8.4 Connection Tightening Torques
Make sure to use the right torques when tightening all electrical connections. Too low or too high torque may cause
electrical connection problems. Use a torque wrench to ensure that correct torques are applied.
Enclosure
size
Power [kW (hp)]
Torque [Nm (in-lb)]
Mains Motor
DC
connection
Brake Ground Control Relay
J1
0.37–2.2
(0.5–3)
0.8 (7.1) 0.8 (7.1) 0.8 (7.1) 0.8 (7.1) 3 (26.6) 0.44 (3.89) 0.5 (4.4)
J2
3.0–5.5
(4–7.5)
0.8 (7.1) 0.8 (7.1) 0.8 (7.1) 0.8 (7.1) 3 (26.6) 0.44 (3.89) 0.5 (4.4)
J3 7.5 (10) 0.8 (7.1) 0.8 (7.1) 0.8 (7.1) 0.8 (7.1) 3 (26.6) 0.44 (3.89) 0.5 (4.4)
J4
11–15
(15–20)
1.2 (10.6) 1.2 (10.6) 1.2 (10.6) 1.2 (10.6) 1.6 (14.2) 0.44 (3.89) 0.5 (4.4)
J5
18.5–22
(25–30)
1.2 (10.6) 1.2 (10.6) 1.2 (10.6) 1.2 (10.6) 1.6 (14.2) 0.44 (3.89) 0.5 (4.4)
J6
30–45
(40–60)
3.5 (31.0) 3.5 (31.0) 3.5 (31.0) – 1.6 (14.2) 0.44 (3.89) 0.5 (4.4)
J7 55 (75) 12 (106.2) 12 (106.2) 12 (106.2) – 1.6 (14.2) 0.44 (3.89) 0.5 (4.4)
J7 75 (100) 14 (123.9) 14 (123.9) 14 (123.9) – 1.6 (14.2) 0.44 (3.89) 0.5 (4.4)
Table 8.5 Tightening Torques
Specications Quick Guide
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