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Voltage Stabilisers, 3 Phase
Voltage Stabilisers, 3 Phase
Unitech Transformers offers three phase Servo Controlled Voltage Stabilisers. Optional accessories: MCCB on input side, over/under voltage cut off through contactor on output side, digital meeting on request, single phase preventer, surge supply, RFI.
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- Textile machineries
- Printing industry
- Pharmaceutical industry
- CNC machines
- Hospitals
- Film industry
- Food processing industry
- Resorts/hostels/farm house
- Engineering plants
- Automobile industry
- IT industry, etc
- Input voltage ranges – 360-460 V/310-470 V/any other range on request
- Output voltage – 380 V/415 V/440 V ± 1% 3 phase AC
- Capacity – 5 kVA-2000 kVA
- Construction – indoor/output type floor mounting
- Supply – unbalanced/balanced
- Connections – 3 phase, 4-wire/3-phase, 3-wire
- Frequency – 47-63 MHz
- Output voltage setting – ±5% of nominal
- Voltage regulation – ±1% of set value
- Overload capacity – 20% for 2 hrs
- Speed of correction – up to 60 V/sec
- Insulation – class “Bâ€
- Operating temperature – 0ºC to 50ºC
- Humidity – up to 95% Rh
- Type of cooling – air natural/oil cooled
- Installation – indoor
- Insulation resistance – not less than 5 M ohms at 500 V DC; and
- Standard – as per IS: 9815-1994
- No waveform distortion
- Continuous duty cycle
- Rugged construction
- Auto/manual operation
- No load losses are very less
- Voltmeter with I/P, O/P selector switch
- Built-in ammeter above 25 kVA
- Highly reliable control circuit using industrial/military grade components
- Class `B’ insulation
- High reliability, high efficiency (above 98%)
- Long trouble free service life; and
- Instantaneous quick response
3 Phase Voltage Stabilisers
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