ZEB-K (B) button to switch the safety circuits 
 Switch button switch button switch circuits 
 Use and adapt the range: ZEB-K (B) button to switch the safety circuits (hereinafter referred to as the button switch), mainly used by the inspection of the DLEC1-24 Mine Encapsulation and intrinsically safe electronic horn, DLEC2-50 ~ 250V Mine Encapsulation and intrinsically safe electronic speaker support, the use of explosive gas mixtures in coal mines, but also access to 250V below, the test combined with DC control circuits intrinsically safe, direct and contacts with, for each species have passed the test of intrinsically safe signals, audio, alarm and other equipment to open a certain distance, stop control. Model and meaning: 

 Explosion-proof type and proof mark: 
 1 type of protection: intrinsically safe mine 
 2 Ex mark: Exibl 
 Associated equipment, see Appendix A 3 
 4 button to switch between devices and the associated coal mine with MHYVR4 × 2 communication polyethylene insulated PVC sheathed flexible cable connection, the connection length ≤ 10m 
 Main technical parameters: 
 Maximum working voltage contacts: ≤ 250V DC 
 Contact the maximum operating current: ≤ 1A 
 Power: 250W 
 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 .