Send Inquiry

Request To Call Back

Outdoor Current Transformer

Get a Price/Quote

Outdoor Current Transformer Specification

Low Voltage
Secondary 1A or 5A

Rated Voltage
11kV / 22kV / 33kV (customized as required)

Cooling Type
Self-cooled (dry/air insulated)

Coil Material
Copper

High Voltage
Up to 36kV

Operating Temperature
-40C to +55C

Capacity
Up to 2000A

Dimension (L*W*H)
Customized as per rating

Load Loss
7W

Standard
IS 2705 / IEC 60044-1

Product Type
Outdoor Current Transformer

Material
Epoxy Resin, Copper, Porcelain

Output
5A / 1A (as per requirement)

Frequency (MHz)
50/60

Efficiency
99%

Phase
Single Phase

Usage
Outdoor current measurement, protection and metering of high voltage transmission lines

Coil Structure
Toroidal

Coil Number
Single / Multiple

Power Scope
Up to 36kV line voltage

Weight
Approx. 30-50 kg

Secondary Terminal Box
Weatherproof, IP55/IP65

Creepage Distance
>320 mm

Insulation Level
28/75 kV (as per IS/IEC standards)

Color
Brown/Gray (porcelain)

Accuracy Class
0.2/0.5/1/3/5P/10P (as specified)

Mounting Arrangement
Base/cantilever

Environmental Protection
UV resistant, suitable for harsh climates

Service Life
>20 years with proper maintenance

Partial Discharge
<10pC at rated voltage

Installation Type
Outdoor pole or structure mounted

Impulse Withstand Voltage
Up to 170kVp

Maintenance
Minimal, periodic inspection recommended

Outdoor Current Transformer Trade Information

Main Domestic Market
All India

About Outdoor Current Transformer

We have emerged as the leading manufacturer and exporter of a wide assortment of CT Outdoor Type Current Transformer. It is known for negligible maintenance, shock proof, heat resistance and optimum performance. Available in various sizes, this transformer can also be customized as per the requirements of customers. In addition to this, we make available this CT Outdoor Type Current Transformer for our esteemed clients at market leading prices and given time frame.

Product Details

Minimum Order Quantity	1 Unit
Accuracy Class	10,0.2, All class,0.2S /5P10/5P15/5P20/PS,20,0.5,1 or 3
Rated Power (VA)	400 kV
Rated Voltage	400KV
Size	50000MMX900MM
Rated Burden	15VA 30KV 40KV 50KV 100KV

Engineered for Superior Outdoor Performance

This transformer is designed for outdoor installation either on poles or structures, with environmental protections such as UV resistance and a weatherproof, IP55/IP65-rated secondary terminal box. Its brown or gray porcelain components and epoxy resin insulation withstand demanding climates, ensuring long-lasting service even in harsh conditions.

High Precision and Customization

With accuracy classes ranging from 0.2 up to 10P, this transformer caters to reliable current measurement, protection, and metering needs. Customizable output (1A/5A), coil number, and dimensions ensure compatibility with various high voltage (up to 36kV) transmission line specifications. The robust design reduces maintenance without compromising accuracy or safety.

FAQs of Outdoor Current Transformer:

Q: How is the outdoor current transformer installed?

A: The transformer is mounted on outdoor poles or structures using either base or cantilever arrangements. Installation follows guidelines to ensure optimal electrical connection, secure attachment, and adequate creepage distance, accommodating both new and retrofit projects.

Q: What maintenance does the transformer require for optimal operation?

A: Minimal maintenance is required; periodic visual inspection is recommended to check for external contamination, physical damage, or loose connections. Cleaning and functional testing help maintain its long service life (over 20 years).

Q: When should the transformer be used in electrical systems?

A: This current transformer should be utilized for high-voltage transmission line current measurement, protection, and metering at voltage levels of 11kV, 22kV, or 33kV, where outdoor installation and high accuracy are essential.

Q: Where is this transformer most effective?

A: It is suitable for outdoor substations, switching yards, or on transmission/distribution line poles in environments exposed to UV, high humidity, and temperature extremes (-40C to +55C).

Q: What benefits does the weatherproof secondary terminal box offer?

A: The IP55/IP65-rated terminal box shields internal connections from moisture, dust, and other environmental factors, ensuring reliable operation and minimal inspection frequency, even in harsh climates.

Q: How does the transformer support safety and reliability?

A: Built per IS 2705 / IEC 60044-1 standards, the transformer offers high impulse withstand voltage (up to 170kVp), low partial discharge (<10pC), and robust insulation for predictable, safe performance during faults or surges.

Q: What are the advantages of choosing this transformer for metering and protection?

A: High efficiency (99%), multiple accuracy classes, customizable secondary outputs, and minimal load loss (7W) enable precise metering and quick protection response, reducing system downtime and improving operational reliability.

Tell us about your requirement