Product Introduction

10kVA, 15kVA, and 25kVA belong to small-capacity pole-mounted transformers (typically single-phase), featuring compact structure, small size, easy installation, and low capital investment. They can effectively reduce the low-voltage power supply radius and decrease line losses by over 60%. Suitable for rural power grids, remote mountainous areas, scattered villages, agricultural production, lighting, as well as energy-saving upgrades for railway and urban grid pole-mounted distribution lines.

Key Features and Specifications

Parameter Item	10kVA	15kVA	25kVA
Applicable scenarios	light load scenarios such as single household small residences, streetlights, and small communication base stations.	larger residential area, or 2-3 small apartments or small offices.	can meet the electricity needs of a small community (4-6 households), small retail stores, restaurants, or small workshops
Total weight	About 150kg	About 205-210kg	About 245-258kg
No-load loss	About 36 - 50 W	About 50 - 65 W	About 80 - 105 W
Load loss	About 120 W	About 195 W	About 290 W
Dimensions (length x width x height)	Approximately 910 x 470 x 550 mm	approximately 970 x 500 x 580 mm	approximately 1025 x 550 x 630 mm
Oil weight	About 22 kg	About 30 kg	About 45 kg

FAQs

Q1: Do double poles needed for such a large transformer?

A: Single pole is sufficient. Small capacity transformers (usually ≤ 50kVA) can be installed on a single pole, which saves space and costs. Double pole (H-pole) is mainly used for capacities above 50kVA up to 400kVA.

Q2: Is the ground height requirement the same as a conventional transformer?

A: Yes.
Transformer bottom to ground: ≥ 2.5m (non residential areas ≥ 3m)
Exposed live parts at a distance of ≥ 3.5m from the ground.

Q3: What is the biggest drawback for such pole mounted transformers?

A: Susceptible to lightning strikes, pollution flashes, tree barriers, and external short circuits since they are exposed outdoors; high maintenance workload due to poor operating environment.

Q4: Do drop out fuses need for the high-voltage side?

A: Yes. Even if the capacity is small, a high-voltage drop out fuse must be configured for short-circuit protection and isolation of the fracture.

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