole mounted transformer

Oil Immersed Distribution Transformer

Products Details

Home > Products >

Pole Mounted Transformer

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer

All Category

Three Phase Isolation Transformer

Oil Type Transformer

Three Phase Pad Mounted Transformer

Single Phase Pad Mounted Transformer

Pole Mounted Transformer

UPS Isolation Transformer

Medical Isolation Transformer

Industrial Control Transformer

Cast Coil Transformer

Single Phase Control Transformer

Toroidal Isolation Transformer

Three Phase Dry Type Transformer

EI Power Transformer

Three Phase Auto Transformer

Three Phase Voltage Regulator

Three Phase Reactor

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer

Brand Name:	WINLEY
Model Number:	D-250/22.86
MOQ:	1unit
Price:	$1000-$10000
Packaging Details:	Plywood case
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

CHINA

Brand Name:

WINLEY

Certification:

UL/cUL,CE,ISO

Model Number:

D-250/22.86

Transformer Type:

Pole Mounted Transformer

Capacity:

250 KVA

Primary Voltage:

22860GrdY/13200

Secondary Voltage:

277/480V

Frequency:

60 Hz

Winding Material:

Copper

Cooling Class:

ONAN; Self-Cooled

Standards:

Meets DOE 2016 Standards, Meets CSA Standards Meets ANSI/IEEE Standards

Minimum Order Quantity:

1unit

Price:

$1000-$10000

Packaging Details:

Plywood case

Delivery Time:

30days

Payment Terms:

T/T

Supply Ability:

1000set/month

Product Description

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer UL/cUL Listed

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 0

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 1

Pole Mounted Transformer Main data

Transformer Type	Pole Mounted Transformer
Phase	Single Phase
Capacity	250 KVA
Primary Voltage	22860GrdY/13200
Secondary Voltage	277/480V
Frequency	60 Hz
Temperature Rise	65°C
Insulation Rating	Class E Insulation - 120°C, 248°F
Cooling Class	ONAN; Self-Cooled
Efficiency Standard(s)	Meets DOE 2016 Standards, Meets CSA Standards Meets ANSI/IEEE Standards
Winding Material	Copper
Ambient Temperature Rating	40°C
Ambient Operating Temperature Range	-40°C to +40°C (-50°F to +104°F)
Sound Level	55 dBA
Tank Material	304 Stainless Steel
Efficiency	99.20%
No Load Loss (in watts)	+/- 680W
Full Load Loss (in watts)	+/- 2,755W

Technical drawings

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 2

Key Advantages

Powerful 250 kVA capacity: Ideal for heavy single-phase distribution loads and industrial or utility pole-mounted applications that require substantial power handling.
UL-qualified: Meets rigorous Underwriters Laboratories (UL) standards, providing verified safety and market acceptance.
High efficiency: 99.20% efficiency (measured at 50% of nameplate kVA), complying with DOE 2016 and CSA efficiency requirements to reduce operating losses and energy costs.
Rugged stainless steel construction: 100% 304 stainless steel tank, removable top cover and corrosion-resistant cover band for outstanding durability in harsh outdoor environments.

Pole Mounted Transformer Certifications

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 3

Pole Mounted Transformer Specifications

10kva-333kva 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	1.8-4%	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

Production process

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 4

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 5

250kva Single Phase Pole Mounted Transformer 304 SS Tank 22860Grdy To 480V oil immersed Power Distribution Transformer 6

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