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7 Electrical Installation
7.1 Connections
7.1.1 Torque Settings
When tightening electrical connections, it is important to use a torque wrench to obtain the correct torque. Torque that is
too low or too high results in a bad electrical connection.
See the torque settings in
.
Frame size
Terminal
Size
Torque nominal [Nm (in-lbs)]
Torque range [Nm (in-lbs)]
D1h/D3h/D5h/D6h
Line power
Motor
Load sharing
Regeneration
M10
29.5 (261)
19–40 (168–354)
Ground
Brake
M8
14.5 (128)
8.5–20.5 (75–181)
D2h/D4h/D7h/D8h
Line power
Motor
Regeneration
Load Sharing
Ground
M10
29.5 (261)
19–40 (168–354)
Brake
M8
8.5–20.5 (75–181)
E
Line power
M10
19.1 (169)
17.7–20.5 (156–182)
Motor
Load Sharing
Ground
Regen
M8
9.5 (85)
8.8–10.3 (78.2–90.8 in-lbs.)
Brake
F
Line power
M10
19.1 (169)
17.7–20.5 (156–182 in-lbs.)
Motor
Load Sharing
Regen:
DC-
DC+
M8
M10
9.5 (85)
19.1 (169)
8.8–10.3 (78.2–90.8)
17.7–20.5 (156–182)
F8-F13 Regen
M10
19.1 (169)
17.7–20.5 (156–182.)
Ground
M8
9.5 (85)
8.8–10.3 (78.2–90.8)
Brake
Table 7.1 Terminal Tightening Torques
Electrical Installation
Design Guide
MG34S222
Danfoss A/S © Rev. 2014-02-10 All rights reserved.
179
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Summary of Contents for VLT AutomationDrive FC 300
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