The PQ1 Power Quality Relay detects power quality problems on standard AC power mains. It is a single-phase monitor that can also be used in phase-to phase, phase-to-neutral and multiple units
can be combined for three-phase power applications. The PQ1 costs less than one-tenth as much as traditional power quality monitors. It quickly pays for itself by reducing service calls on
automatic manufacturing systems, semiconductor tools, medical equipment, elevator controls, and other complex systems.
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