Eaton COOPER POWER SERIES - Qd5 Tap-Changer Torque Reguirements

QD5 tap-changer torque requirements
Figure 23. QD5 tap-changer stationary contact torque requirements.
Figure 24. Front drive torque requirements.
30–40 in-lbs
(3.4–4.5 Nm)
4–5 in-lbs
(0.5–0.6 Nm)
180–192 in-lbs
(20.3–21.6 Nm)
12–18 in-lbs
(1.4–2.0 Nm)
Stationary
Contact
Reversing
Stationary
Contact
80–90 in-lbs
(9.0–10.2 Nm)
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QD5 QUIK-DRIVE TAP-CHANGER INSTALLATION AND MAINTENANCE INSTRUCTIONS MN225012EN March 2016