Liebert POWER PROTECTION STATIC TRANSFER SWITCH Switch User Manual


 
Installation Drawings
31
Figure 19 Electrical field connections: 800 – 1000 amp STS2 with dual output breakers
PS212801
Rev. 2
ONE-LINE DIAGRAM
SYSTEM OUTPUT
SOURCE 1
CB4
K2 K3
K1
CB1
CB5
K2
K1 K3
SOURCE 2
CB2
CB3A CB3
FRONT VIEW
(WITH FRONT PANELS REMOVED)
SIDE VIEW
SECTION A-A
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 ARE
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