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250kva Power Distribution Transformer

Name: 250kva Power Distribution Transformer
Brand: POWER MAKE ELECTRICALS
Price: 345000 INR
Availability: InStock

Price 345000 INR/ Unit

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MOQ : 1 Unit

250kva Power Distribution Transformer Specification

Operating Temperature
-10C to +50C

Load Loss
As per industry standards (approx. 2300-3000W at full load)

Standard
IS 2026 / IEC 60076

Rated Voltage
Primary: up to 11 kV, Secondary: 415V/433V

Coil Material
Copper or Aluminum

Cooling Type
Oil-cooled (ONAN) or dry-type

High Voltage
Up to 11 kV

Dimension (L*W*H)
Dependent on configuration, approx. 1.5m*1.1m*1.7m

Voltage Booster Type
Step-down transformer

Capacity
250 kVA

Low Voltage
415V or 433V

Product Type
Electrical Transformer

Material
Copper or aluminum windings, laminated steel core

Output
415V/433V

Frequency (MHz)
50/60 Hz

Efficiency
High efficiency, low loss design

Phase
Three Phase

Usage
Industrial, commercial, residential power distribution

Coil Structure
Layer or disc type winding

Coil Number
Double (Primary and Secondary)

Power Scope
Medium to large load applications

Weight
Varies, typically 900-1500 kg

Paint Finish
Corrosion-resistant epoxy

Lifting Arrangement
Lifting hooks/eyes

Tapping Range
+/- 2.5%, 5%

Enclosure
Sheet metal, ventilated

Terminal Type
Outdoor bushings

Earth Terminal
Provided on body

Noise Level
Low noise operation

Ambient Suitability
Indoor/outdoor use

Thermal Withstand
High thermal stability

Buchholz Relay
Available on request

Vector Group
Dyn11

IP Rating
IP23 or above

Insulation Class
Class A or F

Protection
HT fuse, LV MCB

Core Type
CRGO steel core

Mounting
Floor or pad mounted

Accessory
Oil level indicator

250kva Power Distribution Transformer Trade Information

Minimum Order Quantity
1 Unit

Payment Terms
Cash on Delivery (COD), Cheque, Letter of Credit at Sight (Sight L/C), Telegraphic Transfer (T/T)

Supply Ability
5 Units Per Month

Delivery Time
7 Days

Packaging Details
as per the client requirement

About 250kva Power Distribution Transformer

A 250 kVA power distribution transformer is designed to step down high-voltage electricity to a lower, usable voltage (typically 415V/433V) for medium-sized loads. It is commonly used in industrial plants, commercial complexes,, large offices, hotels, and mining, providing reliable power for machinery, heating, and lighting.

Robust Safety and Protection

Safety is central to the design of this transformer. It incorporates an HT fuse for high-tension circuit protection and a reliable LV MCB for low-voltage side safeguard. The enclosure, crafted from ventilated sheet metal with IP23 or higher rating, supports outdoor usage and resists corrosion through a specialty epoxy finish.

Flexible Installation and Usage

This 250kVA transformer is engineered for versatile installation, offering both floor and pad mounting options. Its robust design and lifting arrangement lend ease to transportation and setup, making it ideal for medium to large load applications in a range of commercial, residential, and industrial sectors.

Efficient and Durable Performance

High-grade copper or aluminum windings, combined with a laminated CRGO steel core, ensure high efficiency and low operational losses. The transformer meets stringent IS and IEC standards and offers dependable, low-noise operation, along with strong thermal withstand capability for longevity in various ambient conditions.

FAQ's of 250kva Power Distribution Transformer:

Q: How is the 250kVA transformer protected against electrical faults?

A: The transformer is equipped with a high-tension (HT) fuse and a low-voltage miniature circuit breaker (MCB) for thorough protection on both incoming and outgoing lines. Additionally, a Buchholz relay can be provided upon request for enhanced fault detection.

Q: What are the installation requirements for this transformer?

A: The transformer can be floor or pad mounted, suitable for both indoor and outdoor environments thanks to its IP23 or higher rating and weather-resistant construction. Lifting hooks/eyes are provided for safe and easy handling during installation.

Q: Where can this 250kVA transformer be used most effectively?

A: It is ideal for industrial, commercial, and residential power distribution, particularly for medium to large load scenarios, providing reliable step-down voltage from up to 11kV primary to 415/433V secondary.

Q: What benefits does the CRGO steel core offer in this transformer?

A: The CRGO (Cold Rolled Grain Oriented) steel core minimizes losses and boosts energy efficiency, contributing to its high performance and low operational noise, which is essential for sensitive environments.

Q: How is tap-changing handled in this transformer?

A: Tap-changing allows for voltage adjustments within a +/- 2.5% or 5% range, helping maintain stable output voltage despite input fluctuations. The process can be done manually, ensuring optimal performance under varying load conditions.

Q: When is an oil level indicator necessary, and what does it do?

A: The oil level indicator is essential for oil-cooled (ONAN) transformers, providing a quick visual check to ensure adequate insulating and cooling oil is present, thereby safeguarding the transformer from overheating.

Q: What standards does this transformer comply with?

A: The transformer is manufactured according to IS 2026 and IEC 60076 standards, ensuring international benchmarks for quality, safety, and performance are met.

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