Emerson Liebert Static Transfer Switch - Manual (Page 37)

Installation Drawings
29
Figure 16 Electrical field connections drawing: 400 – 600 amp Liebert STS2 with single output breaker
PS212400 Rev. 2
CB1 CB4
GROUND BUS FRONT VIEW
RIGHT SIDE VIEW NEUTRAL BUS
BUS GROUND
PEM NUT
RIGHT SIDE VIEW
INPUT/OUTPUT BUS
.51 DIA.
NEUTRAL BUS
CB3
CB5 CB2
(WITH FRONT PANELS REMOVED)
FRONT VIEW
SYSTEM OUTPUT Ø A, Ø B, Ø C
SOURCE 2 INPUT Ø A, Ø B, Ø C SOURCE 1 INPUT Ø A, Ø B, Ø C
SIDE VIEW
SECTION A-A
SOURCE 1 INPUT Ø A NEUTRAL BUS
PEM NUT
SOURCE 1 INPUT Ø B SOURCE 1 INPUT Ø C
FRONT
SYSTEM OUTPUT
ONE-LINE DIAGRAM
K3
K2
CB4
K1
CB3
K3
K1 K2
CB5
SOURCE 1
CB1
C
B2
SOURCE 2
NOT RECOMMENDED. NOTES: 1. ALL DIMENSIONS ARE IN INCHES AND (MILLIMETERS). 5.
ALL WIRING IS TO BE IN ACCORDANCE WITH NATIONAL
4.
ALUMINUM
AND
COPPER CLAD ALUMINUM CABLES AR
E
3. CONTROL WIRING AND POWER WIRING MUST BE RUN 2. TOP AND BOTTOM CABLE ENTRY AVAILABLE THROUGH AND LOCAL ELECTRICAL CODES. RUN IN A SEPARATE CONDUIT FROM INPUT CABLES. IN SEPARATE CONDUIT. OUTPUT CABLES SHOULD BE CONDUIT SIZE, AND REPLACE. REMOVABLE ACCESS PLATES. REMOVE, PUNCH TO SUIT NEUTRAL, AND GROUND CABLE CONNECTIONS. KIT 6. HARDWARE KIT IS SUPPLIED FOR INPUT, OUTPUT, INCLUDES 1/2" BOLTS, WASHERS, AND NUTS FOR CONNECTING CABLES TO THE BUS BARS. 428 INCH-LBS. (48 N-m). 7. THE TORQUE REQUIREMENT FOR 1/2"-13 PEM NUTS IS