Electronic Products & Technology

Compact 3-phase AC digital ammeter with built-in current transformers

EP&T Magazine   


MURATA POWER ACM3P series of low profile 3-phase ac digital ammeters is suitable for front panel mounting. Capable of high precision measurement to within 0.1 A and display of true-rms values of 2- or 3-phase mains current up to a maximum of 100 A per phase, device has three built-in current transformers. Line and phase currents from 480Vac can be measured, with peak capability of 150A. Product can accurately display true-rms values of triangle, square and other irregularly shaped ac current waveforms. Measurement accuracy is +/- 1% of full scale.



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