The DB4B is a high power explosion proof loudspeaker, introduced as a replacement for the current DB4 with improved intelligibility and acoustic performance. Certified for use in a wide range of temperatures from -55ºC to +70ºC.
The DB4B is a high power explosion proof loudspeaker, introduced as a replacement for the current DB4 with improved intelligibility and acoustic performance. Certified for use in a wide range of temperatures (from -55ºC to +70ºC) the Ex enclosure is manufactured from GRP with a rugged thermoplastic flare providing a corrosion free and aesthetically pleasing product.
The frequency response of the unit ensures that critical voice messages and general alarm tones are highly intelligible. The specific SPL figure for sensitivity is 1W @ 1m is 113dB whilst at 1m the 25W unit produces 127dB, the 15W unit 125dB and the 8W unit 123dB.
For more information, please contact us at sales@petro-excel.com.my.
Up to 127dB at 25W / 1m with excellent intelligibility.
ATEX, IECEx, UL, TR CU, CCC, INMETRO, CCOE, SIL 2 & DNV GL.
Certified from -55ºC to +85ºC (depending on version).
Ex d / Ex de IIC/IIIC T3/T4/T5/T6
ATEX, IECEx, UL, TR CU, CCC, INMETRO, CCOE certified
SIL 2 certified
DNV GL type approved (IEC60945)
Certified temperature -55ºC to +85ºC*
IP66 & IP67 / NEMA 4X & 6
Available in 8W, 15W & 25W versions
Up to 124dB at 25W, 1m*
Frequency response 350Hz – 8kHz
GRP Ex enclosure + high impact thermoplastic flare
Stainless steel mounting bracket with ratchet facility
Optional Ex e terminal chamber & swivel bracket
* Depending on version
Contact our team for technical details, pricing, or project support.
sales@petro-excel.com.my