25kVA 120/240V Pole Mounted Current Transformer

25kVA 120/240V Pole Mounted Current Transformer

‌Product Name‌: 25kVA 120/240V Pole Mounted Current Transformer
‌Capacity‌: 25kVA
Input voltage: 120V
Output voltage: 240V
‌Delivery Year‌: 2020
‌Country‌: United States
‌Key Advantages‌:
‌Pole-Mounted Design Optimization‌: Specifically engineered as a ‌Pole Mount Transformer‌, its compact structure allows direct installation on utility poles, saving ground space.
‌High-Reliability Copper Windings‌: Strict adherence to copper winding specifications ensures conductive efficiency and long-term stability, compliant with 30 kV BIL secondary winding standards.
‌Environmental Adaptability‌: Combines mineral oil insulation with a low-carbon steel tank, resisting extreme temperatures and humidity while meeting 60Hz grid frequency requirements in North America.
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Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of 25kva 120/240v pole mounted current transformer in China. With abundant experience, we warmly welcome you to wholesale high quality 25kva 120/240v pole mounted current transformer at low price from our factory. Contact us for more cheap products.

 

 

Product Description of Pole Mounted Current Transformer

 

 

 

The 25kVA 240V Pole Mounted Current Transformer is a ‌pole-type transformer‌ optimized for power distribution systems, ideal for urban, rural, and industrial applications. This ‌Pole Mount Transformer‌ features copper windings, paired with a 12,470V Delta primary winding and 30 kV BIL secondary winding, ensuring efficient energy transfer and voltage stability. Its design integrates ±2.5% taps, 15kV high-voltage bushings, and four-hole spade terminals for flexible connectivity. As a benchmark ‌pole-mounted current transformer‌, its low-carbon steel tank, mineral oil insulation, and ONAN cooling system maintain temperature rise below 65°C, guaranteeing 24/7 reliability. Standard safety components include a liquid level gauge, pressure-vacuum gauge, and pressure relief valve, meeting stringent industry standards.

product-651-471

 

 

 

Core Advantages Of Pole Mounted  Transformer

 

(1)Professional Pole-Mounted Design
As a ‌Pole Mounted Current Transformer‌, its compact structure is tailored for utility pole installations, minimizing land use. Dual protection via Xuede valves and pressure relief valves ensures impact resistance and explosion-proof performance in outdoor environments.

(2)High-Performance Materials & Craftsmanship
Compliant with copper winding standards, the 95 kV BIL primary winding and aluminum/aluminum conductors enhance conductivity while reducing energy loss. Four-hole spade terminals (expandable to six-hole for 750kVA models) support versatile cabling for diverse grid configurations.

(3)Smart Safety & Monitoring
Equipped with a dial thermometer, liquid level gauge, and pressure-vacuum gauge, it enables real-time operational monitoring. Mineral oil insulation and KNAN cooling (for ≤150kVA units) stabilize temperature rise at 65°C, extending service life.

(4)Standardization & Compatibility
Aligned with 60Hz grid requirements, its Barksdale brown coating (Federal FS 20117) with black polymer primer resists corrosion. As a leading ‌pole-type transformer‌, its design fully complies with North American power regulations, enabling rapid deployment and maintenance.

 

product-656-330

 

 

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Products parameter

 

Rated Power (KVA) High Voltage (KV) Low Voltage (V) Dimension(mm) Weight(KG)
W D H Oil Weight Total Weight
5KVA 24.94/14.4kV 120/240V 465 485 855 15 92
10KVA 12.47/7.2kV 480Y/ 500 525 885 22 150
15KVA 34.5KV/ 277V 520 565 905 30 210
25KVA 19.92KV/ 600Y/ 560 590 935 45 258
37.5KVA 13.8KV/ 347V 610 625 935 50 340
50KVA 13.2KV/   635 675 1035 62 395
75KVA or others   745 840 1035 88 480
100KVA     770 965 1035 94 530
167KVA     795 890 1035 138 680
250KVA     988 1001 1035 150 780
333KVA     1012 1015 1035 172 850

 

 

Manufacturing Process 

(1)Precision Winding
High-purity copper coils undergo vacuum drying and varnish immersion to ensure interlayer insulation, meeting 95 kV BIL primary winding voltage endurance.

