Connection Tightening Torques - Danfoss VLT AutomationDrive FC 300 Instruction Manual

Specifications
2)
Must use Class J or L branch fuses for UL approval. 450 A max fuse
size for D6h and 600 A max fuse size for D8h.

10.3.4 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
D1h/D3h Line power
Motor
Load sharing
Regen
Ground
Brake
D2h/D4h Line power
Motor
Regen
Load sharing
Ground
Brake
Table 10.10 Torque for Terminals
10 10
10-10
®
VLT Automation Drive D-Frame
Instruction Manual
Torque [Nm (in-lbs)] Bolt size
19-40 (168-354) M10
8.5–20.5 (75-181) M8
19-40 (168-354) M10
8.5–20.5 (75-181) M8
®
MG34U222 - VLT is a registered Danfoss trademark