Typical (225 - 1200 Amperes) Vertical Design Transfer Switch Equipment (Door Open And Deadfront Shield Removed) - Eaton Cutler-Hammer NTV Series Instruction Bulletin

S1 Power Source
Molded Case
Device
Load Lugs
(Top Entry)
Neutral
Connections
Manual
Operating
Handle
Indicator
Wheel
Transfer
Mechanism
S2 Power Source
Molded Case
Device
Figure 15. Typical (225 – 1200 Amperes) Vertical Design Transfer Switch Equipment (Door Open and Deadfront Shield Removed)
Step 7: Turn the load lug assembly 180° with the lugs at
the bottom and remount the assembly by reversing
the procedures described in Steps 5 and 6. The
mounting bracket will now be bolted to the bottom
of the power panel. Make certain that all glass poly-
ester phase barriers are in place and positioned
properly in the grooves provided. When making
any bolted connection to the bus, comply with
the torque requirements as outlined in Table 3.
IB01602007E
O&M Manual for
Non-Automatic Transfer
Switches (30 – 1200 Amperes)
Table 3. Bolted Bus Connection Torque Requirements
Power Panel
Switching Device
Type FD
Type KD
Type LD
Type MA/MD
Type ND/NB
For more information visit: www.cutler-hammer.eaton.com
Instruction Bulletin
Effective: June 2003
Door-Mounted
Logic Panel
Transformer
Panel
Power Panel
S1 Connector
(S1)
Motor
Disconnect (S3)
S2 Connector
(S2)
Voltage
Selection
Connectors (P7)
Voltage
Selection Panel
Door Disconnect
Plugs (S4/P4)
Torque
ft-lb (Nm)
10 (13)
20 (27)
25 (33.8)
25 (33.8)
25 (33.8)
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