Current Transformers

Alliance Engineering Company

Alliance Engineering Current Transformers are designed for accurate current measurement, metering, and protection in LT and HT electrical systems. Available in ratios up to 2500/5A with Class 0.5 and Class 1.0 accuracy and burden ratings up to 30VA. Suitable for panel boards, switchgear, substations, DG panels, APFC panels, and energy monitoring systems. Manufactured under ISO 9001:2015 standards and compliant with IS 2705 and IEC 61869-2.

Key Technical Advantages

Current Ratio

Up to 2500/5A

Accuracy Class

Class 0.5 / 1.0

Burden

Up to 30VA

Frequency

50Hz

Insulation

1kV / 3kV

Certification

ISO 9001:2015

Technical Specifications

Validated industrial performance metrics for enterprise deployment.

Engineering Data Sheet IS 2705 / IEC 61869-2

Parameter	Specification
Standard	IS 2705 / IEC 61869-2
Rated Primary Current	5A to 2500A
Rated Secondary Current	5A
Accuracy Class	Class 0.5 / Class 1.0
Burden	2.5VA / 5VA / 10VA / 15VA / 30VA
System Frequency	50Hz
Rated Insulation Level	0.72/3kV
Short Time Current	Up to 25kA for 1 second
Dynamic Current	2.5 × Ith
Core Material	CRGO Steel
Housing Material	Epoxy Resin / Bakelite
Mounting Type	Busbar / Cable / Base Mount
Operating Temperature	-10°C to +55°C
Humidity	Up to 95% RH non-condensing
Application	Metering and Protection

Standards & Compliance

Certified engineering excellence across regional and global regulatory frameworks.

IS 2705

Adherence to Indian standards for current transformer specifications.

IEC 61869-2

International Electrotechnical Commission standards for instrument transformers.

IEC 60044-1

Instrument transformers standard for current transformers.

CE

Conformity with health, safety, and environmental protection standards for the EEA.

RoHS

Compliance with Restriction of Hazardous Substances for environmental safety.

ISO 9001:2015

Certified Quality Management Systems for precision manufacturing.

Precision Configurations

Industrial Customizations

Our modular engineering workflow allows for specific adaptations to meet your site-specific infrastructure requirements. Consult with our technical team for bespoke builds.