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25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V

WENZHOU JUNKE ELECTRIC CO., LTD.

8 yrs

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Product Attributes

Customization: Available
Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
Phase: Single
Model NO.: 25kVA Pad Mounted Transformer
Core: Core-type Transformer
Cooling Method: Oil-immersed Type Transformer
Winding Type: Two-winding Transformer
Certification: ISO9001-2000, ISO9001, CCC
Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
Frequency Characteristics: Low Frequency
Brand: Junke
Rated Frequncy: 50/60Hz
Total Weight: 360kg
Transport Package: Wooden
Specification: 1000mm*900mm*700mm
Trademark: JUNKE
Origin: Liushi, Yueqing, Zhejiang Province, China
HS Code: 8504319000
Production Capacity: 5000PCS/Month
Package Size: 100.00cm * 90.00cm * 70.00cm
Package Gross Weight: 360.000kg

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25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V pictures & photos — 25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V

25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V
25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V
25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V
25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V
25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V
25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V

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25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V
25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V
25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V
25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V
25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V
25kVA Single Phase Pad Mounted Distribution Transformer 12470V/240V

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Product Description

Brand: JUNKE
Rated Capacity: 25kVA
Core Certifications: CSA, CESI
Compliant Standards: ANSI/IEEE C.57.12.00, C.57.12.28, C57.12.90; CSA C227.3, NEMA, DOE 2016
Supply Mode: Factory Direct | Customizable | In-stock for Immediate Shipment
Applicable Scenarios: Public Power Grids, Residential Communities, Single-family Residences, Commercial Districts

Core Selling Points

1.Multi-voltage Rating Design for High Adaptability
Optional primary voltages: 34.5-19.92/13.8-7.957/13.2-7.62/12.47-7.2, 27.6/16, 14.4/7.2, or custom specs; optional secondary voltages: 120-240/240-480/347/600, or custom specs. Built with a dual high-voltage core design of 24940GRDY/14400×12470GRDY/7200V, enabling free voltage switching for diverse distribution line requirements.

2.High Energy Efficiency & International Standard Compliance
Boasts an operating efficiency of 98.63%, exceeding DOE 2016 energy efficiency ratings and complying with CAN/CSA 802.1 standards. ISO9001 certified, designed and manufactured in full accordance with ANSI/IEEE and CSA standards for global application.

3.Dual Fuse Protection & Multi-layer Safety Configuration
Standard equipped with bayonet fuses and ELSP fuses, forming a dual fuse protection system that effectively prevents transformer damage caused by line faults. Paired with an oil level gauge and 4-position load break switch for enhanced safety and easier maintenance.

4.Weather & Corrosion Resistant, Suitable for Indoor & Outdoor Installation
Mild steel tank finished with Munsell Green anti-corrosion coating, rated operating temperature from -45ºC to +40ºC, applicable for environments with an altitude ≤1000m. Adopts oil-immersed natural cooling (ONAN) for stable operation in various conditions, supporting both indoor and outdoor installation.

Core Technical Specifications

Core Electrical Parameters	Specifications	Installation & Dimension Parameters	Specifications
Rated Capacity	25kVA	Overall Height	700mm
Phase	Single Phase	Overall Width	900mm
Rated Frequency	60Hz	Overall Depth	1000mm
Primary Rated Voltage	12470Y/7200V, 24940Y/14400V (24940GRDY/14400×12470GRDY/7200V)	Insulating Oil Weight	135kg
Secondary Rated Voltage	240/120V	Total Weight	360kg (600KG)
High-Voltage Insulation Class	25kV	Tank Material	Mild Steel (Munsell Green Coating)
Low-Voltage Insulation Class	1.2kV	Core Material	High-quality Silicon Steel Core
HV Basic Impulse Level (BIL)	125kV (125×95kV)	Winding Material	Aluminum Winding
LV Basic Impulse Level (BIL)	30kV (35kV)	Winding Structure	Integrated Silicon Steel Core & Aluminum Winding Assembly
HV Tap Range	±2×2.5% (5-position tap changer, 3/7-position customizable)	Cooling Method	Oil-immersed Natural Cooling (ONAN), Compliant with IEEE C.57.12.00
Rated Short-Circuit Impedance	1.50% (2% standard, tolerance ±10%)	Insulating Fluid	45# Mineral Oil (PCB-free); FR3/RAPO Vegetable Oil Customizable
Polarity	Additive	Insulating Fluid Capacity	295L
Operating Efficiency	98.63%	Rated Operating Ambient Temperature	-45ºC~+40ºC (Max +40ºC)
No-load Loss (105% Rated Voltage)	125W (Un = Rated Voltage)	Rated Applicable Altitude	≤1000m (Reference Ambient Temperature 20ºC)
Load Loss (85ºC, Rated Voltage)	441W	Rated Operating Noise	≤48dB(A)
Top Oil Temperature Rise	65ºC	Hot Spot Temperature	80ºC
Winding Temperature Rise	65ºC	Connection Type	Delta/Wye
Product Type	Loop Feed Pad Mount; Dead Front/Live Front Optional	BIL Range	30-150kV

