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|Mine Use Switchgear>>1140V Switchgear>>QBC-4*40/600(380)explosion-proof switchgear

|Mine Use Switchgear>>1140V Switchgear>>QBC-4*40/600(380)explosion-proof switchgear

Country/Region china
Company Changzhou LIANLI Technology Co., Ltd
Categories Explosion Proof Switchgear
Update 2011-03-23 10:54:23
ICP License Issued by the Chinese Ministry
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PURPOSE:
QBC-4*40/600(380)mine use explosion-proof switchgear is suitable for underground mines containing explosive gas (methane) and coal dust. It provides direct start/stop control of four individual 3-phase a.c. electric motors with rated power less than 30kW incorporated in a. c. 50HZ, 660V or 380V power supply system, or remote control start/stop of motors. It can also be used for illumination or control of distribution of power supply in conjunction with a dry type transformer.

Characteristics:
Options of local or remote control, rapid door-openinng structure; short circuit protection, overload and leakage protections; Up to 4 control loops; optional capacity; Provision of leakage protection when used in conjunction with leakage relay . Optional built-in FLEX I/O control module for remote control

MAIN TECHNICAL PARAMETERS:

Item
Content
Rated voltage
660/380V
Rated current
4*40A
Controllable unit
4
Flame-proof type
Mine use FLP type ExdI
Control mode
Option of local and remote control
Control power
5-30kW
Outside diameter of inlet cable
Power lines 32-71mm,
Control lines 7-23mm
Overall dimensions /weight
1240*585*820mm/500kg
Protection function
Overload, short-circuit, leakage
Display (indication light)
Power supply indication
Operating circuit indication
Leakage indication
Data communication
Device Net interface


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