The Watlow QPAC Series SCR Power Controller is a modular Silicon Controlled Rectifier (SCR) power controller with plug-in
features for flexibility. Bases are rated from 150 to 1000 amperes in one-phase, three-phase, two leg and three-phase,
three leg.
A variety of transformers from 120 to 575VAC along with 50/60Hz operation enable the QPAC to operate in applications anywhere.
Plug-in control cards set the QPAC's SCR firing modes; solid state contactor, burst firing (zero cross) or phase-angle models
are available with a wide variety of options. This power controller includes 200KA short circuit current rating (SCCR) and high
speed fuses to minimize damage in the event of a short circuit.
Applications for hte QPAC Series include:
- Furnace and ovens
- Petrochemical
- Heat treating
- Duct heating
- Environmental chambers
- Kilns
