Brochures and Data Sheets

Power Data Sheet PD588705000
Spec. No. 588705000 (Model PSS4850-23GV) Issue AP, September 12, 2013
Page 29 of 42
This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy
Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
List 42 Module Mounting Shelf (400V DC Input)
Refer to Table 6 for recommended wire size and Figure 8 for terminal location.
LIST 42 DC INPUT (TB1 and TB2)
Connection Points for Two DC Input Feeds are Provided per Shelf
Operating
Ambient
Temperature
1
Recm
Branch
Circuit
Protection
3, 4
Recm 90
°
C
Wire Size
1, 5
TB1 and TB2 Terminals
Capacity Type
45°C
45 Amperes 6 AWG 6 to 14 AWG
Screw Compression
Tubular Contact
50°C
65°C
2
1
Wire sizes based on recommendations of the American National Standards Institute (ANSI)
approved National Fire Protection Association's (NFPA) National Electrical Code (NEC). Table
310.15 (B) (16) for copper wire at 90°C conductor temperature. For operation in countries where the
NEC is not recognized, follow applicable codes.
2
Converters de-rate to 2700W at an ambient of 65°C.
3
Recommendations based on Full Load Input Current of 33 Amperes.
4
Maximum overcurrent protective device is 60A at 40°C.
5
Maximum loop length is 100 meters (328 feet). Loop length is the sum of the lengths of the positive
and negative leads.
Table 6
Recommended DC Input Branch Circuit Protection and Wire Size - List 42
Home