Quick Detail
Place of Origin
HS-CODE
25-
Package & Delivery Lead Time
Detailed Description
A reversible mining flameproof vacuum electromagnetic starter
QBZ-30、60、80、120、200、400N/1140（660、380）V
Scope of application
QBZ series mining flameproof vacuum electromagnetic starter, suitable for methane gas mixture, with explosion danger in the coal mine. In ac 50 hz, rated voltage 1140 v - 400 - a current power supply system. Mainly used in the local or remote control mine three-phase squirrel-cage asynchronous motor, and can be charged with motor stop reversing, suitable for frequent operation not heavy load in the coal mine machinery and equipment.
The main function
The starter protector has leakage atresia, undervoltage, overvoltage, imbalance of three phase, overload, short circuit and various protective functions.
Technical parameters
Type nominal voltage
V The rated working
As currentA , cos Φ = 0.75
Maximum power control motor KW Control back to the
Lk voltage
V Ultimate breaking capacity
A
380V 660V 1140V
QBZ-30N 1140/660/380 30 15 25 45 36 2000（3）
QBZ-60N 60 30 50 90 2000（3）
QBZ-80N 80 40 68 118 2500（3）
QBZ-120N 120 59 103 178 2500（3）
QBZ-200N 200 99 172 296 4500（3）
QBZ-400N 400 200 315 630 8000（3）
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