25 kVA Single Phase Pad Mounted Transformer


  • Primary Voltage Ratings: 34.5-19.92/13.8-7.957/13.2-7.62/12.47-7.2 ,27.6/16, 14.4/7.2 or others
  • Secondary Voltage Ratings: 120-240/240-480/347/600 or others
  • H.V. TAP RANGE: ±2×2.5% or others
  • CONNECTION TYPE: Delta/Wye
  • TYPE: Dead front/Live front
  • BIL: 30-150
  • Standards: CSA IEEE NEMA DOE
  • Application: ultilities, residential, single family house, commercial district
  • Power Rating: 25 kVA

Daelim 25 kVA pad mounted transformer meets/exceeds DOE 2016 efficiency ratings with UL/cUL listed. Design and production with ANSI/IEEE, CSA standards. The Daelim Transformer's single-phase pad-mounted transformer has numerous applications in the United States and Canada, especially for utility companies and transformer distributorsThe single-phase pad-mounted transformer is a versatile solution with a wide range of applications throughout North America. It is particularly well-suited for use by utility companies, distribution networks, and residential areas, where it serves a multitude of important functions.


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25 kVA Transformer Specifications
Phase 1 phase Std.  CSA C227.3
Power rating 25 kVA Fluid Mineral Oil
Mounting Pad Mount Frequency 60Hz
HV Voltage 24940GRDY/14400×12470GRDY/7200 Tap changer 5-position
LV Voltage 240/120 Fluid Capacity 295 L
HV BIL 125×95 kV Total weight 600 KG
LV BIL 35 kV HV Bshg. bushing well
Polarity Additive LV Bshg 7 holes
Cooling method ONAN Impedance 1.50%
Winding Material Aluminum Paint Color Munsell green
Efficiency 98.63% Fuses Bayonet & ELSP fuse

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25 kVA Transformer Accessories
Name Qty Name Qty
Bolt for lifting 4 Pressure relief valve 1
Hinged door 1 ELSP fuse 1
Parking stand bracket 1 Bayonet fuse 1
Flip top cover 1 Four-position load break switch 1
LV bushing 3 Tap changer 1
Pentahead bolt arrangement 1 DV switch 1
Fill plug 1 Insert with dust cap 2
Drain valve 1 Grounding bracket 1
Ground strap copper 1 Oil level gauge 1
HV bushing well 2 Drip tray 1
Grounding spade terminal  2 Equipotential device 1
Name plate 1 Clamp 2

Daelim Transformer

ZGDL-H-25/14.4(7.2)/0.24(0.12)

ZGDL-H-25/14.4(7.2)/0.24(0.12)

The ZGDL-H-25/14.4(7.2)/0.24(0.12) is a 25 kVA single phase pad mounted transformer. It is a residential transformer designed and produced by Daelim Transformer for Canada. The customer is a local distributor. This batch of orders includes a total of 8 units 25 kVA transformers, mainly to provide power distribution products for local residential areas. Daelim Transformer's 25 kVA single phase pad mounted transformer can provide powerful, reliable, safe and efficient power distribution for residential and commercial areas. It has the characteristics of low operating cost, easy installation, long service life and environmental protection.

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25 kVA Transformer Features

The 25 kVA transformer with a power rating of 25 kVA, the high voltage of the transformer is 24940GRDY/14400×12470GRDY/7200V, which is a dual high voltage design. Customers can switch between 14.4kV and 7.2kV through a dual voltage switch according to the distribution line. There is a five-position voltage regulating switch on the high-voltage side, which can allow small changes in voltage within ±2 * 2 ½%.

The low voltage is 240/120V. The frequency is 60 Hz. The transformer is equipped with aluminum windings. The primary and secondary potentials in the same magnetic flux are in the same direction and have positive polarity. The transformer has an efficiency value of 98.63% and complies with CAN/CSA 802.1 standards. The impedance value is 1.5%. The high-voltage side has a casing well and an insert with a dust cap. The low-voltage side has three seven-hole spade terminals.

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25 kVA Transformer Features
25 kVA Transformer Features

25 kVA Transformer Features

The 25 kVA transformer has bay o net fuse and ELSP fuse to form a double fuse system to protect the transformer from damage in circuit faults. The transformer comes complete with an oil level indicator and a 4-position load break switch, adding to its versatility and ease of maintenance.

