ACA5-20PC Datasheet, PDF(1/5 Page) Murata Power Solutions Inc.

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ACA5-20PC Datasheet, PDF (1/5 Pages) Murata Power Solutions Inc. – 5 Amp Input LED-Display AC Ammeters

ACA5-20PC Series

5 Amp Input LED-Display AC Ammeters

FEATURES

â Scales and displays the output of 50:5A to 2000:5A

current transformers

â 14 ranges (0-50 Amp to 0-2000 Amp)

â 2 Power options, 28 models

â Functionally complete:

On-board 5A current transformers

Scaling/interface circuitry

Precision A/D converters

Bright red or green LED displays

â Subminiature, 1.38" x 0.88" package

â Easy-to-read, 0.37"/9.4mm digits

â AC powered models: 120/220Vac @ 50/60Hz

â AC models can be "self-powered"

â +5-40V dc powered model

â 2000V isolation; UL/CSA recognized

â Digital replacements for analog ammeters

SIMPLIFIED SCHEMATIC DRAWING

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US E156931

ACA5-20PC Series AC Ammeters are designed to scale and digitally display the output of

standard, 5A-output current transformers (50:5A, 500:5A, 1000:5A, etc.). Simply pass the

secondary/output wires of the "primary" CT through the ACA5-20PC's on-board CT, apply

power to the meter, and you're instantly measuring ac currents over one of 14 ranges from

0-50A (with 100mA resolution) to 0-2000A (with 1A resolution). Because they accept out-

puts from previously installed high-current CT's, ACA5-20PC's can instantly bring modern

digital precision to older ac ammeters.

The functionally complete ACA5-20PC ammeters incorporate scaling/interface circuitry

to mate the on-board CT to a precision (3Â½ digit) A/D converter. The A/D's output directly

drives the meters' large (0.37"/9.4mm digit height), easy-to-read, LED displays. All models

employ auto-zero circuits, precision bandgap references, and super stable metal-film resis-

tors for unsurpassed accuracy (Â±0.15%FS) and stability.

ACA5-20PC meters are either ac (120/220Vac @ 50/60Hz) or dc (+5-40V) powered.

AC models can be powered by the same ac supply whose current they are monitoring. All

ACA5-20PCs provide 2000Vdc isolation between the measured ac current and their power

supply, and all models are UL/CSA recognized.

Each meter is housed in a subminiature, 1.38" x 0.88", epoxy-encapsulated package

whose behind-the-panel installation depth is 2 inches. Display color options include stan-

dard red, high-intensity red, and standard green. Each meter is supplied with a plastic bezel

assembly with sealing gaskets (MPS DMS-BZL4-C).

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For full details go to

www.murata-ps.com/rohs

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www.murata-ps.com

Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000

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