Eaton DS7 Series, Manual

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0 About this Manual
0.8 Units of measurement
DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com
9
0.8 Units of measurement
Every physical dimension included in this manual uses international metric
system units, otherwise known as SI (Système International d’Unités) units.
For the purpose of the equipment’s UL certification, some of these
dimensions are accompanied by their equivalents in imperial units.
Table 1: Unit conversion examples
Designation US-American
designation Imperial unit SI value Conversion value
Length inch 1 in (’’) 25.4 mm 0.0394
Power horsepower 1 HP = 1.014 PS 0.7457 kW 1.341
Moment of torque pound-force inches 1 lbf in 0.113 Nm 8.851
Temperature Fahrenheit 1 °F (T
F
) -17.222 °C (T
C
) T
F
= T
C
× 9/5 + 32
Rotational speed Revolutions per minute 1 rpm 1 min
-1
1
Weight pound 1 lb 0.4536 kg 2.205
Flow rate cubic feed per minute 1 cfm 1.698 m
3
/min 0.5889