Tightening Torques; Maximum Cable Cross Section; Screw Sizes - Danfoss FCM305 56 Instruction Manual

Tightening Torques

Cover (lid) screws:
Plastic cable entrance plugs:
L1, L2, L3 (AC Line) screws (FCM 305-340):
L1, L2, L3 (AC Line) screws (FCM 355-375):
Earth Ground:
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:
o
Use 60 C copper wire or better
Max size AC Line cable (FCM 305-340):
Max size AC Line cable (FCM 355-375):
Max size control cable:
Max size serial communication cable:
Earth Ground:

Screw Sizes

Cover (lid) screws:
Earth Ground and Cable Clamp screws (FCM 305-340):
Earth Ground and Cable Clamp screws (FCM 355-375):
MG.03.B6.2G - VLT is a registered Danfoss trademark
FCM 300 Series
19.5 - 21.2 lb-in (2.2 - 2.4 Nm)
19.5 lb-in (2.2 Nm)
5 - 7 lb-in (0.5 - 0.6 Nm)
15 lb-in (1.2 - 1.5 Nm)
30.1 lb-in (3.4 Nm)
AWG
10
6
16
16
6
M5
M4
M5
mm 2
4.0
10
1.5
1.5
10
6-7