Servo Controlled Voltage Stabilizer

Servo Controlled Voltage Stabilizer
Product Description

Technical Specifications

Input Voltage Range  : 300 - 460V / 340 - 480V / 360 - 460V      AC 3 Ph

Output Voltage (3 Ph)  : 415V AC

System    : Unbalanced 4 wire: R Y B N

Connections   :  Star

Operating Frequency  :  47 to 53 Hz

Output Voltage Adjustable  : 380 to 415V AC in 3 Ph

Output Voltage Regulation  : + 1% (No Load)

Output Voltage Regulation  : +  1% (Full Load)

Overload Capacity  : 120%

Correction Rate   : 60 / 30 / 25V per Sec-3 Phase

Waveform Distortion  : Nil

Output Waveform  : True Reproduction of Input

Insulation   : Class F

Short Circuit period & Percentage   :  300% for 250 Milli Sec. 0 0

Normal Operation Temperature : 0 C to 45 C 0

Climate Conditions  : 90% Rh Max. Non Condensing at 35 C

Type of Cooling    : Natural air cooled up to 600 KVA

Mode of system    : Fully Automatic

System Construction  : As per IS : 9815 – 1994

Salient Features

Quick response time 10 milli sec (half a cycle)

Very high efficiency above 98%

Excellent regulation as high as +/- 0.5%

Micro controller” controlled system

Wide input range of operations & high speed of correction

Metering On LCD Display

3ph Input voltage ph to ph and ph to Neutral 

3ph Output voltage ph to ph and ph to Neutral

System Frequency

Output Current on each ph


Single Phasing Prevention

Output Electronic Over Load Protection

Phase Reversal Protection

Input Short Circuit Protection with MCB

Input Over Load  Protection with MCB

Output Low Voltage Protection

Output High Voltage Protection

Audio Alarm for Protections


Mains Input on 3 LED Indications,

3ph output on indication

Phase Reversal  indication

over Load indication

Indications in LCD Display

Input High and Input low

Output on indication

Output high Cutoff and Output Low Cutoff

Programmable Parameters

Output voltage set ( 210-245V)

Output Low Voltage Cutoff

Output High Voltage Cutoff

Input Low on LCD Display

Input High on LCD Display

Sensitivity / Regulation

Over Load Cutoff

CT full scale
Contact Us

Plot No: 118A, Journalist Colony, Road Number 70, Jubilee Hills, Hyderabad, Telangana, 500033, India
Phone :91-40-23339999