Meggitt vibro-meter VM600 - Page 367

Document reference MAMPS-HW/E HARDWARE MANUAL
Edition 18 - March 2022 VM600 machinery protection system (MPS)
A-5
Temperature derating for the power entry module of a VM600 rack
ENVIRONMENTAL SPECIFICATIONS
5.2 A @ 85°C
0 1020304050607080
Figure A-1: Temperature derating for the power entry module (AC input) of a VM600 rack
Normalised operating current
Ambient operating temperature (°C)
1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1
0
10 A @ 40°C
8.9 A @ 50°C
6.8 A @ 70°C