5.3.3 Short Circuit Current Rating (SCCR)
The Short Circuit Current Rating (SCCR) of the frequency
converters is 100,000 amps at all voltages (380–575 V).
5.3.4 Connection Tightening Torques
When tightening all electrical connections it is very
important to tighten with the correct torque. Too low or
too high torque results in a bad electrical connection. Use
a torque wrench to ensure correct torque. Always use a
torque wrench to tighten the bolts.
Frame
size
Terminal Torque [Nm (in-lbs)] Bolt
size
D1h Mains
Motor
Load sharing
Regen
19-40 (168-354) M10
Earth (Ground)
Brake
8.5-20.5 (75-181) M8
D2h Mains
Motor
Regen
Load sharing
Earth (ground)
19-40 (168-354) M10
Brake 8.5-20.5 (75-181) M8
Table 5.6 Torque for Terminals
Specifications Installation Guide
MG35Q202 Danfoss A/S © 01/2015 All rights reserved. 23
5 5
To Next Page
Loading...
Need help?
General
