Frequent fluctuations or variations of power not only causes financial but manpower loss too! SENTRI SERVO CONTROLLED VOLTAGE STABILIZERS beast these happenings and provides all extra care needed to your valuable equipments.

 

Single Phase

SPECIFICATION :

  • Rating : As Specified
  • Input Voltage Range : As Specified (Eg. 170V-270 V)
  • Input Supply Frequency : 45Hz-55Hz
  • Output Voltage: As specified (Eg. 230V/240V + 1%)
  • Voltage Regulation : + 1%
  • Rate of Correction: Usually 25V/ SEC/Phase but depends on rating
  • Efficiency: Better than 97 %
  • Waveform Distortion : Nil
  • Effect of Load Power Factor : Nil
  • Amibient Tempreture : 0-50°C Max.
  • Type : 1 Phase
 

FEATURES :

  • Output voltage sensing for voltage correction & for U/V & O/V trip
  • Overvoltage & undervoltage trip by means of contractor / relay's
  • Voltmeter with selector switch to see input & output voltages
  • Short circuit & overload protection by means of MCB/ FUSE MCCB
  • Adjustment : Output voltages adjustment of + 5V/ Phase will be provided by means of potentio meter on front plate.
  • Controls: Auto/Manual incase of auto mode failure you can set output voltage through manual mode.

FEATURES :

  • By pass facilities
  • RFI Filter & Spike suppressor
  • Generator compatible circuit
  • Time delay circuit : output power on with specified time delay
  • Isolation transformer / Ultra isolation transformer at output
  • Ammeter: To see load current's
  • Digital voltmeter & digital ammeter

1Ø SCVS (Both Air Cooled & Oil Cooled) Models Available
From 500VA 1 Ø to 50 kVA 1Ø

APPROXIMATE DIMENSIONS OF 1Ø STABILIZERS

 
CAPACITY
WIDTH (MM)
DEPTH (MM)
HIGHT (MM)
1
2 kVA
200
300
200
2
3 kVA
200
300
310
3
5 kVA
250
450
350
4
7.5 kVA
500
425
425
5
10 kVA
550
425
425
6
15 kVA
650
525
475
7
20 kVA
550
425
650
8
25 kVA
750
550
550
9
30 kVA
750
550
550
10
40 kVA
800
600
600
11
50 kVA
750
600
800

INDICATIONS MAINS ON OUTPUT ON OVER VOLTAGE UNDER VOLTAGE TRIP OVER LOAD SINGLE PHASING.
ALL THE DIMENSIONS ARE GIVEN FOR AIR COOLED, WITH I/P RANGE OF 170V TO 270V

Three Phase

SPECIFICATION :

  • Rating : As Specified
  • Input Voltage Range : As Specified (Eg. 300V To 470 V; 4Wire, 50Hz, Unbalance)
  • Input Supply Frequency : 45Hz To 55Hz
  • Output Voltage: As specified (Eg. 400V/415V + 1%, 4 Wire, 50 Hz, Balance)
  • Voltage Regulation : + 1%
  • Rate of Correction: Usually 25V/ SEC/Phase but depends on rating
  • Efficiency: Better than 97 %
  • Waveform Distortion : Nil
  • Effect of Load Power Factor : Nil
  • Amibient Tempreture : 0-50°C Max.
  • Type : 3 Phase

FEATURES :

  • Output voltage sensing for voltage correction & for U/V & O/V trip
  • Overvoltage & undervoltage trip by means of contractor / relay's
  • Voltmeter with selector switch to see input & output voltages
  • Short circuit & overload protection by means of MCB/ MCCB / SFU
  • Adjustment : Output voltages adjustment of + 5V Per Phase will be provided by means of potentio meter on front plate.
  • Controls: Auto/Manual incase of auto mode failure you can set output voltage through manual mode.
  • Built in single phase preventer.

OPTIONAL FEATURES :

  • By pass facilities
  • RFI Filter & Spike suppressor
  • Generator compatible circuit
  • Time delay circuit : output power on with specified time delay
  • Isolation transformer / Ultra isolation transformer at output
  • Ammeter: To see load current's
  • Digital voltmeter & digital ammeter

3 Ø SCVS (Both Air Cooled & Oil Cooled)
Models Available From 3kVA 3 Ø To 1000 kVA 3
Ø
APPROXIMATE DIMENSIONS OF 3 Ø STABILIZERS

 
CAPACITY
WIDTH (MM)
DEPTH (MM)
HIGHT (MM)
1
5 kVA
650
350
350
2
10 kVA
550
400
650
3
15 kVA
650
400
675
4
20 kVA
750
425
750
5
25 kVA
750
425
750
6
30 kVA
850
450
850
7
50 kVA
1200
550
1200
8
75 kVA
1350
675
1400
9
100 kVA
1350
675
1500
10
150 kVA
1500
720
1800
11
200 kVA
1500
720
1800
12
250 kVA
1600
800
2000
13
300 kVA
1600
800
2000
14
400 kVA
1800
900
2000
15
500 kVA
1800
900
2000

INDICATIONS MAINS ON OUTPUT ON OVER VOLTAGE UNDER VOLTAGE TRIP OVER LOAD SINGLE PHASING.
ALL THE DIMENSIONS ARE GIVEN FOR AIR COOLED, WITH I/P RANGE OF 170V TO 270V

APPLICATION:

  • COMPUTER SYSTEMS
  • COMMUNICATION EQUIPMENT
  • ELECTRO MEDICAL AND
  • LABORATORY INSTRUMENTS
  • CNC MACHINES
  • AIR CONDITIONING SYSTEMS
  • PAPER COPIES AND OFFICE
  • AUTOMATION PRODUCTS
  • RADARS AND OTHER EQUIPMENTS
  • LIFTS AND ELEVATORS
  • CATHLAB
  • MOTORS AND COMPRESSORS
  • OPRATION THEATERS
  • TEXTILE MACHINES
  • PACKAGING MACHINES
  • GARMENT INDUSTRIES
  • BANKING TERMINALS
  • CHEMICAL AND R&D LABORATORIES
  • DEFENCE AND NUCLEAR FACILITIES
  • MACHINES TOOLS AND ROBOTICS

    WE ARE SPECIALIST IN:
    1. SCVS Available for any input range and any output voltage in air cooled version up to 2000 kVA.
    2. Also available the SCVS for 3 Ø /3 wire in & 3 Ø 4 wire out (this helps to adopt SCVS at locations where good neutral not available or neutral related problems in systems).
    3. Also models available with three phase / 3 wire input and single phase output (isolated or unisolated both).
  • Out door application models available in air cooled / oil cooled version (IP 43/ IP 54 construction)

For Each & Every Stabiliser Get Tested Throughly in our Equipped Qc Dept For I/p Variation Range, O/p Voltage Setting, Trip Level setting, overload Setting, & Full Load Test for 30 Minutes.

Our other range of products