Loading... Please wait...

Our Newsletter


  • PR3-E-500kW
01704 516500
14.00 KGS

Product Description

The PR3-E-500kW thyristor stack provides full seamless control of three phase resistive loads, using two thirds control technique. Signal control is by a DC signal. This burst firing control stack uses fast pulse zero volts switching technology, to minimise flicker and eliminate RFI problems. It also incorporate an automatic resetting temperature trip, integral semiconductor fuses and heatsink. This model has easy access to signal & power terminals for simple installation.


Suitable for 3-wire, 3-phase floating-star or closed-delta configured resistive loads. This includes the Heating, Ventilating and Air Conditioning (HVAC) market for air curtain applications, but also for furnaces, ovens, dryers and hot plates.


logo-pdf.gifClick here to download specification sheet X10774




Write your own product review

Product Reviews

This product hasn't received any reviews yet. Be the first to review this product!

Contact United Automation

Currency Converter

Choose a currency below to display product prices in the selected currency.

United Kingdom GBP
European Union EUR
United States USD

Related Products

You Recently Viewed...


Feedback Cookies in Use