Rockwell Automation 2364E Non-Regenerative DC Bus Supply Unit (NRU) - Manual (Page 22)

Publication 2364E-5.01 April 2002
1-8 Overview
• Ability to connect to other MCC sections on both the right and
left sides
• Top-entry AC line input
• Removable top-plate for cutting conduit holes
• 6"-high, full-section-depth, horizontal wireway at top of MCC
enclosure
Note: The front-half of the top horizontal wireway is typically
reserved for the routing of control/communication wires.
• Easy accessibility for routine maintenance
• Motor circuit protector in 180 and 350A DC (current codes A and
B) units and circuit breakers in 900, 1500, 2000, 2500, and
3000A DC (current codes C, D, E, F, and G) units are
padlockable
• 180 and 350A DC (current codes A and B) units have removable
diode power bridge assembly
• Tin-plated copper horizontal power busbars and PE/TE busbars
• Standard power bus bracing rated at 65kAIC
• Horizontal PE and TE copper bus that is bottom-front mounted
• ASA49 gray, baked-enamel finish
• Vented unit door(s) with door fan(s) where appropriate
• Units come standard with cloth wire labels
• NRUs can connect to FD86N enclosures on either or both sides,
provided that the NRU:
• is 20 inches deep
• has 1.5" high base channels
• has its DC bus and control bus (if supplied) mounted at a
depth of 16.94 inches