Annex; Mcu-Mh; (Motor Control Unit - Module Housing); Extract From The Technical Description - Siemens NXPLUS C Installation And Operating Instructions Manual
Fixed-mounted circuit-breaker switchgear up to 38 kv, extendable single busbar, metal-enclosed, gas-insulated
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- Installation and operating instructions manual (172 pages) ,
- Installation and operating instructions manual (293 pages)
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Annex
Application
Fig. 160: MCU-MH in the module housing
①
Identification of terminals of upper plugs
②
Reset pushbutton
③
LED status indicator
④
Serial number in clear text
⑤
Identification of terminals of lower plugs
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Annex
36
MCU-MH (Motor Control Unit - Module Housing)
36.1
Extract from the Technical Description
The following sections are an extract from the Technical Description of the electrical motor
control unit MCU-MH.
The complete Technical Description is available under the order number 953-0071.9.
36.2
Application
The MCU-MH controls the following motor operating mechanisms for three-position switches in
medium-voltage load-break switchgear and circuit-breaker switchgear:
• Spring-operated mechanism
• Spring-operated/stored-energy mechanism
• Slow motion mechanism
The MCU-MH is installed in the module housing on standard DIN rails.
The MCU-MH is equipped with a universal wide voltage range. It can optionally be connected
to different auxiliary and motor voltages. The auxiliary and motor voltages can be combined
and do not necessarily have to be identical.
36.3
Design, function
⑥
Upper module plug -X1.4
⑦
Upper module plug -X1.3
⑧
Lower module plug -X1.2
⑨
Lower module plug -X1.1
Revision 02 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • 806-9004.9
Fig. 161: Dimensions of MCU-MH
(data in mm)
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