Buck-Boost Transformers

Stabilize input voltage by 5–25% in UPS, lighting, and control systems

Buck-Boost Transformer Product Photo
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Buck-Boost Transformers for Voltage Correction

A buck-boost transformer is a compact transformer used for small voltage correction by either stepping down (buck) or stepping up (boost) the supply voltage through a series-connected winding. It is typically used where full voltage stabilisation or electrical isolation is not required, but precise correction of under- or over-voltage conditions is necessary.

Buck-boost transformers are commonly applied to correct voltage variations in the range of ±5% to ±25% and are widely used in UPS systems, lighting installations, HVAC equipment, industrial control panels, and power distribution units where space, efficiency, and cost are key considerations.

As one of the established buck boost transformer manufacturers in India, Rishab Industries designs and manufactures custom buck-boost transformers supporting power ratings up to 100 kVA, suitable for single-phase and three-phase systems operating at 50 Hz and 60 Hz. Built using CRGO or CRNGO cores with copper or aluminium strip windings, these transformers are available in open-frame or cubicle-enclosed configurations and are manufactured at our ISO 9001-certified facility in Pune, complying with CE & RoHS requirements.

Why Choose Rishab Industries?

Rishab Industries is a preferred Indian manufacturer of precision transformers for power correction and conditioning applications. Our Buck-Boost Transformers are engineered for high performance under fluctuating voltages and are used across India and 20+ global markets.
  • Over 30 Years in Magnetic Design
  • CE, RoHS Certified for Export Markets
  • ISO 9001-Certified Facility in Pune
  • Tailored Voltage Levels for Site-Specific Conditions
  • Copper or Aluminum Based on Performance-Budget Ratio
  • Available as Open Frame or Enclosed Cubicles

Key Highlights:

  • Designed to Slightly Boost or Buck Input Voltage
  • Improves Equipment Efficiency & Performance
  • Prevents Overheating and Premature Equipment Failure
  • Compact & Lightweight Design
  • Ideal for UPS, HVAC, and LED Applications
  • Pre-Wired, Factory-Tested Units
  • Available in Copper or Aluminum Windings
  • Optional Cubicle with CRCA Sheet Metal Enclosure
  • Built to CE, RoHS, and Customer Specifications

Technical Specifications:

Parameter Specification
Input & Output Voltage As per customer specification
Power Rating Up to 100 kVA
Phase Configuration Single Phase / Three Phase
Frequency 50 Hz / 60 Hz
Cooling Type Dry Type / Air Natural Cooling
Insulation Class Class H / R
Conductor Strips/Foils of Copper/Aluminum
Core Type CRGO / CRNGO
Certification CE, RoHS Compliant

Applications:

Buck-boost transformers are used in applications where equipment performance is affected by consistent under-voltage or over-voltage conditions and only minor voltage correction is required. They are preferred in systems where space constraints, energy efficiency, and cost control are critical, and where full voltage stabilisation or electrical isolation is unnecessary. By correcting voltage at the point of use, buck-boost transformers help protect equipment, improve operational stability, and reduce thermal stress on electrical components.
  • UPS & Inverter Input Voltage Correction
  • HVAC Equipment Start-up Protection
  • LED Lighting & Display Systems
  • CNC & Robotics Panels
  • Retail & Commercial Office Panels
  • Low Voltage Power Distribution Units (PDUs)
  • Rural or Fluctuation-Prone Installations

Frequently Asked Questions (FAQs)

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What does a Buck-Boost Transformer do?

A buck-boost transformer corrects small voltage variations by either stepping down (buck) or stepping up (boost) the supply voltage. It is used to stabilise under-voltage or over-voltage conditions where full voltage regulation or electrical isolation is not required.
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How does a Buck-Boost Transformer work?

A buck-boost transformer uses a series-connected winding to add to or subtract from the incoming voltage. Depending on the wiring configuration, the transformer either boosts or bucks the supply voltage to achieve the required correction level.

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Where should Buck-Boost Transformers be used?

Buck-boost transformers are commonly used in UPS systems, HVAC equipment, LED lighting systems, industrial control panels, CNC machines, and low-voltage power distribution units where minor voltage correction is required.

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What voltage correction range do Buck-Boost Transformers typically cover?

Buck-boost transformers are generally used to correct voltage variations in the range of approximately ±5% to ±25%, making them suitable for applications with consistent but limited voltage deviation.

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Are Buck-Boost Transformers suitable for single-phase and three-phase systems?

Yes. Buck-boost transformers can be designed for both single-phase and three-phase systems, depending on the application and site-specific voltage requirements.

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Do Buck-Boost Transformers provide electrical isolation?

No. Buck-boost transformers do not provide galvanic isolation between input and output. They are intended for voltage correction applications where isolation is not a requirement.

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Can Buck-Boost Transformers be supplied in cubicle-enclosed form?

Yes. Buck-boost transformers can be supplied as open-frame units or housed in cubicle-enclosed configurations, depending on installation, safety, and environmental requirements.

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Do you offer both copper and aluminium windings?

Yes. Buck-boost transformers can be manufactured using copper or aluminium windings, selected based on performance requirements, space constraints, and cost considerations.

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Who manufactures Buck-Boost Transformers in India?

Rishab Industries is among the established buck boost transformer manufacturers in India, designing and manufacturing transformers for voltage correction applications from its ISO 9001-certified facility in Pune.