Liebert POWER PROTECTION STATIC TRANSFER SWITCH - Manual (Page 35)

Installation Drawings
27
Figure 15 Electrical field connections drawing: 100 – 250 amp STS2 with dual output breakers
NEUTRAL BUS SOURCE 1 INPUT Ø B SOURCE 1 INPUT Ø C
CB4
.51 DIA.
GROUND BUS FRONT VIEW
PEM NUT
RIGHT SIDE VIEW NEUTRAL BUS
PEM NUT
RIGHT SIDE VIEW INPUT/OUTPUT BUS
GROUND BUS
SOURCE 1 INPUT Ø A, Ø
B, Ø C
SOURCE 2 INPUT Ø A, Ø B, Ø C
SYSTEM OUTPUT Ø A, Ø B, Ø C
NEUTRAL BUS
SOURCE 1 INPUT Ø A
FRONT
CB1
CB2 CB5 CB3
CB3A
K3
K2
CB4
K1
CB3
K3
K1
K2
CB5
SOURCE 1
CB1
CB2
SOURCE 2
CB3A
SECTION A-A
SIDE VIEW
FRONT VIEW
(WITH FRONT PANELS REMOVED)
ONE-LINE DIAGRAM
SYSTEM OUTPUT
PS212101 Rev. 3
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.
7. THE TORQUE REQUIREMENT FOR 1/2"-13 PEM NUTS IS 428 INCH-LBS. (48 N-m).