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 49
Revision T, September 28, 2022
AC Input (12 or 24 AC Input Feeds)
Wire and Conduit Sizes, Branch Circuit Protection, and Lugs Selection
Lists 5 and 13
Features
♦
10-32 studs on 5/8” centers are provided for installation of customer provided two-hole AC Input lugs.
♦
1/4-20 studs are provided for installation of customer provided two-hole AC equipment grounding lugs.
♦
For AC input wiring, refer to the illustration provided in this section.
Restrictions
Twelve (12) or twenty-four (24) AC input feeds are required in Lists 5 and 13 only.
24 Feeds, 208VAC, List B w/ List 5 or 13: Three feeds per conduit and one ground per conduit. Customer must provide a
high inrush circuit breaker overcurrent protection device in each AC input feed as shown in Table 13.
24 Feeds, 380/480VAC, List A w/ List 5 or 13: Three feeds per conduit and one ground per conduit. Customer must
provide a high inrush circuit breaker overcurrent protection device in each AC input feed as shown in Table 13.
12 Feeds, 208VAC, List B w/ List 5 or 13: Two feeds per conduit and one ground per conduit. Customer must provide a
high inrush circuit breaker overcurrent protection device in each AC input feed as shown in Table 14.
12 Feeds, 380/480VAC, List A w/ List 5 or 13: Two feeds per conduit and one ground per conduit. Customer must
provide a high inrush circuit breaker overcurrent protection device in each AC input feed as shown in Table 14.
All lugs for equipment grounding connections must be ordered separately. Customer needs to supply lug mounting hardware
.
Ordering Notes
1)
Refer to Tables 13 (24 Feeds) and 14 (12 Feeds) for recommended AC input wire and conduit sizes, branch circuit
protection, and equipment grounding lugs.
