20 Amp Variable Transformer (Variac) Single Phase Open Style

20 Amp Variable Transformer (Variac) Single Phase Open Style

Open-Style Variac – 20A Variable Transformer (4.8kVA)

The Open-Style Variac – 20A (4.8kVA) is a high-capacity variable transformer designed for integration into customer-built enclosures or equipment panels. Supplied in an open-frame configuration, this unit is ideal for industrial, workshop, and OEM applications requiring accurate and adjustable AC voltage control.

With a 4.8kVA rating and 20A output capacity, this variac provides excellent regulation, high efficiency, and clean output without waveform distortion, ensuring stable and precise performance for demanding controlled power applications.

Key Features

  • 4.8kVA power rating

  • 20A current rating

  • Input voltage: 240V max

  • Output voltage: Variable 0–100% or 0–112% of input

  • Low current density design

  • Excellent voltage regulation

  • High efficiency operation

  • No waveform distortion

  • Low operating torque

  • Smooth and linear output adjustment

Mounting & Installation

This unit is supplied open-style for mounting within your own enclosure or panel system. Appropriate guarding and user protection must be provided during installation and operation to ensure safe use.

Dimensions

  • Weight: 15kg

  • Height: 190mm

  • Width: 250mm

  • Depth: 200mm

  • Fixing Centres: 176mm x 176mm

High-Capacity Voltage Control

Engineered for reliability and precision, this 4.8kVA open-style variac provides smooth, linear output adjustment in a practical format, making it ideal for professional and industrial controlled power applications.

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