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LH3-UC25XS

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LH3-UC25XS

LH3-UC25XS

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A flameproof 25 W horn loudspeaker with a short flare, designed and certified for areas with explosive gas-air mixtures: IECEx, ATEX, US, CSA and CCC. Sturdy, light anti-static polyamide, a 316 stainless steel bracket with ratchet, IP66/67. Scroll down for details.

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  • Brand - BOSCH
BOSCH
BOSCH

Global leader in Public Address, Voice Evacuation and Conference Systems.

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BOSCH
BOSCH

Global leader in Public Address, Voice Evacuation and Conference Systems.

Ex-proof Horn Loudspeaker

LH3-UC25XS

Flameproof horn loudspeaker, short flare, 25W

25 / 15 / 6.5 / 5 / 2.5 / 1.5 W | Anti-static polyamide | 106 dB SPL (1W, 1m) | 380 Hz to 8 kHz | IECEx / ATEX

Bosch LH3-UC25XS Product Highlights

Explore the key capabilities of the Bosch LH3-UC25XS horn loudspeaker.

Hazardous Areas

Certified for gas Zone 1 and dust Zone 21: IECEx, ATEX, US, CSA, CCC.

Anti-Static Polyamide

A sturdy, lightweight anti-static horn, IP66/67.

Short Flare

106 dB at 1 W, up to 118 dB, opening angle 120° / 37°.

Stainless Bracket

316 stainless steel bracket with a ratchet that holds the aim.

Supervision Ready

A wire loop for an optional supervision board; loop-through entry.

-50 °C to +60 °C

Works from -50 °C to +60 °C; six power taps on 100 V.

Key specs

  • Taps 25 / 15 / 6.5 / 5 / 2.5 / 1.5 W (100 V)
  • 118 / 106 dB SPL at 25 W / 1 W (1 kHz, 1 m)
  • 380 Hz to 8 kHz
  • Opening angle 120° / 37° (1 / 4 kHz)
  • 144 x 170 x 207 mm, 2.37 kg
  • Anti-static polyamide horn
  • 316 stainless steel bracket, ratchet
  • M20 Ex cable gland, loop-through hole
  • IP66/67, -50 °C to +60 °C
  • Black RAL 9005
  • IECEx / ATEX II 2G Ex db eb mb IIB+H2 T4 Gb, II 2D Ex tb IIIC T105 °C Db
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Technical specifications

Electrical

Rated power (PHC)

25 W

Rated power

25 / 15 / 6.5 / 5 / 2.5 / 1.5 W

Sound pressure level at rated power / 1 W (1 kHz, 1 m)

118 dB / 106 dB

Opening angle at 1 kHz/ 4 kHz (- 6 dB)

120 / 37 degrees

Effective frequency range (-10 dB)

380 Hz to 8000 Hz

Rated voltage

100 V

Rated impedance

400 ohm

Electrical connection

2 x 6 pole push terminal

Acceptable wire gauge

0.5 mm - 2.5 mm2 (AWG 20-12)

Mechanical

Material horn

Polyamide (PA)

Material bracket

Stainless Steel (Grade 316)

Dimensions (H x W x D)

144 x 170 x 207 mm

(5.66 x 6.69 x 8.15 in)

Weight

2.37 kg (5.22 lb)

Color

Black (RAL 9005)

Cable gland (standard supplied)

M20 Polyamide (PA)

Cable diameter

11 mm to 14 mm (0.43 in to 0.55 in)

Environmental

Operating temperature

-50 ºC to +60 ºC (-58 ºF to +140 ºF)

Storage temperature

-40 ºC to +70 ºC (-40 ºF to +158 ºF)

Relative humidity

<95%
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