167 kVA Power Pole Transformer-13.8/0.347 kV | Canada 2025

Steady Energy, Rain or Shine – Trust Pole Mounted Transformers!

01 General

1.1 Project Description

In 2025, a 167 kVA power pole transformer was delivered to Canada. It serves as a suburban industrial and commercial area, supplying light manufacturing facilities, offices, and residential clusters. Power comes through a 13.8 kV feeder, stepping down to 0.347 kV for everyday use. Winter heating peaks and occasional storms make reliable, steady power a must.

The power pole transformer is built with ONAN cooling, ±2×2.5% NLTC, and a vector group of Ii6. With additive polarity, it integrates smoothly into standard electrical systems. A pressure relief device protects against internal overpressure, while an integrated surge arrester boss guards against lightning and voltage spikes. The off-circuit tap changer allows manual voltage adjustment-no service interruption needed.

Compact yet durable, this transformer is easy to install. It works well in utility networks, commercial sites, industrial facilities, and renewable energy connections. Designed to handle harsh weather, it delivers reliable power year-round and supports both urban and rural distribution projects.

1.2 Technical Specification

167 kVA power pole transformer specifications type and data sheet

1.3 Drawings

167 kVA  power pole transformer diagram drawing and size.

02 Manufacturing

2.1 Insulation & Core Technology

The 167 kVA pole mounted transformer carries a 125 kV BIL, which-especially in storm-prone regions-gives it the breathing room it needs against sudden surges. And the amorphous metal core, quiet and efficient, trims no-load losses in a way that becomes very noticeable over years of operation.

2.2 Electrical Compatibility

Additive polarity, the Ii6 vector group, aluminum windings-nothing unusual for North American grids. These details keep the pole mounted transformer light, well-matched to utility feeders, and easy to slot into existing switching practices.

2.3 Cooling & Mechanical Structure

Cooling relies on ONAN circulation, but with a twist: radiator fins on the tank walls, increasing the oil’s heat-dissipation area; simple parts, no moving mechanisms, yet the effect is steady and reliable. The design runs naturally, even in long winter loads when the transformer barely gets a break.

2.4 Surge Arrester Boss

The surge arrester boss takes the spotlight here-set directly on the tank wall, shaped for quick mounting, and positioned so the grounding path stays short and clean. Installers tend to like this kind of detail; it saves a few minutes during installation and avoids awkward cable routing on the pole. Nothing extra hanging around, no unnecessary indicators-just a practical, built-in interface that helps the pole mounted transformer handle lightning and switching surges with a bit more confidence.

2.5 pressure relief device

A pressure relief device stands guard against unexpected internal pressure spikes-fault gases, thermal expansion, you name it. The tank itself, fully weather-resistant, handles freezing rain, salt spray, or simple year-round UV exposure with little complaint.

03 Performance Advantages

The pole mounted transformer manages both urban feeders and rural circuits without much fuss. It stays stable through winter surges, abrupt weather shifts, or storm-related voltage variations-conditions that often test distribution equipment in Canada. Its low-loss design, boosted by the amorphous core and CSA-aligned efficiency, keeps the unit cooler and more economical over time. Installation remains quick: compact tank, predictable clearances, radiator fins positioned for easy pole mounting. Once energized, the transformer rarely asks for attention; natural cooling plus straightforward components keep maintenance plain and predictable. Industrial zone, residential cluster, or mixed-use corridor-the transformer fits into each setting without demanding special treatment. Versatile, steady, and built for outdoor life, it simply does its job.

04 Testing

05 Packing and Shipping

5.1 Packing

The pole-mounted transformer is packed in a sturdy wooden crate or steel frame, internally cushioned with shock-absorbing materials (e.g., foam or bubble wrap) and wrapped with waterproof plastic film to prevent moisture and impact during transit. The transformer body is secured with metal straps, while fragile parts like transformer bushings are protected by rigid plastic covers, and the oil tank is sealed to prevent leaks. The packaging is clearly labeled with “↑This Side Up,” “Fragile,” product specifications, weight, and lifting points, using ISPM15-compliant treated wood. The design ensures safety, environmental compliance, and easy handling for single or modular transportation.

5.2 Shipping

Under CIF terms, the pole-mounted transformer will be shipped via sea freight to the Port of Montreal, with the seller responsible for freight and insurance costs. The goods will be loaded in a standard container, with shockproof securing measures for safe transit. The seller must provide complete shipping documents (including clean B/L, commercial invoice, and insurance certificate) and ensure compliance with Montreal’s winter port operations. The buyer is responsible for customs clearance upon arrival and arranging inland transportation.

06 Applications

Scotech offers single-phase pole-mounted distribution transformers, built primarily for residential overhead distribution. But they do more than that-they also handle industrial lighting, light commercial loads, and other power applications. Each unit is engineered to meet the demands of typical utility distribution systems. Compliance with IEC, ANSI/IEEE, CSA, RUS, NEMA standards ensures reliability and safety.