Power Switching Controls

Solid state power devices complement the rapid switching required by PID temperature controllers and help deliver optimum system performance and service life.

  • Available in 1-phase and 3-phase/2-leg and 3-leg configurations
  • Zero-cross, random or phase-angle fire options
  • Feature touch-safe terminations

The EZ-ZONE® ST integrated solid state controller from Watlow® offers a complete thermal system control solution in a single package.
Specifications and Ordering

POWER SERIES solid state controllers include single- and three-phase models from 65 to 250 amperes. Field configurable phase-angle or zero-cross firing improves application flexibility on-site where needed.
Specifications and Ordering

The QPAC modular controller from Watlow is a modular silicon controlled recti?er (SCR) power controller with plug-in features for ?exibility. Bases are rated from 150 to 1000 amperes in one-phase, three-phase, two leg and three-phase, three leg configurations.
Specifications and Ordering

The Watlow TLM (thermal limit monitor) series is a compact, cost-effective thermal limit monitor solution for multi-channel, redundant temperature monitoring.
Specifications and Ordering