Isolation Transformers

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SKU: STR-ISO
Cooling:

Winding Material:

Ambient Temperature (C):

* Input Voltage:

* Output Voltage:

* Phase:

Overview

An isolation transformer transfers energy from the primary to the secondary winding through the magnetic field of the core, with no direct electrical connection between the two circuits. This galvanic separation is the defining feature: the secondary side is decoupled from the primary, so fault currents, harmonics and circulating currents originating downstream do not propagate back into the supply network. DATSAN manufactures oil-immersed isolation transformers from 25 kVA to 5000 kVA for industrial, commercial and infrastructure applications.

Why Galvanic Isolation Matters

Personnel Safety

With no galvanic path to the supply, a single accidental contact on the secondary side does not complete a circuit to earth through the source, significantly reducing electric shock risk.

Equipment Protection

Sensitive electronic loads are shielded from transients and disturbances travelling along the supply, extending equipment life and reducing unplanned downtime.

Network Quality

Harmonic content and circulating currents generated by non-linear loads are largely contained on the secondary side, protecting power quality upstream.

Technical Specifications

Parameter Specification
Rated Power 25 kVA – 5000 kVA
Rated Voltage 24 V – 36 kV (customer specified)
Turns Ratio Typically 1:1; other ratios manufactured on request
Transformer Type Oil-immersed, galvanically isolated windings
Cooling Method ONAN
Frequency 50 / 60 Hz (customer specified)
Number of Phases Single-phase or three-phase
Winding Material Copper or aluminium (customer specified)
Tank Type Hermetically sealed or conservator (design dependent)
Installation Indoor / Outdoor
Applicable Standards IEC 60076, ANSI C57
Testing Routine tests as standard; type and special tests on request

Note: Ratings above define the manufacturing range. Final power, voltage ratio, impedance, vector group and accessory configuration are confirmed at quotation stage and guaranteed in the test report.

Transformer Manufacturer

DATSAN Transformer manufactures oil-immersed distribution and power transformers for industrial, utility, and infrastructure projects worldwide.

Established in 1992, DATSAN combines over 30 years of engineering experience with modern manufacturing and testing capabilities. Our products are designed in accordance with IEC 60076, ANSI C57 and relevant international standards, with Ecodesign-compliant options available upon request.

Contact Us

Datsan Elk. İnş. San. ve Tic. Ltd. Şti.

Address: Kızıltepe Mardin Karayolu 6.km
Kızıltepe, 47400 Mardin / TÜRKİYE

Phone : +90 (482) 215 3188
Fax : +90 (482) 215 1199