ACA-20RM-4-AC4-RL-C Murata Power Solutions Inc, ACA-20RM-4-AC4-RL-C Datasheet
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ACA-20RM-4-AC4-RL-C
Specifications of ACA-20RM-4-AC4-RL-C
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ACA-20RM-4-AC4-RL-C Summary of contents
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... True-RMS-AC Ammeters with Built-in CT Murata Power Solution’s new ACA-20RM Series are the world’s fi rst digital ac-ammeters to incorporate a built-in current transformer (CT) to directly measure the true-rms value of complex, non-sinusoidal ac currents from 2 to 50A – no bulky and expensive 5A “donut” ...
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... Stated accuracy is measured using a sine- wave input at, or close to, the specifi ed full scale input nominal line frequency of 60HZ. 2. Calibration: Periodic recalibration of ACA-20RM ammeters is not required under normal indoor environments. If user calibration is deemed necessary, it must be performed by qualifi ed technical personnel since potentially lethal voltages and currents are applied to the ACA-20RM during the calibration process ...
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... AC Supply Polarity and Grounding: The two supply inputs, TB1 ‘A’ and ‘B’, on ACA-20RM ammeters are not polarity sensitive, that is, they have no ‘AC LO’ or ‘AC HI’ designations. Also, ac-powered ACA-20RM amme- ters do not include or require a connection to earth/chassis ground. ...
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... PANEL INSTALLATIONS All connections to ACA-20RM Series ammeters must be made after the ammeter is securely attached to its panel and with all associated load and supply voltages de-energized (off). However, using extreme caution and observing all safety measures applicable to the user’s installation, 50A split-core CT models can be connected to energized current-carry- ing load conductors, but connections to TB1 must always be made with the ammeter’ ...
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... CAL TB1 L1 0.35 (8.9) Diameter 0.250 (6.35) 1.00 (2.54) For 2A and 20A Models MECHANICAL DIMENSIONS: Inches (mm) TOLERANCES DEC ±0.02 (±0.51 DEC ±0.010 (±0.254) © 2011 Murata Power Solutions, Inc. email: sales@murata-ps.com 26 Jan 2011 MPM_ACA-20RM_B05 Page 1.750 (44.45) 0.26 (6.6) Diameter ...