5
Electrical installation
Improving the grounding (EMC), HF grounding
Operating Instructions – EDR..71 – 315, EDRN63 – 315
64
5.9.5
EDRE100L – 132, EDRN100L – 132S motors with HF (+LF) grounding
[1]
[2]
[4]
[3]
[5]
[3]
18014402064551947
[1]
Use of tapped hole for lifting eyes
[4]
Ground strap (not included in the deliv-
ery)
[2]
Serrated lock washer DIN 6798
[5]
Hex head screw ISO 4017 M8 × 18,
tightening torque 10 Nm
[3]
Washer ISO 7089/ISO 7090
5.9.6
EDRE160 – 225, EDRN132M – 315 motors with HF (+LF) grounding
[1]
[2]
[4]
[3]
[5]
[3]
9007202821668107
[1]
Use of the tapped holes at the terminal box
[2]
Serrated lock washer DIN 6798
[3]
Washer ISO 7089/ISO 7090
[4]
Ground strap (not included in the delivery)
[5]
• Hex head screw ISO 4017 M8 × 18 (with aluminum terminal boxes of
EDRE160 – 225, EDRN132M – 225 motors), tightening torque 10 Nm
• Hex head screw ISO 4017 M10 × 25 (with gray cast iron terminal boxes of
EDRE160 – 225, EDRN132M – 225 motors), tightening torque 10 Nm
• Hex head screw ISO 4017 M12 x 30 (terminal boxes of EDRN250 – 315 mo-
tors), tightening torque 15.5 Nm
For EDRE160 – 225, EDRN132M – 225 motors with gray cast iron terminal boxes, the
grounding is always pre-installed upon delivery.
25896334/EN – 06/2019