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Servo Control Voltage Stabilizers


A servo controlled voltage stabilizer (SCVS) is a regulator designed with microcontroller to automatically maintain constant voltage level. In most industries, a minor fluctuation in voltage can cause the connected equipment to malfunction or breakdown. The basic use of SCVS is to control fluctuation and to provide a constant output Voltage with +/- 1% accuracy. SCVS is supplied in following types according to its input and output Supply as: 3Phase to 3Phase, 3Phase to 1Phase, 1Phase to 1Phase

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3Phase to 3Phase SCVS

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3Phase to 1Phase SCVS

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1Phase to 1Phase SCVS

3Phase to 3Phase SCVS


These SCVS have 3Phase input supply with 3 / 4 Wire Configuration and provides 3 Phase Constant Voltage Output with 4 Wire Configuration.

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3Phase to 3Phase SCVS

Technical Details:


  • I/O Phase: 3Ph to 3Ph
  • Power Range: 3KVA to 300KVA
  • I/P Supply Range: 340V-480V L-L / As Customer’s requirement
  • O/P Supply Range: 415V/400V L-L / As Customer’s requirement
  • Frequency: 50Hz/ 60Hz
  • Trip Protection: Over Voltage, Under Voltage, Over Load, Over Temperature
  • Indications: Input Supply, I/P ON, O/P ON, OV/UV/OL/OT/ Trip
  • Isolation Transformer Details
  • Insulation Class: Class H/ Class F
  • Cooing Type: Dry Type/Air Cooled / Air Natural / Air Forced
  • Conductor: Strips/Wires of Copper or Aluminum as per customer’s requirement
  • Core: CRGO or CRNGO type
  • Cubicle Size: Standard Designs available or As per Customer’s Requirement
  • Cubicle Material: CRCA
  • Ingress Protection: IP20/ IP40/ IP41/ IP52/ IP55 or as Per Customer’s Requirement
  • Powder Coating type: Structure/ Matte- Finished/ Glossy
  • Powder Coating Color: RAL 7035/ 7032/ 7021/ 9005/ IS5:631, as per Customer’s requirement

Application Areas:


Infrastructure, UPS, Invertors, Telecom, Solar Invertors, Laboratories, Health Care, Data Centers

Key Highlights:


  • Microcontroller Based Fully Digital
  • Customized Compact Designs of Cubicles
  • Cost effective prices
  • Isolation with Excellent mechanical and short-circuit strength due to the VPI Process
  • Isolated Local Ground Bonded Neutral
  • Better Correction Rate better than 18 V/sec.
  • Cooling: Natural Air / Oil.
  • Under / Over Voltage & Overload Protection through microcontroller.
  • Overload & short – circuit protection through Input Breakers
  • More than 95% efficiency.
  • Input EMI / RFI Filter
  • More added features, as customer’s requirement.

These types of transformers are also available without cubicle.

3Phase to 1Phase SCVS


These SCVS have 3Phase input supply with 3 / 4 Wire Configuration and provides 1 Phase Constant voltage Output with 2 Wire Configuration.

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3Phase to 3Phase SCVS

Technical Details:


  • I/O Phase: 3Ph to 1Ph
  • Power Range: 1KVA to 100KVA
  • I/P Supply Range: 340V-480V L-L / As Customer’s requirement
  • O/P Supply Range: 110V/220V/230V/240V L-N / As Customer’s requirement
  • Frequency: 50Hz/ 60Hz
  • Trip Protection: Over Voltage, Under Voltage, Over Load, Over Temperature
  • Indications: Input Supply, I/P ON, O/P ON, OV/UV/OL/OT/ Trip
  • Isolation Transformer Details
  • Insulation Class: Class H/ Class F
  • Cooing Type: Dry Type/Air Cooled / Air Natural / Air Forced
  • Conductor: Strips/Wires of Copper or Aluminum as per customer’s requirement
  • Core: CRGO or CRNGO type
  • Cubicle Size: Standard Designs available or As per Customer’s Requirement
  • Cubicle Material: CRCA
  • Ingress Protection: IP20/ IP40/ IP41/ IP52/ IP55 or as Per Customer’s Requirement
  • Powder Coating type: Structure/ Matte- Finished/ Glossy
  • Powder Coating Color: RAL 7035/ 7032/ 7021/ 9005/ IS5:631, as per Customer’s requirement

