4

ABC225 Series

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PARAMETER

DESCRIPTION / CONDITION

SPECIFICATION

Start-up is guaranteed, with spec deviation, see Fig. 1

-40 to +70°C

-40 to 0°C

Storage Temperature

-40 to +85°C

Cooling

With 13 CFM forced air cooling

With natural convection cooling at 100 to 264 VAC

225 W

Up to 120 W

Relative Humidity

Noncondensing

5% to 95%

Altitude

Operating:

Nonoperating:

16,000 ft.

40,000 ft.

Reliability

MTBF according to Telcordia -SR332-issue 3:

3.37 million hours

Convection load: 120 W up to 40 °C

De-rate between 40-50 °C @ 0.625% per °C

De-rate above 50 °C @ 2.33% per °C

Forced air cooled load: 225 W up to 50°C

De-rate above 50 °C @ 2.5% per °C

Figure 1. Derating Curve

Figure 2. Efficiency Graph at 115 VAC

Figure 3. Efficiency Graph at 230 VAC