Ex Beacon Light and Sounder Horn Speaker Siren IECEx ATEX Hazardous Area Zone 1,2
Ex Beacon Light and Sounder Horn Speaker Siren IECEx ATEX Hazardous Area Zone 1,2
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Explosion-Proof Light and Bell Combination – SH5 & ExLB Series | Zone 1 & Zone 2 Rated
Boost safety and visibility in hazardous environments with our Explosion-Proof Light and Bell Combination Unit, engineered for high-risk zones such as petrochemical plants, offshore oil & gas platforms, FPSOs, LNG facilities, and tankers. This dual-function device combines the powerful SH5 series explosion-proof alarm bell with the ExLB series explosion-proof status indicator light, offering unmatched reliability and performance in Zone 1 and Zone 2 applications.
Key Features:
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Explosion-Proof Certified (EPL: Ex db IIC T6 Gb) – Built to operate safely in flammable and explosive atmospheres.
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High Sound Output – Up to 113.6dB at 1 meter with 28 sound tones and customizable options, ideal for noisy industrial environments.
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Versatile Light Source – Choice of Xenon or LED lights for high visibility alerting.
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316L Stainless Steel or GRP Housing – Corrosion-resistant and suitable for harsh marine and industrial conditions.
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AC/DC Power Options – Compatible with 24VDC or 220VAC input for flexible installation.
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Wide Temperature Range – Reliable performance from -40℃ to 60℃.Remote
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Activation via Phone – For convenient control in critical situations.
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2-Way Sound Source Switching – Adaptable to your alerting needs.

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Shipping
We aim to process and get your delivery with you as quick as possible -
Shipping rates and delivery times are calculated at checkout.
Guarantee
We aim to provide you with the best quality products, if for an unfortunate product defect we have a 14 day money back return guarantee.
Warranty
• 1 year warranty from the date of purchase.
• Invoice or shipment bill is required to claim the warranty.
• The warranty policy only requires manufacturer to repair the defective product or send substitute for replacement.
• Installation labour, electricity cost and other related cost will not be covered by the manufacturer warranty policy.
• Warranty doesn't cover the defect caused by inappropriate use, especially if directions of the instructions for use are not observed, normal abrasion as well as failures which affect the value or use of the product insignificantly.
Please see our returns policy for more information.
Calibration
To ensure you keep up to date with your metrology requirements, by adding the traceable standards calibration test report certificate.
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Hazardous Area Certified
Certification
- IECEx BAS 20.0086X
- ATEX:SGS20ATEX0183X
Equipment Protection Level
- Ex db IIC T4-T6 Gb
- Ex tb IIIC T85-135°C Db IP66/IP67
- Ex db eb IIC T4-T6 Gb
- Ex tb IIIC T85-135°C Db IP66/IP67
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FEATURES
- Sound pressure up to113.6dBA
- Dual channel audio source
- PABX initiation (optional)
- Voice prompt function
- Status monitoring function
- 316L stainless steel housing
- Horn made of PC/316L stainless steel material
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Configurations
Physical properties
- Horn material PC/316L stainless steel material
- Ingress protection IP66/IP67
- Cable entry * 2* (Threaded specifications: M20x1.5/ M25x1.5/NPT1/2"/ NPT3/4")
- Weight ≤6kg
Electrical properties
- Tones 32 tones / Customizable
- Audio channels 2 channels
- Rated power 12W
- Sound pressure 113.6 dBA SPL (1W/1m)
- Power supply 24Vdc/100-120Vac/220-240Va
Applications
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Petrochemical Facilities
Use Case:
This light and bell combination is used to:
Trigger evacuation or lockdown procedures during gas leaks or fire risks
Alert staff of abnormal process conditions or emergency shutdowns
Provide visual/audible confirmation of system testing or maintenance alerts
Benefit:
Instant visibility and loud sound output in noisy, vapor-prone zones, where traditional alarms might fail or pose a spark risk. -
LNG (Liquefied Natural Gas) Facilities
Use Case:
Used in compressor areas, loading arms, vaporizers, and tank zones
Warns operators during leaks, tank overfilling, and system faults
Integrated into Distributed Control Systems (DCS) for real-time triggering
Benefit:
Operates reliably in -40°C conditions, with Xenon/LED options to pierce through fog, steam, or poor visibility environments. -
Chemical & Oil Tankers
Use Case:
Located in pump rooms, cargo holds, and control stations
Provides early warning for pressure surges, leaks, or emergency stops
Triggered from bridge or control room using phone activation feature
Benefit:
Delivers high-decibel alerts and strong visual signals, ensuring fast crew response even in hazardous marine conditions.

Overview
In high-risk industrial environments, reliable and rugged alarm systems are a non-negotiable component of safety and operational efficiency. The Explosion-Proof Light and Bell Combination Unit, featuring the SH5 series alarm bell and ExLB series status indicator light, is purpose-built to deliver visual and audible alerts in Zone 1 and Zone 2 hazardous locations.
Whether you’re operating in petrochemical refineries, offshore platforms, LNG plants, or tankers, this robust signaling solution ensures that workers are promptly warned of emergencies, equipment issues, or operational alerts—even in the harshest conditions.

Why Choose Our Explosion-Proof Alarm Light and Bell?
When seconds count, your alarm system should never fail. Our product merges advanced engineering, rugged construction, and user-friendly features, making it the top choice for demanding industrial environments.
- Built for durability
- Easy to install with stainless steel base
- Suitable for high-noise and low-visibility conditions
- Designed to reduce false alarms while ensuring immediate alerting
- Fully customizable tones and visual indicators for specific site needs
Introduction to Apexio Industrial
Contact form
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Pre & Post After Sales Support
After Sales Support
We offer after sales support on all our products including
- Installation
- Configuration
- Maintenance
- Repair
- Calibration
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Installation and Maintenance
Proper installation and routine maintenance are essential for optimal performance. Considerations include:
- Zoning and certification
- Strategic height and orientation for maximum sound dispersion
- Corrosion, dust buildup, or wiring damage
- Function testing in accordance with regulatory requirements
- Zoning and certification
Our Core Values
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UNPARALLELED SUCCESS
We embrace every challenge as a team with our expertise, and have a proven track record of success when we collaborate.
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WORK SMARTER NOT HARDER
In order to do great work, we need knowledgeable, well-trained individuals, combined with automation. We are dedicated to not only providing our team with top-notch training, but also world-class equipment to ensure we’re stay at the cutting edge of the industry.
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TAKE PRIDE
Since the beginning, we have always believed in the quality and longevity of the products we sell and service we provide, and are proud to offer our expertise to all industries.