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Kjz-800/1140 Mine-Used Flameproof and I. S. Vacuum Feed Switch, Soft Starter

US$1,830.00 2 Pieces (MOQ)
Port:
Qingdao, China
Production Capacity:
1000
Payment Terms:
L/C, T/T
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Jiyuan Coal High Voltage Switch Co., Ltd.

Henan, China

Last Login Date:

Mar 23, 2023

Main Products:

Switch, Electromagnetic Starter, Power Distribution Equipment, Frequency Converter, Reactor, Hydraulic Prop, high Voltage Soft Starter

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Product Description

Company Info

Basic Info.

Model NO.
Kjz-800/1140
1140V 660V
800A
Trademark
JG
Transport Package
Pallet
Specification
SGS
Origin
Jiyuan, Henan
HS Code
8537209000

Product Description

(one) Application
KJZ-800/1140Mine-used Flameproof and I.S. Vacuum Feed Switch is suitable for underground coal mines with explosive gases such as methane. It can be used as the main switch or branch switch for the 3-phase neutral-point ungroundedpower supply system which is at 50 Hz, rated voltage 1140 V (660 V), rated current up to 1000 A. It also can be used for infrequent startup control of large-capacity motors. It can cut off the power supply automatically when any fault occurs such as overload, short circuit, phase loss or leakage. As a main switch, it has a 3-phase symmetrical leakage locking protection function. As a branch switch, it has selective leakage protection and leakage locking protection functions. It has over-current protection with inverse time characteristics, and it has large-current non-voltage release protection for proximal outlet short-circuit. It is a protection device suitable for wide use in the coal mine industry.
(two) Technical Parameters
 
 
Rated Working VoltageAC1140V,660V
Industrial Frequency Withstand Voltage4200V/1min
Rated Frequency50Hz
Rated Current1000A 800A630A 500A400A 200A
Ultimate Breaking Capacity30000A15000A7500A
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