Scope and Application
BAL1-36、 The 127/150 series mining explosion-proof continuous striking electric bell (hereinafter referred to as the electric bell) is suitable for various signal systems in coal mines with explosive gas mixtures of methane and coal dust. It is used as an audio signal to receive electrical signals, express attention or execute signals. It can also be used in factories with similar explosive hazardous gases.

This series of electric bells is designed, manufactured, and inspected in accordance with standards such as MT428-1995 "Explosion proof type electric bells for coal mines", GB3836.1-2000 "Electrical equipment for explosive gas environments - Part 1: General requirements", and GB3836.2-2000 "Electrical equipment for explosive gas environments - Part 2: Explosion proof type" d ".  

BAD1-36、 The 127/150 series mining explosion-proof single click electric bell is suitable for various signal systems in coal mines with methane and coal dust explosive gas mixtures. It serves as an audio signal for receiving electrical signals and expressing various information through audio frequency. It can also be used in factories with similar explosive hazardous gases.  

BAL1(BAD1)-36, The 127/150 series mining explosion-proof interlocking (single click) electric bell is designed, manufactured, and inspected in accordance with standards such as MT428-1995 "Explosion proof Electric Bells for Coal Mines", GB3836.1-2000 "Electrical Equipment for Explosive Gas Environments Part 1: General Requirements", and GB3836.2-2000 "Electrical Equipment for Explosive Gas Environments Part 2: Explosion proof Type" d ".

Model meaning



Structural Overview
The electric bell is mainly composed of a housing, an upper cover, an electromagnetic system, vibrating components, a bell bowl, a terminal block, a compression nut, etc. The shell material of the electric bell is HT250 gray cast iron, and the bell bowl material is TBMn5 white cast iron.

Main technical parameters

BAL1(BAD1)-36、 127/150 series mining explosion-proof continuous strike (click) electric bell