Cisco 159330 User's Guide download pdf (Page 22)

1-6

Cisco AC/DC Power System User Guide, R1.0

May 2006

Chapter 1 Introduction

1.1.6 General Specifications

Table 1-2 provides cabling specifications for the Cisco AC/DC Power System.

Table 1-3 provides electrical specifications for the Cisco AD/DC Power System.

Table 1-4 provides protection specifications for the Cisco AC/DC Power System.

Table 1-1 System Configurations

Configuration Rectifiers Distribution

Output at

220V AC

Output at

110V AC

Small Systems 2 CSCO-PWR-RECT Modules 10-position GMT Fuse

Block

32A 13.3A

Medium Systems 3 CSCO-PWR-RECT Modules 10-position GMT Fuse

Block

4- position 1RU DC

Distribution Shelf

64A 26.6A

Large Systems 4 CSCO-PWR-RECT Modules 10-position GMT Fuse

Block

4- position 1RU DC

Distribution Shelf

96A 40A

Table 1-2 Cabling Specifications

From To Wire Gauge Ampacity

System Shelf 1U DC Distribution

Shelf

4 x 6AWG (16mm²)

(intra-shelf cabling)

96A (max)

Circuit Breakers Load 10 - 8AWG

(6mm² - 10mm²)

30A (max)

GMT Fuse Block Load 16 - 14AWG

(1.5mm² - 2.5mm²)

15A (max)

AC Service Panel System Shelf 3 conductor 14AWG

(2.5mm²) per AC input

9.1A x (4) inputs

<37A Total

Table 1-3 Electrical Specifications

Electrical Value

Input Voltage (A) 100-120VAC

(B) 200-250VAC

Input Frequency 44-66 Hz.

Transient Response +/- 4%, recovery time 2ms

Load Sharing +/- 5% of nominal current

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 95 96

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