Our SCR Power Controllers (also called SCR power regulators) provide precise, reliable, and efficient control for industrial heating systems. This guide helps you select the proper module for loads from 16kW to 1000kW.

For loads below 16kW, browse our Single-Phase SCR Voltage Regulator Modules or Three-Phase SCR Voltage Regulator Modules.

Quick Selection Steps

1. Enter your load voltage (V) and current (A).
2. Load Power (kW) = 1.732 × Voltage × Current ÷ 1000 (three-phase)
3. Recommended SCR Power = Load Power × 1.3
4. Rated Current (A) = Recommended SCR Power × 1000 ÷ (1.732 × Voltage)
5. Select SCR Module series from the table below.

SCR Power Controllers Selection Table (16kW – 1000kW) for Industrial Heating

Common Selection Questions

Q: How to select the correct SCR power regulator? A: Confirm voltage, load current, and load type. Use 1.3× safety margin to choose the proper module.

Q: What if the load power doesn't match any table series? A: Make sure you enter correct voltage and current. Round up the recommended SCR power to the next series in the table.

Q: What if my voltage is not listed in the table? A: Contact our technical support to confirm compatibility or custom configuration.

Q: Can SCR regulators control inductive loads? A: These controllers are designed for resistive loads only, such as industrial heaters and furnaces. Do not use with inductive or motor loads.

Installation & Safety Notes

Q: What to do if load increases suddenly or heater short-circuits? A: Ensure SCR module has a proper safety margin (1.3×). Consider installing fuses or protection devices.

Q: How to handle three-phase voltage unbalance? A: Use a proper 3-phase supply. Significant unbalance may reduce SCR lifespan or affect control accuracy.

Q: What should I do if the SCR module is overheating? A: Confirm cooling conditions (air or water) and ensure the module is mounted according to guidelines.

Which SCR Power Controller Do You Need?