BAL-127G Flameproof bell sound and light combinations 
 Explosion-proof combination of sound and light combination of light electric bell electric bell ringing 
 One. Application and purpose 
 This series of flameproof electric bell sound and light combination for explosive gas (methane) mixture of the coal mine, in the exchange of 50Hz, voltage 36V or 127V power supply network, the local expression of sound and light signals, or long-distance transmission cautionary information. 
 RBI accepted device, Pull switches, control buttons of the signal, given intermittent or continuous sound, as the signal contact or warning purposes. 
 II. Main Features 
 1, receiving device RBI, Pull switches, control buttons of the signal, given intermittent or continuous sound; 
 2, with improved sound and light signals warning of long-distance transmission of information resolution. 
 III. Main technical parameters 
 Type Rated voltage (V) Rated current (A) AC power supply rated frequency sound radius (m) work system 
 BAL2G-36/150 36 0.9 50Hz 150 short-term work system 
 BAL2G-127/150 127 0.35 50Hz 150 short-term work system 
 Clearly visible within 20m 
 1m/85db, times / min 
 Please contact me: 
 QQ: 62 
 The company also operates: couplers, expanding broadcast telephone, industrial anti-noise telephone, cell phone explosion, HDB-2 Explosion-proof telephones, magnet-type telephones, speakers, explosion of connections around the pipe, threading box, low voltage cable connection box , mining intrinsically safe junction box circuits, high voltage cable boxes, cable boxes communication, DSB explosion-proof motor terminal box, terminal, explosion-proof latch, explosion-proof latch switch, high voltage cable connector, explosion-proof electric hoist button, separate type control button, the button switch, explosion proof fire alarm button, the button switches the safety circuits, relays, communication relays, electromagnetic relays, vacuum contactor, magnetic amplifiers, repeaters, sound and light combination of signal devices, RBI device, pull point devices, bells, bells batter, control transformers, high voltage fuses, detonators, pneumatic frame pillar drill, coal drill, bolt rig, rock drill, DTH drilling rigs and other mining machinery .