H3C S6850 Series, Manual

Page: 25 / 54

3-24
(3) AC power receptacle (4) Handle
For information about the power module LED, see " Power module LEDs ."
Features
The SW-A-PSR550-12A-B and SW-B-PSR550-12A-B are power modules with AC or HVDC input
and DC output. It can provide up to 550 W of output.
Table3-2 describes the features provided by the
SW-A-PSR550-12A-B and SW-B-PSR550-12A-B power modules.
Table3-2 Features provided by the SW-A-PSR550-12A-B and SW-B-PSR550-12A-B power
modules
Feature Description
Protection function
Protection for input overcurrent, input undervoltage, output overvoltage, output
short-circuit, and overtemperature.
Support for redundancy
The power modules can work in N+1 or N+N redundant mode, and support
load sharing.
Support for hot swapping
You can install or remove a power module when the switch is operating
correctly.
Technical specifications
Table3-3 Technical specifications
Item SW-A-PSR550-12A-B SW-A-PSR550-12A-B
Dimensions (H × W
× D) 185 × 73.5 × 40 mm (7.28 × 2.89 × 1.57
in), including the handle 185 × 73.5 × 40 mm (7.28 × 2.89 × 1.57
in), including the handle
Weight 0.750 kg (1.65 lb) 0.775 kg (1.71 lb)
Rated AC input
voltage range
100 VAC to 240 VAC @ 50 or 60 Hz
Max AC input
voltage range
90 VAC to 264 VAC
Rated HVDC input
voltage
240 VDC
Max HVDC input
voltage range
190 VDC to 310 VDC
Rated input current
7.0 A Max @ 100 VAC to 240 VAC
3.5 A Max @ 240 VDC
Rated output current 45 A
Rated output
voltage
12 V
Rated output power 550 W
Melting current of
power module fuse
10 A