This standard specifies the safety performance requirements, test methods and inspection rules for low voltage three phases flameproof induction motor for coal mine. This standard is applicable to motor used in coalmine shaft, rated voltage of 1140V and potential methane explosion (hereinafter referred to as motor).4.10 Entry-device 4.10.1 The seal ring for entry-device shall meet the requirements of GB 3836.1-2000. 4.10.2 The displacement ... 4.11 Junction box 4.11.1 The structure size of junction box shall be convenient for wiring. And a space suitableanbsp;...
|Title||:||MT 451-2011: Translated English PDF of Chinese Standard MT451-2011|
|Publisher||:||www.ChineseStandard.net - 2014-09-22|