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DC motor - Siemens, s.r.o.

DC motor - Siemens, s.r.o.

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Installation and Assembly<br />

The conductor cross-section that can be connected is determined by the cable lug<br />

size:<br />

Table 3-5 Connection data for terminal box 1XB7<br />

Main terminals Secondary<br />

terminals<br />

Terminal size M16 M6<br />

Tightening torque 83 Nm 4 Nm<br />

Connectable conductor crosssection<br />

6 x 240 mm 2 35 mm 2<br />

Figure 3-2 Connecting main terminals with cable lug<br />

Figure 3-3 Connecting secondary terminals with cable lug<br />

If the fixing elements for connection to busbars were not supplied with the <strong>motor</strong>,<br />

only permissible elements may be used, e.g. in conformance with DIN 43673 –<br />

corrosion-protected hexagon head bolts (strength class at least 5.6) with hexagon<br />

nuts and spring elements (e.g. spring washers according to DIN 128).<br />

Connection without cable lugs<br />

The design of the terminals also allows the connection of finely stranded<br />

conductors without the use of wire end ferrules. Wire end ferrules may only be<br />

used if it is ensured by previous crimping on the conductor that the clamping forces<br />

SIEMENS AG T61160347010001 (DMHO V9)<br />

3-12 Operating instructions 1GG6286-0NA4.-1VV1-Z

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