JY82-2/3 Mining explosion-proof leak detection relayDetailed product description：

·Scope and Application

JYB82-2/3 mining explosion-proof leak detection relay is suitable for underground coal mines with explosive gas mixtures (methane) and coal dust. In a three-phase neutral point insulated power supply network with AC 50Hz and voltage of 660V or 380V, it cooperates with the main feeder switch to achieve one pole leakage protection or two pole selective leakage protection, to prevent personal electric shock accidents and limit the expansion of other accidents caused by leakage.

·Model and meaning



·Main technical parameters of JY82-2/3 mining explosion-proof leak detection relay:

Model, Specifications	Network voltage （V）	Action resistance value （kΩ）	Single phase grounding action time of 1k Ω		Compensated single-phase 1k Ω Maximum ground current mA for resistor grounding
			No delay ms	Add delay ms
JY82	three hundred and eighty	three point five	≤50	300-400	≤120
	six hundred and sixty	eleven

Note: a. The network distribution capacitance of the ground current after compensation is pseudo. 1 microfarad/per phase to ground;
b. The contact group of the relay in the product can switch on and off 1 ampere current in a network with a voltage of 60V, frequency of 50Hz, and COS φ pseudo. 4.