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ACA5-20PC-14-AC1-RL-C Datasheet(PDF) 2 Page - Murata Power Solutions Inc. |
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ACA5-20PC-14-AC1-RL-C Datasheet(HTML) 2 Page - Murata Power Solutions Inc. |
2 / 5 page Performance/Functional Specifications Typical at TA = + 25°C, unless otherwise noted. ➀ The specified Full-Scale Current is the current carried by the single wire passing through the center hole of the ACA5-20PC's on-board CT. It is not the load current ultimately being measured. the Overcurrent Rating is a continuous rating that applies to the Full-Scale Current. It does not apply to any circuitry external to the meter. ➁ Listed accuracy specifications apply over the range of the Rated Full-Scale Current over frequencies of 45-450Hz. ➂ Maximum reverse polarity protection on "DC1" models is –40Vdc. ➃ All specified maximum power supply currents are steady-state. AC-powered models can draw larger surges at initial turn on. ACA5 - 20PC - 1 - AC1 - RL - C 1 = 50.0A 2 = 75.0A 3 = 100.0A 4 = 150.0A 5 = 199.9A 6 = 250A 7 = 300A 8 = 400A 9 = 500A 10 = 600A 11 = 750A 12 = 1000A 13 = 1500A 14 = 1999A RL = Red Standard AC1 = 85-264Vac@50/60Hz DC1 = +5-40Vdc Input Range: (45-450Hz) LED Color: Power Supply: Accessories: DMS-20-CP Panel cutout punch A DMS-BZL4 bezel assembly with sealing gasket is supplied with each ammeter. Matching 5A Current Transformers: 5A current transformers for all ACA5-20PC ac ammeters are available from Murata Power Solutions at nominal cost. For technical information, visit www.murata-ps.com, select Digital Panel Meters, then Accessories. Ordering Information Add -C for RoHS Full-Scale Current ➀ ➁ Min. Typ. Max. Units All Models – – 5.0 Amps Overcurrent Rating ➀ 1.5 x rated full-scale current Performance Sampling Rate 2.5 reading per second Accuracy ➁ ±0.15%FS ±6 Counts Measurement Type Sine wave input, full-wave averaging, rms calibrated Temperature Drift (0 = +60°C) – ±0.2 ±0.4 Cnts/°C Zero Reading “–001” “000” “001” Counts Dielectric Withstanding Voltage 2000 – – Vdc Power Supply Voltage ➂ ACA-20PC-X-AC1-RL (47-99Hz) 85 120 264 Vac ACA-20PC-X-DC1-RL +4.75 – +40 Vdc Power Supply Current ➃ ACA-20PC-X-AC1-RL (47-99Hz) – 30 50 mA ACA-20PC-X-DC1-RL – +8 +12 mAdc Power Supply Terminal Block Wire Size and Type 16-22AWG (solid or stranded) Insulation Strip Length 0.25 inches Screw Tightening Torque 3.6 pounds/inches (0.4Nm) Display Display Type and Size 3½ digit, 0.37"/9.4mm high LED Overrange Indication “1_ _ _“ Decimal Point Model dependent. See Ordering Info. Physical/Environmental Operating Temperature 0 – +60 °C Storage Temperature –40 – +75 °C Humidity (non-condensing) 0 – 95 % Case Material Polycarbonate Dimensions 1.38”W x 0.88”H. Depth is model depen- dent (see mechanical specification) Weight: (All models) 1.1 Ounces (31 grams) 7020-01036-0 7020-01037-0 7020-01038-0 7020-01039-0 7020-01040-0 7020-01041-0 39-3681407 * 39-3681408 * 39-3681409 * 7020-01042-0 7020-01043-0 7020-01044-0 7020-01045-0 7020-01046-0 5A CT Partno. * Not RoHS Compliant MPM_ACA520PC_B02 Page 2 of 5 ACA5-20PC Series 5 Amp Input LED-Display AC Ammeters Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 www.murata-ps.com For full details go to www.murata-ps.com/rohs IMPORTANT! To ensure safe and reliable operation, ACA5-20PC ammeters must be installed and serviced by qualified technical per- sonnel. Contact Murata Power Solutions if there is any doubt regarding ammeter installation and/or operation. 1 . Measurement Type: ACA5-20PC ac ammeters employ a full-wave- rectified, average responding, rms-calibrated circuit to measure the stepped-down output of their built-in L1 current transformer (CT) . Stated accuracy specifications are measured using a sine-wave cur- rent at or close to the full-scale input level, at nominal line frequency. 2. Calibration: Periodic recalibration of ACA5-20PC ammeters is not required under normal, indoor operating environments. If user calibra- tion is necessary, it should be performed by qualified technical personnel. Calibration is performed with potentially lethal voltages applied to the ACA5-20PC and its associated wiring, with the specified full-scale current flowing through the ammeter’s built-in current transformer. A plastic, fully-insulated adjusting tool must be used to access the recessed calibration potentiometer located on the back of the meter (see Mechanical Specifications). Contact MPS if additional information is required regarding calibration, setup, or any other technical issue pertaining to ACA5-20PC ammeters. 3. Wire Gauges and Fusing: Wires specified in the Functional Specifica- tions section must be used for making connections to ACA5-20PC Series ammeters. All power-supply and load wiring must be rated for the supply voltages and currents they will conduct and must comply with any code or application-mandated requirements pertaining to the user’s specific installation. TECHNICAL NOTES |
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