Mining Explosion Proof Switchgear , Vacuum High Voltage Switchgear

Item

Content

Basic data

Rated voltage: 114V; Total of current: 1500A; Frequency: 50HZ

Overall dimensions

3450mm*1210mm*1065mm

Input circuit

4 circuits 400A

Output circuit

11Circuits: of which, three having max operating current of 350A each, and eight circuits, having max working current of 100A each,

14Circuits: max operating current being 350A in 4 circuits each, and max operating current in 10 circuits being 100A each

Drive Unit

11 circuits: Of which, 3 incorporating 400A a.c. vacuum contactors, 8 circuits 160A a.c. vacuum contactors

14Circuits: of which, four incorporating 400A a.c. vacuum contactors, ten circuits, 160A a.c. vacuum contactors

Isolation phase-exchange switch

400A on load

Control and protection

Multi-DPS systems and CAN bus

Protection function

Overload, short circuit, leakage, phase failure, under voltage, overvoltage and back-up protections

Display

Operating mode of 320*240 LCD (in Chinese) module; pilot, status of communication, current and voltage

Display content

Power, insulation resistance value, fault class, fault point, present time and date, frequency of electric network, ambient temperature in the compartment, etc.

Setting of parameters

Keypad operated

Fault alarm

LCD and buzzer

Control mode

Pilot control, programmable control, network control

Auxiliary power source

Voltage: 127V and 220V Capacity: 5kVA

Network interface

RS485

Fault query

More than 60 items of information can be checked