BOSCH LBC3438/00 ลำโพง EX FLAMEPROOF HORN 37.5/25W.
Bosch LBC 3437/00 and LBC 3438/00 are horn loudspeakers rated at 15 watts and 25 watts respectively, designed for use in hazardous areas where explosive gas-air mixtures are likely to be present.
Suitable for use in all gas groups including hydrogen.
Constructed from strong, fire and corrosion resistant glass reinforced polyester which is chemical resistant and thermally stable.
The LBC3437/00 and LBC3438/00 are weatherproof and rated at IP66 and IP67.
Supplied with stainless steel mounting bracket.
- ATEX approved
- CENELEC compliant
- BASEEFA certified
- Glass reinforced polyester with strong, fire retardant properties
- Reduced maintenance costs
Specs.
Product |
LBC 3437/00 |
LBC 3438/00 |
Maximum power |
22.5W |
37.5W |
Rated power |
15/75/5/4/2/0.8 W |
25/12.5/6/4/2/1 W |
SPL at RP / 1 W (1 kHz, 1 m) |
112 / 100 dB (SPL) |
114 / 100 dB (SPL) |
Effective frequency range (-10 dB) |
420 Hz to 3.5 kHz |
420 Hz to 3.5 kHz |
Opening angle at 1 kHz / 4 kHz (-6 dB) |
160° / 60° |
160° / 60° |
Rated voltage |
100 V |
100 V |
Rated impedance |
667 ohm |
400 ohm |
Dimensions (L x D max)
|
271 x 170 mm / (10.7 x 6.7 in)
|
271 x 170 mm / (10.7 x 6.7 in)
|
Weight |
5 kg (11 lbs) |
5 kg (11 lbs) |