Eaton’s MEDC DB4BM Loudspeaker range is designed for use in potentially explosive gas and dust atmospheres. Suitable for marine and both onshore and offshore environments in the oil, gas, and petrochemical industries.
A high-power, explosion proof loudspeaker, the DB4BM is a metallic version of the DB4B with market-leading intelligibility and excellent acoustic performance. Certified for use in a wide range of temperatures (from -60°C to +85°C). The Ex-enclosure is manufactured in marine grade alloy or stainless steel 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 108dB whilst at 1m the 25W unit produces 119dB, the 15W unit 117dB and the 8W unit 114dB.
Design features
- UKEX / ATEX / IECEx certifed
- Ex enclosure – manufactured in either marine grade alloy or stainless steel
- Flare – flame retardant, high impact, thermoplastic polyester
- Bracket, fixings and captive cover screws: 316 stainless steel
- Certified temperature -60ºC to +85ºC
- 8W, 15W & 25W versions
- Robust and corrosion resistant
Standard materials
- Ex enclosure: either marine grade alloy or stainless steel
- Flare – flame retardant, high impact, thermoplastic polyester
- Bracket, fixings and captive cover screws: 316 stainless steel
