The Open-Style Three-Phase Variac – 20A (16.3kVA) 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 three-phase voltage control.
With a 16.3kVA rating and 20A output capacity, this three-phase variac delivers excellent regulation, high efficiency, and clean output without waveform distortion, ensuring stable and precise performance for demanding controlled power applications.
16.3kVA power rating
20A current rating
Three-phase operation
Input voltage: 415V 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
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.
Weight: 49kg
Height: 465mm
Width: 220mm
Depth: 250mm
Fixing Centres: 176mm x 176mm
Engineered for reliability and precision, this open-style three-phase variac provides smooth, linear output adjustment in a compact format for large industrial and OEM applications where accurate voltage control is critical.