Isolation Transformers

An isolation transformer separates two circuits physically and electrically. It isolates and protects equipment and people from mains-powered electrical shock. Magnetic coupling is a method of transferring electrical energy from primary to secondary conductors.

Additionally, an isolation transformer prevents the secondary side or load equipment from being grounded, eliminating ground loop interference and noise effects on the load. Isolation transformers guard against voltage spikes, ground loops, and other power line distortions, saving not only costly equipment but also people's lives.

ServoLine Ultra Isolation Transformer employs a unique multiple shielding technique that reduces the interwinding capacitance to a large extent and increases the DC isolation.

Technical Specifications:

Parameters Single Phase UIT Three Phase UIT
Construction Indoor Purpose
Type of Transformer Dry Type, Floor Mounted, Indoor Application
Type Of Cooling Aircooled / Oilcooled (As per requirement)
Type of Connection /

Voltage Ratio
-

1:1 / 2:1 (As per requirement)
Delta / Star

1:1 / 2:1 (As per requirement)
Load Regulation < 3.5% @ 100% Load
Efficiency > 97%
Duty Cycle Continuous
Type of Lamination CRGO
Class of Insulation Class F
Dielectric Strength 2500 V for 1 min
DC Galvanic Isolation > 1000 M Ohms
CMNRR >100 dB
Short Circuit Protection MCB (OR) MCCB at Input (Optional)
Ambient temperature 0 - 50° C
Display Type Analog Voltmeter (Optional)
Front Panel Indications LED Indication -

Output ON
LED Indication -

Output ON R/Y/B Phases
Input / Output Connection Input / Output Terminal Plate (Nut-Bolt arrangement)
Surge Protection Device (SPD) Optional
Standard kVA Ratings 1 kVA to 25 kVA 3 kVA to 600 kVA
Design Standards As per IS: 2026 Part 1 & 11

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