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HONGKONG KOON TECHNOLOGY LTD
ATEX certified explosion proof speaker KNLB-EX15

ATEX certified explosion proof speaker KNLB-EX15

Product catalog summary

Overview: The document provides technical specifications and features of the explosion-proof speaker model KNLB-EX15 by HONGKONG KOON TECHNOLOGY LTD. It highlights the speaker's design, applications, and compliance with safety standards.

Features:

Explosion-proof design certified by TUV ATEX standard.
Constructed from anti-static polyamide in black color.
Waterproof and dustproof with an IP66 rating.
Operational temperature range from -40℃ to +55℃.
360° lossless broadcast capability.
Fixed resistance without a transformer, suitable for public address and paging applications.
Applicable in industries like petroleum, metallurgy, chemical, nuclear power, and more.

ATEX Type and Marking:

II 2GD Ex db eb mb IIC T5 Gb
II 2D Ex tb IIIC T100℃ Db
IP66 -40℃ ≤ Ta ≤ +55℃

Specifications:

Model: KNLB-EX15
Resistance horn with AC Impedance of 8Ω.
Power handling of 15W with a sound pressure level of 108 dB at 1000Hz.
Dimensions: 250(Ø) x 352(L) mm.
Material: Anti-static Polyamide/Black.
Rated frequency range: 300Hz ~ 8000Hz.
Total harmonic distortion: 5% Max at 1KHz 1W.
AC Impedance: 8 ±15% ohm; DC Impedance: 6.4 ±7% ohm.
Weight: 3.7 kg.
Working environment: Temperature -40°C to 55°C, Humidity 45% to 85%.

Packaging:

Unit size: 250(Ø) x 352(L) mm, Weight: 3.7 kg.
Single unit box size: 270x270x390 mm, Weight: 3.7 kg.
Two units in a carton box size: 570x290x420 mm, Weight: 7.8 kg.

Additional Models:

KNLB-Ex5: 5W
KNLB-Ex10: 10W
KNLB-Ex15: 15W
KNLB-Ex30: 30W
KNLB-Ex30Y: 5W/10W/15W/30W

Catalog excerpts

ATEX certified explosion proof speaker KNLB-EX15-1

Explosion-Proof Speakers Model No.: KNLB-EX15 Features 1. Explosion proof speaker design and certified by TUV ATEX standard 2. Material/Colour: Anti-static Polyamide/Black 3. Waterproof rating IP66 dust proof IP66 4. Service temperature range from -40 ℃ to +55℃ 5. For 360° lossless broadcast 6. Fixed resistance KNLB-EX15 without transformer 7. For use public address and paging application 8. Application: Products are widely used in petroleum, metallurgy, chemical industry, sea oil, nuclear power, shipbuilding, tunnels and other projects requiring explosion-proof grade speaker. ATEX Type and Marking II 2GD Ex db eb mb IIC T5 Gb II 2D Ex tb IIIC T100℃ Db IP66 -40℃ ≤ Ta ≤ +55℃ Copyright belongs to HONGKONG KOON TECH

Open the catalog to page 1

ATEX certified explosion proof speaker KNLB-EX15-2

The appearance of the speakers mold is the same, the difference built-in transformer or not Electrical connection: Copyright belongs to HONGKONG KOON TECHNOLOGY LTD

Open the catalog to page 2

ATEX certified explosion proof speaker KNLB-EX15-3

Products Size Packing Unit size: 250（Ø)*352(L)mm Unit G W: 3.7kg 1 pcs in a inside box. Box size: 270x270x390 mm G.W: 3.7KG 2 pcs in a CTN box. CTN box size: 570x290x420 mm G.W:7.8KG Copyright belongs to HONGKONG KOON TECHNOLOGY LTD 3

Open the catalog to page 3

ATEX certified explosion proof speaker KNLB-EX15-4

Installation dimension drawing : More models of explosion-proof speakers are available for customers to purchase Model Number Copyright belongs to HONGKONG KOON TECHNOLOGY LTD

Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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