Kjz-630 (500) /1140 (660) Mining Explosion-Proof Vacuum Feeder Switch
|FOB Price:||US $2,500 / Piece|
|Min. Order:||1 Piece|
|Min. Order||FOB Price|
|1 Piece||US $2,500/ Piece|
|Transport Package:||Standard Export Packing|
|Payment Terms:||L/C, T/T, D/P, O/A|
- Model NO.: KJZ
- Origin: Zhejiang, China
- Trademark: CNC
This mining explosion-proof type vacuum feeder switch is mainly used as low-voltage feeder switch for mobile substation(after the cover board is opened, it is oppositely connected with dry transformer) or main switch or branch switch in AC 50Hz power distribution system of indirect neutral-point earthling with voltage of 1140V or 660V and current of 630A or 500A in underground coalmines with explosive and dangerous gas (methane) and coal dust and it is also made as big capacity motor of non-frequent start.
Blue screen real-time display for parameters like voltage, current, insulating value and switching-on times etc.
Standard RS485/232 communication interface.
Multiple protective functions for overload, short circuit, loss of phase, electric leakage, leakage lockout, over voltage, under voltage etc.
Function of fan and power supply lockout, gas lockout, high-voltage electric interlock.
Rated voltage(V): 1140/660
Rated current(A): 630/500
Limited making and breaking capacity(kA): 12.5/15/9