Liebert POWER PROTECTION STATIC TRANSFER SWITCH User Manual

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).