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864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06
ATTENTION
Risk of injury! The voltage transformer type 4MU4 has a weight of approx. 60 kg.
➭ Secure the voltage transformer against falling down.
➭ If necessary, transport the voltage transformer with several persons or with suitable aids
(e.g. a supporting rod).
➭ Lower the voltage transformer slowly onto the busbar housing.
Fig. 106: Mounting the voltage transformer
➭ To let excess air out of the plug connection while mounting the voltage transformer, fit a
nylon thread or a cable strap into the inside cone of the voltage transformer mounting plate.
➭ Insert the primary terminal of the voltage transformer slowly into the inside cone of
the mounting plate, pulling the cable strap out at the same time.
➭ Connect the low-voltage plug connector to the voltage transformer.
➭ Fasten the voltage transformer at the panel. To do this, bolt the voltage transformer
uniformly together with the voltage transformer mounting plate using four M8 bolts.
Tightening torque: 30 Nm.
Fig. 107: Fixing the voltage transformer
Installation
①
Cable strap
103/214
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