Ul Compliance; Connection Tightening Torques - Danfoss VLT FC 322 Instruction Manual

Specifications VLT® Automation VT Drive FC 322 D-Frame Instruction Manual

10.3.3 UL Compliance

380-500 V: The fuses below are suitable for use on a circuit
capable of delivering 100,000 Arms (symmetrical), With the
proper fusing, the drive Short Circuit Current Rating (SCCR)
is 100,000 Arms.
Power
Size Bussman Littelfuse PN Littelfuse Bussmann
PN PN PN
N110 170M2619 LA50QS300-4 L50S-300 FWH-300A
N132 170M2620 LA50QS350-4 L50S-350 FWH-350A
N160 170M2621 LA50QS400-4 L50S-400 FWH-400A
N200 170M4015 LA50QS500-4 L50S-500 FWH-500A
N250 170M4016 LA50QS600-4 L50S-600 FWH-600A
N315 170M4017 LA50QS800-4 L50S-800 FWH-800A
Table 10.3 Alternative Fuse Options

10.3.4 Connection Tightening Torques

When tightening all electrical connections it is very
0 10
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 Bolt size
D1h/D3h Mains
19-40 Nm
Motor
(168-354 in- M10
Load sharing
lbs)
Regen
Earth (Ground) 8.5-20.5 Nm
M8
Brake (75-181 in-lbs)
D2h/D4h Mains
Motor 19-40 Nm
Regen (168-354 in- M10
Load sharing lbs)
Earth (ground)
Brake 8.5-20.5 Nm
M8
(75-181 in-lbs)
Table 10.4 Torque for terminals
10-8 MG21E122 - VLT® is a registered Danfoss trademark
Remote Site Products - 1-888-532-2706 - www.remotesiteproducts.com
http://www.remotesiteproducts.com/p-20776-Danfoss-131X8139-VLT-Automation-VT-Drive-VFD-FC322-230V-20-HP.aspx
Fuse Options
Siba PN Ferraz-Shawmut Ferraz-Shawmut PN Ferraz-Shawmut PN
PN (Europe) (North America)
20 610 A50QS300-4 6,9URD31D08A0315 A070URD31KI0315
31.315
20 610 A50QS350-4 6,9URD31D08A0350 A070URD31KI0350
31.350
20 610 A50QS400-4 6,9URD31D08A0400 A070URD31KI0400
31.400
20 610 A50QS500-4 6,9URD31D08A0550 A070URD31KI0550
31.550
20 610 A50QS600-4 6,9URD31D08A0630 A070URD31KI0630
31.630
20 610 A50QS800-4 6,9URD32D08A0800 A070URD31KI0800
31.800