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250 KVA Single-Phase Pole-Mounted Transformer

NPC ELECTRIC single-phase pole-mounted transformers are critical components in power distribution networks. They are made of premium materials and typically support residential, commercial, and industrial loads in cities and rural areas. They are filled with sustainable and biodegradable dielectric fluid, which offers excellent fire protection and a longer lifespan.

MPS offers a comprehensive line of single-phase pole-mounted transformers and associated components.

Product Technical Specs

Rating	250 KVA
No. of Phases	1
Type	Pole-Mounted Distribution Transformer
Frequency	60/50 Hz
Primary Voltage	25/37.5 KV
Secondary Voltage	120/240/480 V
Tapping Range	±2 x 2.5%
Winding Material	Copper / Aluminum
Core Material	Grain Oriented Silicon Steel Sheet
Impedance	1.5 – 6.0 %
Efficiency	99.39%
Cooling Type	ONAN
Average Winding Rise	55 °C, 55/65 °C, 65 °C
Fluid Type	Non-PCB Mineral Oil / FR3 Biodegradable
Tap Changer	Off-Load Tap Changer
IEEE Standards	C57.12.00, C57.12.20, C57.12.31, C57.12.35, C57.12.90, C57. 91 and C57.154
NEMA Standard	NEMA TR 1
Tank Coating	IEEE Std C57.12.31-2010
Certification	UL Listed

Transformer Features

This 250 KVA pole-mounted transformer comes in a single-phase configuration with a voltage rating of 25 – 37.5 KV on the primary side and 120 – 480 V on the secondary side.

The unit’s cores are made from Grain Oriented Silicon Steel using state-of-the-art technology. This single-phase pole-mounted transformer is highly energy efficient with lower heat emissions, resulting in fewer cooling requirements.

Diagram Of Transformer

HOME ꄲ Pole Mounted Transformer ꄲ 250 KVA Single-Phase Pole-Mounted Transformer

Cooling Type

ONAN
Primary Voltage

25/37.5 KV
Secondary Voltage

120/240/480 V
Frequency

60/50 Hz
Fluid Type

Non-PCB Mineral Oil / FR3 Biodegradable

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