Application Areas:


Infrastructure, UPS, Invertors, Telecom, Solar Invertors, Laboratories, Health Care, Data Centers

Key Highlights:


  • Microcontroller Based Fully Digital
  • Customized Compact Designs of Cubicles
  • Cost effective prices
  • Isolation with Excellent mechanical and short-circuit strength due to the VPI Process
  • Isolated Local Ground Bonded Neutral
  • Better Correction Rate better than 18 V/sec.
  • Cooling: Natural Air / Oil.
  • Under / Over Voltage & Overload Protection through microcontroller.
  • Overload & short – circuit protection through Input Breakers
  • More than 95% efficiency.
  • Input EMI / RFI Filter
  • More added features, as customer’s requirement.

1Phase to 1Phase SCVS


These SCVS have 3Phase input supply with 3 / 4 Wire Configuration and provides 1 Phase Constant voltage Output with 2 Wire Configuration.

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1Phase to 1Phase SCVS

Technical Details:


  • I/O Phase: 1Ph to 1Ph
  • Power Range: 1KVA to 100KVA
  • I/P Supply Range: 110V/220V/230V/240V L-N / As Customer’s requirement
  • O/P Supply Range: 110V/220V/230V/240V L-N / As Customer’s requirement
  • Frequency: 50Hz/ 60Hz
  • Trip Protection: Over Voltage, Under Voltage, Over Load, Over Temperature
  • Indications: Input Supply, I/P ON, O/P ON, OV/UV/OL/OT/ Trip
  • Isolation Transformer Details
  • Insulation Class: Class H/ Class F
  • Cooing Type: Dry Type/Air Cooled / Air Natural / Air Forced
  • Conductor: Strips/Wires of Copper or Aluminum as per customer’s requirement
  • Core: CRGO or CRNGO type
  • Cubicle Size: Standard Designs available or As Per Customer’s Requirement
  • Cubicle Material: CRCA
  • Ingress Protection: IP20/ IP40/ IP41/ IP52/ IP55 or as Per Customer’s Requirement
  • Powder Coating type: Structure/ Matte- Finished/ Glossy
  • Powder Coating Color: RAL 7035/ 7032/ 7021/ 9005/ IS5:631, as per Customer’s requirement

Application Areas:


Infrastructure, UPS, Invertors, Telecom, Solar Invertors, Laboratories, Health Care, Data Centers

Key Highlights:


  • Microcontroller Based Fully Digital
  • Customized Compact Designs of Cubicles
  • Cost effective prices
  • Isolation with Excellent mechanical and short-circuit strength due to the VPI Process
  • Isolated Local Ground Bonded Neutral
  • Better Correction Rate better than 18 V/sec.
  • Cooling: Natural Air / Oil.
  • Under / Over Voltage & Overload Protection through microcontroller.
  • verload & short – circuit protection through Input Breakers
  • More than 95% efficiency.
  • Input EMI / RFI Filter
  • More added features, as customer’s requirement.

These types of transformers are also available without cubicle.

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Rishab Industries was established in 2002 as a design & manufacturing house for Magnetic Wound Components in Pune. In our journey of 15 Years, Rishab Industries has emerged as a leading channel partner for designing & manufacturing of specific made to order wound components for top two manufacturers of UPS in India.

Our Vision is to achieve Pole position in the Field of Magnetic wound Components, Servo Controlled Voltage Stabilizers, Power, Control, Protection, Under-Slung Panels, Switch Board Cabinets, Battery Chargers for Leading UPS, Solar Inverter manufacturers & Infrastructure space viz.

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