The APT-TH series power transducers from NK Technologies monitor Watt consumption of three-phase loads, and provide an analog signal proportional to the active power consumed by the monitored load. The three current carrying conductors pass through the three windows of the top section and the matching voltage input at the terminals.
The AP-TH is a one-piece solution for measuring power; no external current transformers are needed and installation is easy, and the design ensures that the monitor is always correctly orientated. If connected improperly by mismatching the current and voltage inputs, or placing a conductor through the sensing window back to front rather than front to back, the LED will change colour from green to amber. The LED will also turn amber if the phase A conductor is placed through the phase B sensing window, or if power factor is lower than 0,50.
Designed to meet worldwide UL, cUL and CE standards, the transducers can be mounted on DIN rail of panel mounted using screws. They are suitable for loads of 0,5 kW to 200 kW and their ample sensing windows accommodate wires carrying up to 200 A. Suggested applications include pump monitoring, grinding and milling, and equipment monitoring.
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