Advantech AWS-8248 Manual do Utilizador descarregar pdf (Página 34)

AWS-8248V User’s Manual 28

Appendix B

Power Supply Specifications

B.1 Supported Input Timing Modes

The AWS-8248 off-line switching power supply is ideal for use in work-

stations. It has been designed to meet UL, CSA and TUV safety stan-

dards. It has been tested and found to comply with the limits for a Class B

digital device, pursuant to Part 15 of the FCC Rules. These limits are

designed to provide reasonable protection against harmful interference

when the equipment is operated in a commercial environment.

B.1.1 Specifications

Input

• Input range: AC 115/230 V

• Input frequency:AC 115 V/60 Hz, 230 V/50Hz

• Input current: AC 115 V/10A, 230 V/5A

• Efficiency: >65% @ full load, nominal line

• EMI/RFI: FCC Part 15 Class B; CISPR 22

Class B

1. Maximum continuous DC output power shall not exceed 250 W

2. +3.3 V and +5 V total O/P power should not exceed 175 W

3. -12 V and -5 V max. total combined current is 0.8 A

4. M.T.B.F: 150K hours min. at max. load and 25° C ambient

conditions

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Advantech AWS-8248 Manual do Utilizador Página 34