Installation
124/293 Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • 802-9081.9
15.6 Installi ng current transformers on the busbar
Installation on 1250 A
busbar
➭ Fasten the retainer on the transformer mounting plate using 4 bolts.
➭ Insert 2 clamping brackets in the openings of the retainer.
➭ Set the current transformers down onto the retainer. Bolt both clamping brackets together
at the top.
Wire routing ➭ Air-insulated metering panel only: Lead the connecting wires of the current transformers
laterally into the operating mechanism compartment and into the low-voltage
compartment through the right wiring duct.
Fig. 83: Installing the current transformers (busbar current 1250 A)
①
Hexagon nut M8 (2x)
②
Flat washer 8 (2x)
③
Bolt M8x35
④
Current transformer
⑤
Clamping bracket (2x)
⑥
Bolt (4x)
⑦
Retainer
Fig. 84: Wire routing (air-insulated metering panel)
①
Vertical wiring duct (only for
connecting wires with steel tube)
②
Low-voltage compartment
③
Right-hand wiring duct
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