Mine explosion-proof lighting transformer 127V
ZBZ-4.0/1140(660)M
Application:
This device is suitable for underground coal mine containing coal dust and explosive gas (methane). It can control the power supply of 127V grade lighting signal equipment, and the power supply is introduced as 50 Hz 1140V or 660V.
The device has the functions of microcomputer monitoring and intelligent protection. The intelligent integrated protector takes high-performance single chip microcomputer as the core, adopts military grade peripheral chips and high-performance precision converter. Through modular hardware design and unique software algorithm, it has strong anti-interference ability, reliable action and high sensitivity of protection. It has good man-machine interaction interface, Chinese LCD display, menu operation, password authorization, anti misoperation, query and modification, fault memory and other functions. It has standard Modbus communication protocol, which is convenient for docking and monitoring with other automation equipment.
Technical advantages and functional features:
1.Quick door openning structure:
2.It can voltage conversion,no need to pull out the dry transformer change;
3.With short circuit,leakage,leakage blocking protection function and insulation monitoring function.
Main technical parameters
Rated capacity:KVA
Rated voltage(V):1140.660/127
Rated current(A):2.02,3.49/17.36
Allow the temperature rise:75 ºC
Contact us
Audited Supplier 
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