BBJ Series Explosion Proof Audible and Visual Alarm (IIC, tD)


BBJ Series   Explosion Proof Audible and Visual Alarm (IIC, tD)


  • Designed for explosive atmospheres Zone 1 and Zone 2;
  • Designed for combustible dust Zone 21 and Zone 22;
  • Designed for IIA, IIB and IIC groups explosive atmospheres;
  • Designed for temperature classifications T1~T6;
  • Designed for explosive hazardous locations such as oil refinery, storage, chemical, pharmaceuticals, military industries, etc.
  • Designed for signal alarming and indication;
  • LED lamp is with low power consumption, long service life and free maintenance;
  • Sound intensity reaches to 90dB.


Model Code

BBJ – [] [] [] []

[] – J: Static; S: Flashing

[] – Mounting types (g1: pendant; g2: pendant; g3: pendant; b: wall; z: pedestal)

[] – Signal Color (R: red; Y: yellow; B: blue; G: green)

[] – Rated voltage (AC36/110/220V; DC12/24/36V)

BBJ – Explosion proof audible and visual alarm

Ordering References

  • S Flashing: the beacons will turn clockwise or counter clockwise after light sources on.
  • J Static: on and off alternately after light source on.
  • The working model can be made as per request please indicate when have request.
  • Please indicate when have special request.
  • For example: If need static type explosion proof audible and visual alarm, rated voltage 110V, signal shall be “AC110Rg3J”.


  • Enclosure is die casted of aluminum alloy with high voltage electrostatic powder coated surface after shot blasting;
  • Smart structure with aesthetic appearance;
  • Compound explosion protection types ensures the explosion proof property;
  • Transparent cover is injected of engineering plastic with good impact resistance;
  • Signal colors: red, yellow, blue, green;
  • Special sealing structure ensures ingress protection to reach IP66;
  • Various mounting methods is suitable for different sites (refer the picture);
  • Exposed fasteners are of stainless steel with high corrosion resistance property;
  • Steel pipe or cable wiring.

Technical Parameters

  • Compliance with: GB 3836.1, GB 3836.2, GB 3836.3, GB 3836.4, GB 12476.1, GB 12476.5, IEC60079-0, IEC60079-1, IEC60079-7, IEC60079-11, IEC 61241-0, IEC 61241-1;
  • Explosion protection: Ex de ib IIC T6 Gb/Ex tD A21 IP66 T80°C;
  • Rated voltage: AC 36/110/220V, DC 12/24/36V;
  • Lamp: LED;
  • Lamp power: ≤2.5W;
  • Rated power: ≤5W;
  • Sound intensity: ≥ 90 dB;
  • Strobe frequency: 150times/min;
  • Ingress protection: IP66;
  • Corrosion resistance: WF1;
  • Cable entries: G1/2″, G3/4″ (pendant 3);
  • Cable outer diameters: Φ6mm~Φ10mm, Φ9mm~Φ14mm(pendant 3).

Outline and Mounting Dimensions


No. Description Remarks
1 Pedestal mounting support
2 Wall type support
3 Explosion proof junction box AH-G3/4 (IIC) Equipped by user
4 Straight pipe G3/4x300mm Equipped by user
5 Explosion proof union BHJ-B (G3/4F G1/2M) Equipped by user
6 Clamp G3/4
7 Explosion proof flexible conduit NGd-15x500B(G3/4F-G1/2M) Equipped by user
8 Explosion proof union BHJ-G3/4B Equipped by user