Page 30 - YINGMING POWER(HIGH & LOW VOLTAGE SWITCHGEARS)

YINGMING POWER

MNS

LOW-VOLTAGE WITHDRAWABLE
SWITCHGEAR

Overview
This series of low-voltage withdrawable switchgear is a modular cabinet type assembled by factory (FBA) with standard modules, and its technology has
reached the international advanced level.
This series of low-voltage withdrawable switchgear is suitable for power plants, substations, petrochemicals, metallurgical rolling steel, transportation
energy, light industrial textiles and other factories and mines, residential quarters, high-rise buildings and other places, as AC 50~60Hz, rated working
voltage AC 660V and The following power conversion, distribution and control of power distribution equipment of the power system. The device
complies with GB72511 "Low-voltage switch-off equipment" and JB/T9961 "Low-voltage withdrawable switchgear" national professional standards, and
meets the international professional standards such as IEC439-1, VDE0660 and the fifth part.

Model and meaning

M N S □ □

Main circuit scheme number
Auxiliary circuit scheme number
Electrical System
Withdraw
Enclosed switchgear

Use environment

◆ The ambient air temperature is not higher than +40℃ , not lower than -5℃ , and the average temperature within 24 h is not higher than +35℃ ;
◆ Atmospheric conditions: air is clean, relative humidity is not more than 50% at the highest temperature of +40 ℃ , and higher relative humidity is
allowed at lower temperatures, for example, 90% at +20 ℃ , but temperature changes should be considered. , it is possible to accidentally produce
condensation;
◆ The altitude does not exceed 2000m;
◆ The device is suitable for transportation and storage at the following temperatures: between -25℃ and +55℃ , in a short time (not more than 24 h)
up to +70℃ , the device should not be subjected to these extreme temperatures Any unrecoverable damage and should function properly under normal
conditions;
◆ If the above conditions of use cannot be met, it should be resolved by the user and the manufacturer;
◆ When the device is used in offshore oil drilling platforms and nuclear power plants, a separate technical agreement should be signed.

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