GX-1 type of coal mine explosion-proof Pull Signal Switch 
 Signal Switch Signal Switch Pull Switch 
 First, the application and product features 
 Applicable to gas and coal dust explosion hazards in the coal mine signaling system, as the low pressure switch to control a small bell or other sound signal device. 
 Second, the main technical characteristics 
 Rated voltage (V): 127 Rated Current (A): 4.5 
 Contact life (million): 100 Maximum cable diameter (mm): ф10.5 
 Dimensions (L × W × H mm): 230 × 150 × 150 
 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 .