Zhejiang Jiangshan Hengli Electrical Co., Ltd. is one of the leading manufacturers and suppliers of single pole mounted transformer in China. If you're going to wholesale durable single pole mounted transformer made in China, welcome to get pricelist from our factory. All customized products are with high quality and low price.
A single pole mounted transformer is an oil-filled step-down distribution transformer fixed entirely onto one single utility wooden or concrete pole, together with all matching high-voltage accessories like fuses and lightning arresters.It can be used alone for the supply of a single phase load or as one of three units in a bank for the supply of a three phase load. The unit may be direct-mounted to a wooden or concrete pole, or cluster mounted on a pole for three phase use.The single phase oil-immersed transformers are designed for servicing residential overhead distribution loads. They are also suitable for light commercial loads, industrial lighting and diversified power applications.
There are two types of single pole mounted transformer: conventional type and CSP Type.
A conventional type is cylinder sealing structure.Each one is fixed with grounding devices,hooks,supporting lugs which conforms to ANSI standard,and one or two high voltage bushing on the cover,low voltage bushing on the wall of the tank and eyebolt, connecting terminals.The tap changer should be adjusted basing on the instruction after the power off.
A CSP type transformer can self-protection in lightning, short circuit, and can protect the overcircuit and distribution lines from power failure due to its own fault. Features are: one or two high-voltage bushings on the box cover as well as fuses, one or two lightning arresters installed on the side wall, the top of the arrester is close to the high-voltage bushings and connected to the bushings by copper tape.
Scope of Supply
Single Phase Oil-immersed Transformer
- Type: Conventional type/CSP type
- High Voltage: 2400V through 34500 GrdY/19920V
- Low Voltage: 120/240V,240/480 V,347V,600V
- Rated Capacity: 10kva-333kva
Key Design Features
- All hardware hangs on one pole only, no extra ground platform needed, saving land space a lot
- Compact light body, easy for one team to lift and install during field construction
- Built-in drop-out fuses and surge arresters to protect against overload and lightning strikes
- Weatherproof sealed oil tank, anti-rust shell, works reliably in rural, coastal and mountain areas
- Supports tap adjustment (±2×2.5% or ±5%) to fix unstable grid voltage
Main Advantages for Buyers
- Low installation cost: no concrete pad foundation required, cuts civil work budget
- Flexible layout: can be set up anywhere overhead lines reach, perfect for sparse residential areas
- Easy maintenance: all parts sit at a moderate height on one pole, technicians can inspect and repair without complex lifting tools
- Lower theft risk compared to ground pad-mounted transformers
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