Advantech AWS-8248 Manual do Utilizador descarregar pdf (Página 37)

31 Appendix B

Reset time:

When the power supply has automatically shut down, and the short cir-

cuit, over-current and/or over-voltage conditions have ceased to exist,

power will be automatically recycled to restart the power supply within 3

seconds of such return to normal conditions.

No load start:

When the power supply is switched on but with no load connected, the

power supply does not get damaged, and it is still completely safe for

users.

Transient response:

Dynamic load change: ±50% of maximum rating load

Recovery time: 500 µs max.

Reliability:

Mean time between failures (MTBF):100,000 hours minimum

Operating temperature: 0 ~ 50° C

Storage temperature: -40 ~ 60° C

Operating and storage humidity:10 ~ 95% RH

Operating altitude: sea level ~ 15,000 ft

Storage altitude: sea level ~ 50,000 ft

International Standards Compliance

Safety: UL 1950

CSA 22.2 No. 234

TUV EN 60950

EMI: FCC Part 15 Subpart J Class B

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Advantech AWS-8248 Manual do Utilizador Página 37