Pad Mounted Transformer

25 KVA Single Phase Pad Mount Transformer

Brand: HENGFENGYOU
Series:
USES:
Country of origin: China
Terms of payment: L/C, T/T, Western Union, Paypal, Money Gram
Certification: ISO9001、CB、CE、KEMA

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25 KVA Single Phase Pad Mount Transformer
The 25kva Single phase Pad Mount Transformer from HENGFENGYOU ELECTRIC offers powerful, reliable, and efficient power distribution in indoor, outdoor and public locations. The low operating costs, low heat emissions, and low cost of ownership makes this transformer ideal for a wide range of applications and businesses. An enclosed design caters to installations on concrete pads without protective fencing.

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25 KVA Single Phase Pad Mount Transformer advantage

- Fully enclosed, fully insulated structure, safe and reliable operation

- Low loss, low noise, low temperature rise, strong load capacity over fixed capacity, strong resistance to sudden short circuit

- Flexible wiring mode, can be used for terminal system, also can be used for ring network system, convenient conversion, improve the power supply reliability

- Easy to operate, maintenance-free, low equipment cost

25 KVA Single Phase Pad Mount Transformer technical specifications

Capacity: 25KVA Single Phase Pad Mounted Transformer

Rating (KVA)	High vologe (kva)	No Load Loss	On Load Loss	oil weight (kg)	total weight (kg)
15	34.5/19.92 13.8/8 13.2/7.6 12.47/7.2 or others	50	195	45	294
25		80	290	68	362
37.5		106	360	75	476
50		135	500	93	553
75		190	650	132	672
100		280	1010	230	714
167		435	1530	265	913
250		550	2230	325	1106

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25 kva Single Phase Pad Mount Transformer FAQ

1. What is a 25kVA single-phase pad-mounted transformer?

A 25kVA single-phase pad-mounted transformer is an outdoor electrical distribution transformer designed to step down utility voltage (e.g., 7.2kV, 14.4kV) to lower voltages (e.g., 120/240V) for residential or light commercial use. It is mounted on a concrete pad for stability and safety.

2. What are the typical primary and secondary voltages?
- Primary voltage: Commonly 7.2kV, 14.4kV, or other utility distribution voltages.
-Secondary voltage: Typically 120/240V split-phase for residential applications.

3. Where is this 25kVA single-phase pad-mounted transformer used?
It is used in underground distribution systems, serving homes, small businesses, or rural areas where overhead lines are impractical.

4. What are the key features of a pad-mounted transformer?
Enclosed, tamper-resistant design
Oil or dry-type insulation (liquid-filled is more common)
Pad-mounted for easy access and maintenance
Lightning and surge protection

5. How efficient is a 25kVA single-phase transformer?
Efficiency typically ranges between 97-99%, depending on load and design. Newer models meet DOE (Department of Energy) efficiency standards.

6. What are the installation requirements?
- A level concrete pad (typically 4’ x 4’ or as per utility specs)
- Proper clearance from walls/obstructions (usually 3-5 feet)
- Compliance with local electrical codes and utility regulations

7. How is maintenance performed?
Regular inspections for oil leaks (if oil-filled), corrosion, or damage
Thermal imaging checks for hotspots
Oil testing (for liquid-filled units) every few years

8. What safety features are included?
Lockable doors to prevent unauthorized access
Overload and fault protection
Pressure relief vents (for oil-filled transformers)

9. What is the expected lifespan?
With proper maintenance, a pad-mounted transformer can last 30-40 years or more.

10. Can it be used for renewable energy applications?
Yes, it can integrate with solar or wind systems, stepping up/down voltage as needed for grid connection.