Installation Drawings
27

Figure 14 Electrical field connections drawing: 100 – 250 amp Liebert STS2 with single output breaker

PS212100

Rev. 3

FRONT VIEW
1. ALL DIMENSIONS ARE IN INCHES AND (MILLIMETERS).
NOTES:
(WITH FRONT PANELS REMOVED)
SECTION A-A
NEUTRAL BUS
SOURCE 1 INPUT Ø B
SOURCE 1 INPUT Ø C
CB4
SIDE VIEW
ONE-LINE DIAGRAM
K3K2 CB3CB4
SYSTEM OUTPUT
K1
CB1
SOURCE 1
CB5
K1 K3
K2
CB2
SOURCE 2
.51 DIA.
GROUND BUS
FRONT VIEW PEM NUT
RIGHT SIDE VIEW
NEUTRAL BUS
PEM NUT
RIGHT SIDE VIEW
INPUT/OUTPUT BUS
5. ALL WIRING IS TO BE IN ACCORDANCE WITH NATIONAL
4. ALUMINUM AND COPPER CLAD ALUMINUM CABLES ARE
3. CONTROL WIRING AND POWER WIRING MUST BE RUN
2. TOP AND BOTTOM CABLE ENTRY AVAILABLE THROUGH
AND LOCAL ELECTRICAL CODES.
NOT RECOMMENDED.
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
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
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).