Siemens 8DB10 Installation And Operating Instructions Manual page 76

Extendable fixed-mounted circuit-breaker switchgear up to 40.5 kv
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Installation
76/214
➭ For flange connections with compensator, insulating sleeves must be inserted at
the bolted joints.
Fig. 69:
Flange connection with
compensator and insulating sleeve
➭ Flange connections with insulating joint: Push insulating ring between the flanges.
Fasten M8x45 bolts crosswise with one insulating sleeve each. Tightening torque: 20 Nm.
Fig. 70:
Long busbar housing with insulating joint
➭ If there are e. g. busbar current transformers or expansion joints available,
the flange connections must be equipped with insulating sleeves.
Fig. 71:
Flange connections with
insulating sleeve
Revision 06 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • 864-5091.9
Insulating sleeve
Busbar housing
Insulating ring (thickness: 18 mm)
Toroidal sealing rings
Compensator
Busbar housing
Toroidal sealing ring
Insulating ring (thickness: 4 mm)
with sealing ring
Current transformer mounting plate
Flange
Insulating ring
Compensator
Insulating sleeve

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