Rockwell Automation Allen-Bradley 1502 - Page 48

Maintenance 4-19
1502-UM051E-EN-P – June 2013
Table 4.A – Dimension “A” Settings in Inches (millimeters in brackets)
EXISTING NEW ALTITUDE RANGE
ALTITUDE Increase or Decrease Dimension “A” by:
RANGE 0-1000 m 1000-2000 m 2000-3000 m 3000-4000 m 4000-5000 m
0-1000 m N/A +0.073 (1.85) +0.140 (3.56) +0.194 (4.93) +0.246 (6.25)
1000-2000 m -0.073 (-1.85) N/A +0.067 (1.70) +0.121 (3.07) +0.173 (4.39)
2000-3000 m -0.140 (-3.56) -0.067 (-1.70) N/A +0.054 (1.37) +0.106 (2.69)
3000-4000 m -0.194 (-4.93) -0.121 (-3.07) -0.054 (-1.37) N/A +0.052 (1.32)
4000-5000 m -0.246 (-6.25) -0.173 (-4.39) -0.106 (-2.69) -0.052 (-1.32) N/A
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for which it is set up. If functional tests are required, they
must be performed at the proper altitude or in a pressure
chamber which simulates the proper altitude.
A T T E N T I O N
Table 4.B – Contactor Deratings
Altitude Range
Continuous
Current Rating
B.I.L. Withstand
Rating
0-1000 m 800 A 60 kV
1000-2000 m 780 A 54 kV
2000-3000 m 760 A 48 kV
3000-4000 m 740 A 42 kV
4000-5000 m 720 A 36 kV