ZBZ-2.5,4.0MX(BAZ2) series mining explosion-proof lighting signal comprehensive deviceDetailed product description：

BAZ2-2.5 Explosion proof Lighting Transformer Integrated Device

The ZBZ-2.5,4.0MX (BAZ2) series mining explosion-proof lighting signal comprehensive device is suitable for underground coal mines with explosive gas mixtures (methane) and coal dust. It is used for power control of lighting and signal loads in a 127V power supply network, and has functions such as short circuit protection, leakage lockout, leakage action, and cable insulation hazard indication.

Model meaning


Technical parameters of ZBZ-2.5,4.0MX (BAZ2) series mining explosion-proof lighting signal comprehensive device

model	Table 1 Main Transformer Parameters
	Rated capacity	Rated voltage V	Rated power A	wiring method	Allow temperature rise K	insulation class
ZBZ（MX）	two point five	660/380（133）	2.19, 3.79,/10.85	Y.△/Y	eighty-five	B
	four	660/380（133）	3.79, 5.8/17.36	Y.△/Y	eighty-five	B

Cable cross-section mm2	Table 2 Protection Distance of Lighting Short Circuit Protection Parametersm
	ZBZ-4.0MX current setting value 18A	ZBZ-2.5MX current setting value 11A
six	seven hundred and fifty	one thousand and one hundred
four	four hundred and fifty	six hundred and fifty
two point five	two hundred and fifty	four hundred and fifty
one point five	one hundred and fifty	three hundred
one	one hundred	two hundred