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Elgar CW-M Series

1 INTRODUCTION

Elgar's ContinuousWave™ (CW) Series power sources deliver up to 1250 VA in a 2U

high (3.5 inches) rackmount chassis, and 2500 VA in a 5.25 inch chassis. This low

profile design is also suitable for benchtop use. The CW Series models have three

power ratings: 800 VA, 1250 VA, and 2500 VA. The switchmode, Power Factor

Corrected (PFC) design efficiently delivers clean AC power.

Voltage, current, and frequency settings are quickly adjusted from the front panel knobs

(10–turn potentiometers). Also, the sources can be programmed remotely from the rear

panel analog port. The output is protected against overvoltage, overcurrent, and over-

temperature conditions. They can be easily paralleled in the field with an additional

parallel cable. A two-speed fan results in quieter operation at lower power levels.

Key features of the CW Series AC power sources include:

• High performance/value design

• Output available at front or rear panel

• Full rated current for two output voltage

ranges: 0 to 135 VAC and

0 to 270 VAC

• Low profile 2U (3.5") rack height for

CW 801M and CW 1251M, and

5.25" rack height for CW 2501M

• Single phase AC output: 45 to 500 Hz

• Multi phase and paralleling

• Measures output voltage, current,

and frequency

• Side air intake, exhaust to rear

• Two large 4-digit, 7-segment

LED displays

• Transformer coupled output,

500 VRMS isolation voltage between

either output terminal to chassis

• Power-up to previous front panel

setting or 0 Volts (switch selectable)

• Universal Input:

90–264 VAC (CW 801M),

103–264 VAC (CW 1251M),

180–264 VAC (CW 2501M)

• Optional front panel locking knobs

• 1–year calibration interval

• CE Mark

Figure 1–1 ContinuousWave (Model CW1251M) Front Panel

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Elgar CW 801P-V Instrucciones de operaciones Pagina 11