Core Product Advantages

Dual High-Voltage Design & Flexible Regulation

24940GRDY/14400×12470GRDY/7200V dual high-voltage core, free switching between 14.4kV and 7.2kV. Standard 5-position off-load tap changer (±2×2.5% fine adjustment), 3/7-position customizable.
High Efficiency & Low Loss

98.63% ultra-high efficiency, exceeding DOE 2016 & complying with CAN/CSA 802.1. Optimized circuit: 125W no-load loss, 441W load loss, cutting long-term energy and operational costs.
Multi-layer Safety Protection

Dual fuse protection (bayonet + ELSP) isolates line faults; HV/LV high-grade insulation (HV BIL 125kV, LV BIL 30kV) for strong anti-overvoltage performance. Fully sealed tank with pressure relief valve & oil level gauge for real-time monitoring, eliminating hazards.
Core Applicable Scenarios

25kVA loop feed pad mounted transformer, ISO9001 certified, compliant with ANSI/IEEE & CSA. High efficiency, multi-layer safety, flexible regulation - widely used in North America and global power distribution:

Public Power Grids: Municipal grids, urban lighting, outdoor facilities | Stable, high adaptability, low maintenance
Residential Communities: Villas, residential quarters | Low noise (≤48dB(A)), low loss, safe and reliable
Commercial Districts: Malls, office buildings, complexes | High efficiency, dual high-voltage for high power demand
Customized Projects: Customizable voltage/tap changer/insulating fluid | OEM/ODM supported for global distributors & engineering projects

About the Supplier

This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR243177". Items marked "" are certified.

Company Profile

We are the professional manufacturing automatic transfer switch, air circuit breaker power capacitor ANSI meter socket and bypass online soft starter, starter panel and low high voltage switchgear panel indoor vacuum circuit breaker, outdoor SF6 circuit breaker, load break switch with automatic controller, auto transfer switch panel and so on

1. Who we are

Junkeis dynamic company established in 1992, who specializes in research and design, manufacturing, and distribution of low high voltage switchgear panel

2 why choose us

We have our own facilities for R& D, Production, Sales & Market, and Customer Support, specializing in the design, manufacture and delivery of customized solution. Equipped with all kinds of professional instruments and testing equipment, combined the professional standard of product testing methods, now we has an annual output of 5, 000, 000 or more products.

3 Junke Mission, vision values

Junke mission is to provide reliable, accurate and customized current transformer solution

Junke vision is leading automatic transfer switch and reactive compensate solution provider

Values Enthusiastic by our work, we offer a quality personal and close service to our customers

Some products have been approved by CE and IEC certificates.

Help client research electric souce for all panel. Control quality door to door to all country of world.

https://junkeelectric.en.made-in-china.com

About Our Factory & Business Background

Address: Tangaozhu West Village Liushi Yueqing Zhejiang
Terms of Payment: LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
International Commercial Terms(Incoterms): FOB, CIF, DDP, EXW
Average Lead Time: Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
Nearest Port: NINGBO, SHANGHAI, QINGDAO

Our Production Capability & Technical Expertise

Main Products: Automatic Transfer Swtich, Power Capacitor, Air Circuit Breaker, Single Meter Socket, Online Soft Starter, Power Factor Correction Device, Energy Meter, Distribution Panel, AC Contactor, Moulded Case Circuit Breaker

Our Industry Experience & Global Business Record

Export Year: 2010-10-01
Main Markets: South America, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia

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