Daelim Transformer's ZGDL-H-25/14.4(7.2)/0.24(0.12) transformer embodies the perfect blend of advanced technology, uncompromising quality, and a customer-centric approach. We take pride in providing solutions that empower communities with efficient, reliable, and safe power distribution, making us the preferred choice for residential and commercial applications in Canada.

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25 kVA Single Phase Pad Mounted Transformer

Down Loads

Daelim Single Phase Pad Mounted Transformer Catalog

Daelim Single Phase Pad Mounted Transformer Operation And Maintenance Manual

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Specifications

Model: ZGDL-H-25 12.47Y/7.2-24.94Y14.4-240/120 HV BIL: 125 kV
Standard manufacturing and testing: C.57.12.00; C.57.12.28; C57.12.90                 LV Insulation class: 1.2 kV
Type: Loop feed pad mount LV BIL: 30 kV
Installation: Outdoor Audible sound level: 48db
Altitude above sea level/Ambient temperature:1000m/20℃  
Altitude≤1000m  
Rated Power:25 kVA Impedance: 2%
HV: 12470Y/7200V,24940Y14400 Impedance tolerance: ±10%
LV: 240/120 Tank: Mild steel 
Rated Frequency:  60Hz Colors: Munsell Green
Cooling System: ONAN Height:: 700mm
Core material: Silicon Steel Core Depth: 1000mm
Refrigerant:: Mineral oil 45# (PCB FREE)   Width: 900mm
Working-Temperature: -45°C to +40°C Weight
The temperature rise -Top oil: 65°C Oil weight: 135kg
The temperature rise --Winding: 65°C Total weight: 360kg
Hot spot::  80°C  
No load losses at 105% rated voltage: 125W Contact us for special requirements
Load loss at the rated voltage at 85°C: 441W Tel: +86-10-65003129
Winding material: Aluminum www.daelimtransformer.com
HV Insulation class:25 kV

Email: pingruidan@daelim-electric.com

Transformer Outline Drawing

25 kva transformer drawing
 

Daelim 25 kVA single phase pad mounted transformer operates safely, reliably, and efficiently and can be installed indoors and outdoors. This type of transformer has a low operating cost, is environmentally friendly, easy to install, and has a low purchase cost, so it is widely used in residential, commercial, and other public places.

 

Transformer Features: The industrial transformer has a rated power of 25 kVA.The unit transformer is a dual high-voltage design. The high voltages are 12470y/7200V and 24940y/14400V.

 

The ZGD-H-25/12.47/7.2-24.94/14.4-240/120 transformer is an ONAN cooling method. The manufacturing and testing standard are IEEE C.57.12.00; IEEE C.57.12.28; IEEE C57.12.90

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Insulation Fluid: The ZGD-H-25/12.47/7.2-24.94/14.4-240/120 transformer uses mineral oil 45#. The boiling point and instant ignition point of mineral oil are not lower than 140°, and it is not flammable. It has good insulation and heat dissipation effect, which not only improves the insulation strength but also protects against moisture erosion. Does not produce PCB and other harmful gases. It is harmless to people. If you need vegetable oil, Daelim can provide two brands of FR3 and RAPO for you to choose from.

 

Tap Changer: The ZGD-H-25/12.47/7.2-24.94/14.4-240/120 transformer has no tap changer.  Daelim can provide 5 position and  7-positon no-load tap changer.

 

Accessories including : 

Core&Coil Assemble: 125 kva transformer
Bayonet fuse: 1
Drip shield Assembly: 1
Fuse Holder: 1
Backup fuse: 1
Fuse assembly: 1
Pressure relief valve: 1
Oil level gauge: 1
Oil-in flug: 1
Nameplate: 1
HV bushing well and insert: 2
No-load tap changer: 1
Grounding spade terminal: 2
Oil-out plug: 1
Bolt for earth: 1
Copper strip: 1
LV Terminal: 3

Bolt for lifting: 4

 

Certificate

Daelim is a professional pad mounted transformer manufacturer. Pad mounted transformer has UL/cUL, CSA, CESI, and other certificates. Can meet the requirements of various international standards, such as ANSI/IEEE, CSA, and DOE efficiency value.

DOE
AS
GOST