1 dimensions, 2 weight, 3 ac power (450w psu) – IBM DCS9550 1S1 User Manual
Page 25: 4 psu safety and emc compliance, 5 power cord, Dimensions, Weight, Ac power (450w psu), Psu safety and emc compliance, Power cord

Introduction
10
IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide
1.4
DCS9550 1S1 Storage Expansion Unit Technical Specification
1.4.1
Dimensions
1.4.2
Weight
1.4.3
AC Power (450W PSU)
1.4.4
PSU Safety and EMC Compliance
1.4.5
Power Cord
(minimum requirements)
Rack Enclosure
inches
millimeters
Height
5.12
130
Width across mounting flange
19.0
482
Depth 19.7
500
Fully loaded with 16 drives
37kg (77.6 lb)
Empty Enclosure
9kg (19.8lb)
Voltage Range
100-120 / 200-240 VAC Rated
Voltage Range Selection
Automatic
Frequency
50/60 Hz
Inrush Current
50A @ 260VAC
Power Factor
>0.98
Harmonics
Meets EN61000-3-2
Safety Compliance
UL 60950
IEC 60950
EN 60950
EMC Compliance
CFR47 Part 15B Class A
EN55022
EN55024
Cord Type
SV or SVT, 18 AWG minimum, 3 conductor
Plug
250V, 10A
Socket
IEC 320 C-14, 250V, 15A