|   | PWR-C1-1100WAC | PWR-C1-715WAC | PWR-C1-350WAC | PWR-C1-440WDC | 
| Power supply rated maximum | 1100W | 715W | 350W | 440W | 
| Total output BTU (Note: 1000 BTU/hr = 293W) | 3793 BTU/hr, 1100W | 2465 BTU/hr, 715W | 1207BTU/hr, 350W | 1517BTU/hr, 440W | 
| Input-voltage range and frequency | 115-240VAC, 50-60 Hz | 100-240VAC, 50-60 Hz | 100-240VAC, 50-60 Hz | -36VDC to -72VDC | 
| Input current | 12-6A | 10-5A | 4-2A | <8A at -72VDC <16A at -36VDC | 
| Output ratings | -56V at 19.64A | -56V at 12.8A | -56V at 6.25A | -56V at 7.86A | 
| Output holdup time | 10 ms minimum at 102.5VAC | 16.7 ms minimum at 100VAC | 16.7 ms minimum at 100VAC | > 2ms at -48VDC | 
| Power-supply input receptacles | IEC 320-C16 (IEC60320-C16) | IEC 320-C16 (IEC60320-C16) | IEC 320-C16 (IEC60320-C16) | Terminal strip | 
| Power cord rating | 13A | 13A | 10A | 20A at 100VDC | 
| Physical specifications | (H x W x D): 1.58 X 3.25 X 13.7 in Weight: 3 lb(1.4 kg)
 | (H x W x D): 1.58 X 3.25 X 12.20 in Weight: 2.8 lb(1.3 kg)
 | (H x W x D): 1.58 X 3.25 X 12.20 in Weight: 2.6 lb(1.2 kg)
 | (H x W x D): 1.58 X 3.25 X 12.20 in Weight: 2.6 lb(1.2 kg)
 | 
| Operating temperature | 23 to 113°F (-5 to 45°C) | 
| Storage temperature | -40 to 158°F (-40 to 70°C) | 
| Relative humidity operating and nonoperating noncondensing | 5 to 90% noncondensing | 
| Altitude | 10,000 ft. (3000 meters), up to 45°C | 
| MTBF | Calculated MTBF must be greater than 300,000 using Telcordia SR-332, Method 1, Case 3. Demonstrated MTBF is 500,000 hr (with 90% confidence level). | 
| EMI and EMC compliance | FCC Part 15 (CFR 47) Class A ICES-003 Class A EN 55022 Class A CISPR 22 Class A AS/NZS 3548 Class A BSMI Class A (AC input models only) VCCI Class A EN 55024, EN300386, EN 50082-1, EN 61000-3-2, EN 61000-3-3 EN61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-5, EN61000-4-6, EN 61000-6-1 | 
| Safety compliance | UL 60950-1, CAN/CSA-C22.2 No. 60950-1, EN 60950-1, IEC 60950-1, CCC, CE Marking | 
| LED indicators | “AC OK”: Input power to the power supply is OK “PS OK”: Output power from the power supply is OK |