Danfoss FCM305 56 User Manual

FCM 300 Series
MG.03.B6.2G - VLT is a registered Danfoss trademark
Installation
Tightening Torques
Cover (lid) screws: 19.5 - 21.2 lb-in (2.2 - 2.4 Nm)
Plastic cable entrance plugs: 19.5 lb-in (2.2 Nm)
L1, L2, L3 (AC Line) screws (FCM 305-340): 5 - 7 lb-in (0.5 - 0.6 Nm)
L1, L2, L3 (AC Line) screws (FCM 355-375): 15 lb-in (1.2 - 1.5 Nm)
Earth Ground: 30.1 lb-in (3.4 Nm)
Terminal screws require a max 2.5 mm flat-blade screwdriver.
AC Line screws require a 8mm flat-blade screwdriver.
Earth ground and cable clamp screws all require T-20 Torx or flat-blade screwdriver.
Lid screws require Philips screwdriver.
Maximum Cable Cross Section
Note:
Use
o
60 C copper wire or better
AWG mm
2
Max size AC Line cable (FCM 305-340): 10 4.0
Max size AC Line cable (FCM 355-375): 6 10
Max size control cable: 16 1.5
Max size serial communication cable: 16 1.5
Earth Ground: 6 10
Screw Sizes
Cover (lid) screws: M5
Earth Ground and Cable Clamp screws (FCM 305-340): M4
Earth Ground and Cable Clamp screws (FCM 355-375): M5
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Danfoss FCM305 56 Specifications

General

Brand	Danfoss
Model	FCM305 56
Category	Controller
Language	English