BBJ explosion-proof sound and light alarm Yueqing Ko Ming-proof Electric Co., Ltd. 
 A scope of 

 The BBJ explosion-proof sound and light alarm using a dedicated IC design, stable, long life, equipped with ultra-high tone buzzer, full-proof design, and many other features determine that it has a very wide range of use occasions, can be installed in hazardous areas, as well as a variety of alarm and control system. 

 On Hai Ke Ming-explosion-proof electrical Co., Ltd. Main Products: 
 Explosion-proof fan and pipe fittings series: 
 The explosion-proof junction box, explosion-proof threaded box, explosion-proof isolation sealed box, explosion proof flexible connecting pipe, explosion-proof union, explosion-proof fittings, explosion-proof clay series ... explosion-proof axial fans, explosion-proof exhaust fan, explosion shook his head fan, explosion-proof ceiling fans. . 

 Explosion-proof switches and buttons series: 
 Explosion-proof lighting switch, explosion-proof change-over switch, explosion-proof limit switch, explosion-proof float switch, explosion-proof inverted switch, explosion-proof button, explosion-proof control buttons, explosion-proof electric hoist button, explosion-proof explosion-proof control button series and so on ... 

 Second, the performance characteristics 

 BBJ explosion-proof sound and light alarm - shell is made of high quality aluminum alloy precision die-casting molding, surface high-speed blasting, high pressure electrostatic spray, beautiful appearance and good corrosion resistance. 

 BBJ explosion-proof sound and light alarm - the shade is made of tempered glass, exposed fasteners are stainless steel, protective net cover surface dip galvanized after long-term work properly in wet and corrosive environments. 

 BBJ explosion-proof sound and light alarm - light source type for the LED, long life, service life of up to 100,000 hours. 

 The BBJ explosion-proof sound and light alarm - a variety of installation, users need to select the appropriate installation according to the site environment, such as Block, pendant, ceiling installation. 

 Third, the main technical parameters 

 BBJ explosion-proof sound and light alarm - Rated voltage: AC220V 50Hz or DC/AC24V 

 BBJ explosion-proof sound and light alarms - rated current: ≤ 300MA 

 BBJ explosion-proof sound and light alarm - alarm sounds:> 120dB (decibels) 

 BBJ explosion-proof sound and light alarm - Lamp Life: 100,000 hours 

 BBJ explosion-proof sound and light alarm - Explosion-proof mark: ExdIIBT4 

 BBJ explosion-proof sound and light alarm - the shell of protection: IP54 

 BBJ explosion-proof sound and light alarm - the anticorrosive Level: WF1 

 BBJ explosion-proof sound and light alarm - cable diameter: cable diameter: ￠ 7 ~ ￠ 14mm 

 BBJ explosion-proof sound and light alarm - the introduction of the port device thread: G3 / 4 " 

 BBJ explosion-proof sound and light alarm - Dimension: ￠ 175 × 226mm 

 Fourth, the quality assurance 

 BBJ explosion-proof audible and visual alarm in strict accordance with ISO9001: 2000 international quality management system standards for quality control to ensure product quality is higher than the national standards, to fully meet the design requirements, the product of 3.5 years of warranty (lamp warranty for one year), the date of purchase 3.5 years from the product under normal use, any failure by the company responsible for maintenance free. 

 On Hai Ke Ming-explosion-proof electrical Co., Ltd. Main Products: 

 Explosion-proof lamp series: 
 Flameproof explosion-proof fluorescent lamp, LED explosion proof lighting, explosion-proof plastic fluorescent lamp, explosion-proof clean fluorescent lamps, explosion-proof circular fluorescent lamp, Flameproof explosion-proof lights, increased safety explosion-proof light series, etc. ... 

 Explosion-proof electrical series: 
 Explosion-proof operation column, explosion-proof lighting (power) distribution box, explosion-proof power overhaul box, explosion-proof power distribution cabinets, explosion-proof circuit breaker, explosion-proof control buttons, magnetic starter explosion-proof, explosion-proof auto-buck electromagnetic starter boxes, explosion-proof star delta starter box , explosion-proof latches, explosion-proof junction boxes, explosion-proof transformer series, etc. ... 

 Explosion-proof series: 
 Explosion-proof operation column, Explosion-proof light switches, proof and corrosion, the master controller, the proof and corrosion control box Explosion-proof plug device, Explosion-proof junction boxes, explosion-proof electrical series ...