Overview Specifications Diagram Support Downloads Get A Quote  
Elgar CW Series Specifications
Input
Model CW 801M CW 1251M CW 2501M CW 801P CW 1251 P CW 2501 P
Power 800 VA 1250 VA 2500 VA 800 VA 1250 VA 2500 VA
Voltage 90 - 264 VAC 103 - 264 VAC 180 - 264 VAC 90 - 264 VAC 103 - 264 VAC 180 - 264 VAC
Current 13 ARMS max 18.5 ARMS max 19.5 ARMS max 13 ARMS max 18.5 ARMS max 19.5 ARMS max
Frequency 47 to 63 Hz
Phases single-phase
Power Factor >0.99 typical at full load nominal line
Efficiency >73% typical at full load
Output
Model CW 801M CW 1251M CW 2501M CW 801P CW 1251 P CW 2501 P
Power 800 VA 1250 VA 2500 VA 800 VA 1250 VA 2500 VA
Voltage
Voltage ranges 0 to 135 Vrms, 0 to 270 Vrms, user selectable
Accuracy (>5VAC) ± 1% of range ±0.1% of range <100 Hz, ± 0.2% of range >100 Hz
Resolution 0.1 Vrms
Total harmonic distortion 0.65% typical <100Hz add 0.5%/100 Hz above 100 Hz
AC noise level (typical) <50 mVRMS <50 mVRMS <100 mVRMS <50 mVRMS <50 mVRMS <100 mVRMS
Amplitude stability¹ ±0.1% of full scale ±0.05% of full scale
Load regulation ±0.1% of full scale voltage for a full resistive load to no load (<10 mVRMS typical, measured at
point of sense)
Line regulation ±0.1% of full scale voltage for a ±10% line change from nominal line voltage (<5 mVRMS typical, measured at point of sense)
Remote voltage sense 5 Vrms total lead voltage drop
Current
135VAC Range 6.0 ARMS 9.4 ARMS 18.6 ARMS 6.0 ARMS 9.4 ARMS 18.6 ARMS
270VAC Range 3.0 ARMS 4.7 ARMS 9.3 ARMS 3.0 ARMS 4.7 ARMS 9.3 ARMS
Accuracy ± 0.5% typical ± 0.5% max
Resolution 0.1 ARMS 0.01 ARMS
Frequency range
Range 45 to 500 Hz 45 to 500 Hz, 45 to 1000 Hz (option)
Accuracy ±0.5% typical ±0.02% max
Resolution 0.1 Hz 0.1 Hz, 0.01 Hz for remote programming
Phase All models single phase output. Multi-phase system configuration with Digital Expansion Cable
Power factor of load 0 lag to 0 lead
Physical
Model CW 801M CW 1251M CW 2501M CW 801P CW 1251 P CW 2501 P
Height 3.5 in. 3.5 in. 5.25 in. 3.5 in. 3.5 in. 5.25 in.
Width 19 in. 19 in. 19 in. 19 in. 19 in. 19 in.
Depth 20.07 in. 20.07 in. 20.07 in. 20.07 in. 20.07 in. 20.07 in.
Weight 48 lbs (22 kg) 53 lbs (24 kg) 86 lbs (39 kg) 48 lbs (22 kg) 53 lbs (24 kg) 86 lbs (39 kg)
Shipping Weight 56 lbs (25 kg) 61 lbs (28 kg) 94 lbs (43 kg) 56 lbs (25 kg) 61 lbs (28 kg) 94 lbs (43 kg)
Environmental
Operating Temperature 0 to 40°C
Storage Temperature -40 to +70°C
Humidity Range 0 to 85% at 25°C derate to 50% at 40°C (non condensing)
Altitude Operating full power available up to 6,000 feet, non operating to 40,000 feet
Cooling Dual fan speed with side air intake, exhaust to rear
General
Regulatory compliance CE Mark
Measurements
Model CW 801M CW 1251M CW 2501M CW 801P CW 1251 P CW 2501 P
Power 800 VA 1250 VA 2500 VA 90 - 264 VAC 1250 VA 2500 VA
Voltage
Range 0 to 270 Vrms 0 to 270 Vrms, 0 to 310VRMS (option)
Accuracy² (VAC >5V) ± 1% of full range ±0.1% of range <100 Hz, ± 0.2% of range>100 Hz,
± 0.3% of range>500 Hz (option)
Resolution 0.1 Vrms 0.1 Vrms
Current³
Range 0 - 6.0 ARMS 0 - 9.4 ARMS 0-18.6 ARMS 0 - 6.0 ARMS 0 - 9.4 ARMS 0-18.6 ARMS
Accuracy ±2% of range for linear loads with current >0.2A,
> 0.4A for 2500 VA
±0.5% of range for linear loads
Resolution 0.1 ARMS 0.01 ARMS
Current³
Range - - - 0 to 25 A 0 to 35 A 0 to 70 A
Accuracy - - - ±1% of range
Resolution - - - 0.1 A
Frequency
Range 45 to 500 Hz 45 to 500 Hz, 45 to 1000 Hz (option)
Accuracy ±0.5% typical ±0.02% max
Resolution of display 0.1 Hz 0.1 Hz
Measurements
Model CW 801MCW 1251M CW 2501MCW 801P CW 1251 PCW 2501 P
Power 800 VA 1250 VA 2500 VA
Power³
Range 0 - 800 W 0 - 1250 W 0 - 2500 W
Accuracy ±2% of range for linear loads
Resolution 1 W
Apparent Power³
Range 0 to 800 VA 0 to 1250 VA 0 to 2500 VA
Accuracy ±2% of range for linear loads
Resolution 1 VA
Power Factor³
Range 0 to 1
Accuracy ±4% of range for linear loads
Resolution 0.01
Crest Factor
Range 0 to 3.5
Accuracy ±5% of range
Resolution 0.01
Phase
Range -359 to +359 degrees. Positive indicates time lag from reference
Accuracy Within 100 microseconds of equivalent angle
Resolution 1 degree
1 Over 8 hours at constant line, load and temperature after 15-minute warm-up typical
2 Typical values measured at point of sense
3 In a parallel system (for programmable units only), the current/power displayed on the master unit is the sum of all units in the system
 
RELATED LINKS

AC Product Selector

AC Modular Supply

Discontinued Products

Product Support

Contact Sales