Model Meaning

Implementation Standard
GB/T3836.1、GB/T3836.2、GB/T3836.3、GB/T3836.9、GB/T3836.31、IEC60079-0、IEC60079-1、IEC60079-7、IEC 60079-18、IEC 60079-31
Feature Showcase
Technical Parameter

| Model and Specifications | Explosion-Proof Marking | Light Source | Luminaire Type | Power (W) | Luminous Flux (lm) | Color Temperature (K) |
|---|---|---|---|---|---|---|
| BED57 | Ex db eb mb IIC T6 Gb, Ex tb IIIC T80°C Db | LED | I | 30, 40, 50, 60 | 3600~7200 | 3000~5700 |
| II | 80, 100, 120 | 8400~14400 | ||||
| III | 120, 150, 160, 180 | 14400~19200 | ||||
| IV | 200, 240, 300 | 21600~28800 | ||||
| V | 400, 480, 600 | 48000~72000 | ||||
| VI | 600, 800 | 72000~96000 |
| Rated Voltage/Frequency | Inlet Thread | Cable Outer Diameter | Protection Rating | Corrosion Resistance Rating |
|---|---|---|---|---|
| AC 220V/50Hz | G3/4" | Φ10~Φ14mm | IP66 | WF1, WF2* |
| Emergency Response Time (s) | Charging Time (h) | Emergency Power (within 100W) | Emergency Power (within 200W) | Emergency Lighting Duration (min) |
|---|---|---|---|---|
| ≤0.3 | 24 | ≤20W | 20W~50W Optional | ≥60min、≥90min Optional |
Light Distribution Curve

Product Features
1. Radiator designed with special die-cast aluminum alloy, featuring high-pressure electrostatic powder coating;
2. Exposed stainless steel fasteners with high corrosion resistance;
3. Separate structures for light source and power supply compartments;
4. Professionally designed optical system with high light utilization, optimized distribution, uniform illumination, and glare-free performance;
5. Maze-type junction box with silicone rubber gasket for secure adhesion and high protection rating;
6. High-strength tempered glass with superior impact resistance, thermal shock tolerance, and high light transmittance;
7. Constant-current power supply with wide voltage input and constant-current output, featuring protection against shunt current, surge, overcurrent, open circuit, short circuit, high temperature, and electromagnetic interference;
8. Power factor cosφ ≥ 0.95;
9. Can be equipped with a modular emergency device based on usage requirements, automatically switching to emergency lighting mode during power supply failure;
10. Cable wiring.








Installation Dimensions

| Power Range (W) | A (mm) | B (mm) | C (mm) | E (mm) | F (mm) |
|---|---|---|---|---|---|
| 30~60 | 280 | 240 | 105±8 | 170 | 123.5 |
| 80~120 | 380 | 340 | 115±8 | 240 | 134 |
| 120~180 | 457 | 416 | 150±8 | 294 | 152 |
| 200~240 | 522 | 480 | 200±8 | 340 | 153 |
| 300 | 210 | ||||
| 400 | 680 | 153 | |||
| 480 | |||||
| 600 | 210 | ||||
| 600 | 1002 | 961 | 680 | ||
| 800 |
Applicable Scope
1. Suitable for Zone 1 and Zone 2 locations in explosive gas environments;
2. Suitable for Class IIA, IIB, and IIC explosive gas environments;
3. Suitable for Zone 21 and Zone 22 locations in explosive dust environments;
4. Suitable for Class IIIA, IIIB, and IIC explosive dust environments;
5. Suitable for temperature classes T1 to T6;
6. Suitable for energy-saving retrofit projects and locations where maintenance or replacement is difficult;
7. Widely used for lighting in petroleum extraction, refining, chemical processing, military manufacturing, textile production, food processing, offshore oil platforms, tankers, and similar facilities.











