Rockwell Automation 2364E Non-Regenerative DC Bus Supply Unit (NRU) - Manual (Page 67)

Publication 2364E-5.01 April 2002
Specifications A-5
Thru Bus Ratings per Unit
Table F: Current Ratings of DC Thru Bus
Environmental Specifications Operating Conditions
Table G: NRU Operating Conditions
Figure 1
Altitude Derate Curve
Unit DC Bus
Current (A DC)
Thru Bus Rating
(A DC)
180 800
350 800
900 1600
1500 1600
2000 3000
2500 3000
3000 3000
Altitude 1000 meters (3,300 ft)
Ambient Temperature 0º to 40º C (32º to 104º F) ‚
Relative Humidity 5% to 95%, non-condensing
For altitudes higher than 1000 meters, derate using Figure 1.
For temperatures greater than 40º C, derate using Figure 2.
50%
60%
70%
80%
90%
100%
0 m
(0 ft)
1000 m
(3,300 ft)
2000 m
(6,600 ft)
3000 m
(9,900 ft)
4000 m
(13,200 ft)
% of NRU
Rated Amps
at 40 °C
Altitude