Tightening torques for cover screw connections and cable glands
The opening cutouts for the cable glands are closed with plugs.
In the case of the blower terminal box, the opening is only arranged on one
side. If required, the terminal box can be rotated step by step by 90 ° after
loosening the screws in the terminal box.
1
2
Cover screw connections, position 1
Thread diameter
M4
M5
M6
Tightening torques ±10 %
Nm
2.2
3.5
4.5
Cable glands, position 2
Cable glands
M12x1.5
M16x1.5
M20x1.5
M25x1.5
M32x1.5
M40x1.5
M50x1.5
Tightening torques ±10 %
Plastics
Nm
0.7
1.0
1.0
2.5
3.0
3.0
3.0
Metal
Nm
3.0
3.0
4.0
6.0
8.0
10
14
Tightening torques for tightening bolts and PE screw
1
1
1
2. Grounding point at the motor
Tightening bolt, position 1
Motor
m550-H/P63 ... 80
m550-P90 ... 112
m550-P132 ... 160
m550-P180
Tightening torques ±10 %
Nm
1.5
2.0
3.5
6.0
PE screw
Thread diameter
M4
M5
Tightening torques ±10 %
Nm
2.5
3.5
Electrical installation
Motor connection
Connection via terminal box
25