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Vertiv
™
NetSure
™
-48 VDC Power System
System Application Guide
Spec. No: 582140001
Proprietary and Confidential © 2022 Vertiv Group Corp.
SAG582140001
Model No: 801
NLDB
, 801
NLEB
, 801
NL
-
B
Page 61
Revision T, September 28, 2022
External Alarm, Reference, and Control Wire Sizes - Power Bays
Features
♦
External Alarm, Reference, and Control connections are made to TB1 on the MCA circuit card and TB1 on the MCA
Customer Alarm Relay Circuit Cards.
Terminals
Recm
Wire Size
Capacity
Type
28 to 16 AWG
Screw Clamp
22 AWG for Loop Lengths Up to 200 ft.
18-20 AWG for Loop Lengths Over 200 ft.
Table 17
Recommended Alarm, Reference, and Control Wire Size
(TB1 on MCA Circuit Card)
(TB1 on MCA Customer Alarm Relay Circuit Card)
MCA Circuit Card P/N 509478
(Primary Bay)
1
10
1
9
10
18
TB1
MCA Customer Alarm
Relay Circuit Card P/N 514348
(Primary and/or Secondary Bays)
MCA Circuit Card
(Primary Power Bay only)
MCA Customer Alarm Relay Circuit Cards
and/or LMS Input/Output (I/O) Circuit Cards.
TB1