Issue:
This document describes the required input over current protection (circuit breaker) required when installing a Symmetra PX
Product line:
Symmetra PX1 Products
Environment:
All models/ all serial numbers
Cause:
Input Circuit Breaker Requirements for Symmetra PX 20/40/80 kw
Resolution:
ISX 20K (All-in-One)
90A 208vac
Symmetra PX 40
175A 208vac
80A 480vac (PDU w/ Step Down Transformer required)
60A 600vac (PDU w/ Step Down Transformer required)
Symmetra PX 80
350A 208vac
150A 480vac (PDU w/ Step Down Transformer required)
125A 600vac (PDU w/ Step Down Transformer required)
For more information about this subject please refer to Application Notes 148, 149, and 150. (APC Symmetra PX Frame Installation Deviation and Selection of Input Circuit Breaker Ratings)
App note 150
http://www.apc.com/salestools/AWAR-7KEP2T/AWAR-7KEP2T_R0_EN.pdf
App note 149
http://www.apc.com/salestools/AWAR-7KEPUW/AWAR-7KEPUW_R0_EN.pdf
App note 148
http://www.apc.com/salestools/AWAR-7KEQPR/AWAR-7KEQPR_R0_EN.pdf
Released for: Schneider Electric Hong Kong
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