Rockwell Automation MV SMC Flex OEM Components - Manual (Page 53)

Appendix
A
1503E-IN001E-EN-P – June 2013
Component Deratings
The components described in this publication may be applied in a wide
variety of situations. Some applications may require component
derating. For example, at altitudes above 1000 m (3300 ft.), the
maximum current and basic impulse level (BIL) are reduced as shown
in Table A.1.
Table A.1 – Component Derating Table
Altitude Rating
Reduce Max.
Continuous Current Rating
by :
Reduce B.I.L.
Withstand Rating
by:
180 A 360 A 600 A
0 to 1,000 m
(0 to 3,300 ft)
— — — —
1,001 to 2,000 m
(3,301 to 6,600 ft)
10 A 10 A 15 A 6.0 kV
2,001 to 3,000 m
(6,601 to 9,900 ft)
20 A 20 A 30 A 12.0 kV
3,001 to 4,000 m
(9,901 to 13,200 ft)
30 A 30 A 45 A 18.0 kV
4,001 to 5,000 m
(13,201 to 16,500 ft)
40 A 40 A 60 A 24.0 kV