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HONGKONG KOON TECHNOLOGY LTD
ATEX certified explosion proof speaker KNLB-EX30Y

ATEX certified explosion proof speaker KNLB-EX30Y

Product catalog summary

Explosion-Proof Speakers Overview
The document provides detailed specifications and features of the explosion-proof speaker model KNLB-EX30Y, manufactured by HONGKONG KOON TECHNOLOGY LTD. These speakers are designed for environments requiring high safety standards, such as petroleum, metallurgy, chemical industries, and more.

Key Features

Certified explosion-proof design according to TUV ATEX standards.
Constructed from anti-static polyamide material, available in black.
Waterproof and dustproof with an IP66 rating.
Operational temperature range from -40°C to +55°C.
Capable of 360° lossless broadcast.
Includes a transformer for public address and paging applications.

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-EX30Y
Resistance horn with AC Impedance of 8Ω.
Power handling adjustable between 5W to 30W.
Sound pressure level of 110 dB at 1W/m at 1000Hz.
Rated frequency range from 300Hz to 8000Hz.
Total harmonic distortion of 5% max at 1kHz 1W.
Speaker weight: 4.0 kg.
Working environment: Temperature -40°C to 55°C, Humidity 45% to 85%.

Product Dimensions and Packaging

Unit size: 250(Ø) x 352(L) mm.
Single unit weight: 4.0 kg.
Packaging: 1 unit per box (270x270x390 mm), 2 units per carton (570x290x420 mm).

Additional Models

Various models available with different power ratings (5W, 10W, 15W, 30W) and built-in audio transformers for specific applications.

Catalog excerpts

ATEX certified explosion proof speaker KNLB-EX30Y-1

Explosion-Proof Speakers Model No.: KNLB-EX30Y 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. Transformer coupled in model KNLB-EX30Y 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

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ATEX certified explosion proof speaker KNLB-EX30Y-2

Electrical connection: fCKNTECH Explosion-proof horn KNLB EX30Y TPS 20 ATEX 106679 0002 S^N: XXXXXXXXXXXX Date: 20XX XX XX HONGKONG KOON TECHNOLOGY LIMITED Room 1001, Block 1, building T3, unit Center, Baoan District. Shenzhen, China WARNING - DO NOT OPEN WHEN AN EXPLOSIVE ATMOSPHERE IS PRESENT USE FASTENERS WITH YfELD STRESS ^ 420 MPa THE SPECIFIC THREAD TYPE AND SIZE OF ENTRY M2 0x1.5 Copyright belongs to HONGKONG KOON TECHNOLOGY LTD

Open the catalog to page 2

ATEX certified explosion proof speaker KNLB-EX30Y-3

Products Size Packing Unit size: 250（Ø)*352(L)mm Unit G W: 4.0kg 1 pcs in a inside box. Box size: 270x270x390 mm G.W: 4.0KG 2 pcs in a CTN box. CTN box size: 570x290x420 mm G.W:8.4KG Copyright belongs to HONGKONG KOON TECHNOLOGY LTD 3

Open the catalog to page 3

ATEX certified explosion proof speaker KNLB-EX30Y-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

All HONGKONG KOON TECHNOLOGY LTD catalogs and technical brochures

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