MAML-02C Series Explosion-proof LED Lighting Fixtures for Hazardous Areas

Product Overview

The MAML-02C Series Explosion-proof Lighting Fixtures are high-performance industrial LED luminaires designed for safe and reliable operation in hazardous environments containing combustible gas and dust. Engineered for demanding industries such as chemical engineering, oil refining, offshore platforms, mining, military facilities, pharmaceuticals, metallurgy, and tunnel pipeline systems, this series delivers stable illumination under extreme conditions while ensuring maximum safety compliance.

Built with advanced explosion-proof technology and durable materials, the MAML-02C series combines energy efficiency, long service life, and exceptional resistance to corrosion, impact, and environmental stress.

Key Features

Explosion-proof Safety Design

The MAML-02C lighting fixtures are certified for use in hazardous locations, including:

• Gas explosive environments: Zone 1, Zone 2

• Dust explosive environments: Zone 21, Zone 22

• Gas groups: IIA, IIB, IIC

• Dust groups: IIA, IIB, IIC

They comply with international explosion-proof standards, ensuring safe operation in high-risk industrial areas.

Rugged Die-cast Aluminum Housing

The enclosure is made of die-cast aluminum alloy (ZL102 material), offering:

• High structural strength

• Excellent corrosion resistance

• Shot-blasting surface treatment

• High-voltage electrostatic powder coating

All exposed fasteners are stainless steel (SS304/SS316), ensuring long-term durability in corrosive environments.

Impact-resistant Optical Design

The transparent cover uses ribbed tempered glass capable of withstanding up to 4J impact force, providing strong protection while maintaining high light transmission and safety performance.

High-Efficiency LED Lighting Performance

• Color temperature: 5500–6500K (standard daylight white)

• High color rendering for improved visibility and reduced eye fatigue

• Optional customized color temperatures available

• Stable luminous output improves operational efficiency in industrial environments

Wide Voltage & Electrical Protection

The fixture supports a wide voltage range of 127–256V AC (50/60Hz), ensuring stable performance under fluctuating power conditions.

Built-in protection features include:

• Short-circuit protection

• Overload protection

• Overvoltage protection

• EMC compliance for electromagnetic compatibility

Emergency Lighting Option

An optional emergency module can be integrated. In the event of power failure, the fixture automatically switches to emergency lighting mode, ensuring continued visibility and safety.

Flexible Installation Methods

Supports both cable and steel conduit wiring. The design includes multiple cable entry options for flexible installation in complex industrial environments.

Structural Advantages

Three-Compartment Thermal Design

The fixture adopts a separated structure design:

• Wiring cavity

• Power supply cavity

• LED light source cavity

This reduces heat accumulation and improves thermal management, significantly extending product lifespan.

Wireless Connection Structure

The connection between the lighting body and wiring cavity uses a wireless connection design, eliminating wiring tangles and simplifying maintenance. Threaded components are interchangeable for flexible configuration.

Quick-Release Wiring Panel

The internal wiring panel adopts a patented quick-removal structure, improving on-site installation efficiency and reducing maintenance time.

Ceiling Wiring Cavity Design

The ceiling-type wiring cavity supports branching installation:

• Maximum 4 cable entry points

• Dual terminal wiring panels

• Reduced need for external junction boxes

• Lower installation cost and simplified wiring layout

Technical Parameters

Explosion Protection Ratings

• Ex db IIC T5 Gb / T4 Gb

• Ex tb IIIC T95°C Db / T130°C Db

• ATEX and IECEx certified equivalents

Protection Level

• IP66 (dust-tight and waterproof)

Operating Temperature Range

• -45°C to +40°C (T5 / T95°C)

• -45°C to +60°C (T4 / T130°C)

Materials

• Housing: Aluminum alloy ZL102

• Surface coating: Electrostatic powder coating (RAL 7090 standard color)

• Transparent cover: Ribbed tempered glass (4J impact resistant)

• Fasteners: Stainless steel SS304 / SS316

LED Components

• LED chips: CREE, OSRAM, Philips Lumileds, Samsung, Nichia, Seoul Semiconductor

• Driver brands: Inventronics, Mean Well, MOSO, etc.

Power Options

30W, 40W, 50W, 60W, 70W, 80W, 90W, 100W, 120W, 150W, 180W

Electrical Specifications

• Power factor: ≥0.98

• Rated voltage: 127–256V AC 50/60Hz

Cable & Wiring

• Cable specification: 3×2.5mm² (armored or rubber cable)

• Cable outer diameter: 10–14mm

• Thread entry: M25×1.5 standard (optional NPT3/4, G3/4)

• Note: Cable glands are supplied separately

Model Specifications Overview

MAML-02C-100 Series (30W–100W)

Compact design suitable for medium industrial lighting needs:

• Dimensions: approx. 225–288 mm range

• Weight: ~3.05–3.2 kg

• Temperature class: T5 / T4

MAML-02C-180 Series (120W–180W)

High-power version for large-area illumination:

• Dimensions: up to 288 mm range

• Weight: ~7.35–7.5 kg

• Designed for heavy-duty industrial lighting applications

Applications

The MAML-02C Series is widely used in:

• Oil and gas extraction platforms

• Chemical processing plants

• Offshore drilling rigs and tankers

• Mining operations

• Pharmaceutical production facilities

• Metallurgical workshops

• Food processing environments

• Military and aerospace facilities

• Tunnel and underground pipeline systems

Advantages Summary

• Certified explosion-proof safety for gas and dust environments

• High-efficiency LED with long service life

• Robust aluminum alloy structure with corrosion resistance

• Wide voltage adaptability for unstable power conditions

• Modular structure for easy installation and maintenance

• Optional emergency lighting for critical safety applications