(2)Assembly & Testing
The low-carbon steel tank is welded and coated with anti-corrosion primer and Barksdale brown finish. High-voltage bushings (6×15kV Wells & Inserts) and low-voltage spade terminals are installed, followed by Xuede valve calibration for airtightness.

(3)Insulation & Cooling Integration
Mineral oil insulation (FR3 optional for ≤150kVA units) and ONAN cooling are integrated, with rigorous 65°C temperature rise testing to validate heat dissipation.

(4)Quality Assurance
Each ‌Pole Mount Transformer‌ undergoes partial discharge tests, tap adjustment verification, and 72-hour load trials to ensure compliance with IEEE C57.12.00 standards.

 

 

Product drawings

 

product-828-534

 

 

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Why choose us?

 

GNEE strictly follows the comprehensive acceptance testing process to ensure that the performance of each device meets the standards. Our products and services have been successfully applied in more than 50 countries and regions around the world. As a trusted global industrial partner, we are always committed to helping customers achieve their sustainable development vision through high-quality products and full-process services.

 

Support
• Pre-sales: Free technical consulting, drawing review, and installation training.
• After-sales:
o Global warranty for 2 years; 5-year warranty on core components.
o 7×24-hour remote support, fault response within <24 hours.
o Operation manual provided.

 

product-1227-261

 

SGS certification certificate

product-1200-800

 

Packing and Delivery

product-1033-315

 

FAQ
 

Q1: How to Choose Between Oil-Immersed, Dry-Type, or Amorphous Alloy Transformers Based on Needs?

A:Oil-immersed transformers (e.g., 30-2500 kVA/10 kV Oil-Immersed Three-Phase Dual-Winding):
Applicable scenarios: Large factories, substations, outdoor high-voltage power distribution.
Advantages: Excellent heat dissipation for high loads and high-temperature environments, but requires fire prevention and oil leakage precautions.
Dry-type transformers (e.g., Epoxy resin-cast type, Dry-Type Dual-Winding):
Applicable scenarios: Indoor installations (e.g., data centers, commercial buildings), environments with strict fire safety requirements.
Advantages: No insulation oil, pollution-free, low noise, but requires ventilation for heat dissipation.
Amorphous alloy transformers (e.g., Amorphous Alloy Dry-Type):
Applicable scenarios: Grid-end applications, rural power supply, energy-efficient systems.
Advantages: Reduces no-load loss by over 70%, higher efficiency than traditional transformers, ideal for long-term low-load operations.

Q2: Which Equipment is Suitable for Rectifier Transformers (30-3200 kVA Rectifier Type)?

A: Designed specifically for rectifier equipment, such as:
Electroplating lines, electrolytic cells.
Aluminum/copper electrolysis production.
DC motor drive systems.
Features: Three-phase input, adjustable DC voltage output. Note: Harmonic loads may impact transformer performance.

Q3: What are the Differences Between Prefabricated Substations (European Style) and Combined Transformers (Combined Type)?

A:Prefabricated Substations:
High integration: Includes transformers, low-voltage cabinets, and protection devices pre-installed in weatherproof/fire-resistant enclosures.
Applicable scenarios: Rapidly deployable outdoor power systems (e.g., temporary construction sites, remote areas).
Combined Transformers:
Functional integration: Typically combines transformers, metering devices, and protection equipment to simplify power distribution.
Applicable scenarios: Power distribution hubs for small/medium factories or commercial complexes.

Q4: What is the Voltage Adjustment Method for 30-2500 kVA Dual-Winding Non-Adjustable Voltage Transformers?

A:Non-adjustable type: Fixed output voltage set at factory (e.g., 10 kV input → 400 V output); no on-site adjustment.
Applicable scenarios: Stable voltage environments with minimal load fluctuations (e.g., fixed production lines).
For voltage adjustment, choose on-load tap-changing transformers (customizable).

Q5: What are the Temperature Resistance and Lifespan of Epoxy Resin-Cast Dry-Type Transformers?

A:Temperature resistance: Class F (155°C) or Class H (180°C), with overload capacity up to 1.5× rated power.
Lifespan: Over 20 years under normal operation, but requires regular inspections of winding insulation and cooling systems.

 

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