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

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

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

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