1. Product Overview

The document presents technical specifications and features of explosion-proof LED mining tunnel lights and compatible junction boxes designed for hazardous environments such as mining tunnels and industrial plants.

2. Explosion-proof Mining Tunnel Lights

Models and Mounting Options

• Models include DGS20/127L(C)-P/S, DGS30/127L(C)-P/S, DGS45/127L(C)-P/S, and DGC30/127L(A).
• Mounting types: Ring mounting (hole diameter 25mm) and Wall mounting with bracket.
• Mounting height ranges from 2 to 6 meters.

Technical Specifications

• Rated wattages: 20W, 30W, 45W, 50W, 70W, 100W depending on model and mounting.
• Light output ranges from 1800 to 3400 lumens.
• Light efficiency: Approximately 100 lm/W, offering 60% energy savings compared to Metal Halide lamps.
• Input voltage: Universal AC-DC 90-264VAC, 50/60Hz.
• Power factor: Above 0.98.
• Color temperature options: 3000K, 4000K, 5000K (default 5000K).
• Color Rendering Index (CRI): Ra 70 (80 optional).
• Lifetime: 50,000 hours.
• Operating temperature range: -20°C to 40°C.
• Weight: Approximately 4.4 kg.
• Dimensions: Approximately φ200×218 mm.

Material and Construction

• Housing made of 304 stainless steel with anti-corrosive treatment suitable for harsh industrial environments.
• High conductivity materials used to enhance convection cooling for long-term high-temperature operation.
• Optoelectronic integrated technology ensures no dark spots or ghosting.
• Independent wiring chamber for safe and easy installation and maintenance.

Safety and Certification

• Explosion-proof rating: Ex d I Mb.
• Approved for use in tunnels with hazardous explosive methane gas mixtures.

Light Distribution

• Light distribution curves provided for angles from 0° to 105°, showing intensity in cd/1000lm.

3. Explosion-proof Junction Boxes (BHD Series)

Models and Features

• Models: BHD01A, BHD01B, BHD02.
• Designed for use in explosion hazardous areas such as petrochemical, chemical, pharmaceutical, and polishing plants.
• Small volume, lightweight, and easy installation.
• Shell made of 304 stainless steel with advanced anti-corrosion surface treatment.

Technical Specifications

• Rated current: <20A.
• Input voltage: ≤500V.
• Rated frequency: 50/60Hz.
• Cable entry options: G3/4", M25×1.5, M20×1.5, NPT3/4", NPT1/2".
• Cable section range: 0.75~2.5 mm².
• Dimensions: 185×185×75 mm (BHD01A, BHD02), 116×116×75 mm (BHD01B).
• Weight: Approximately 0.8 to 1.2 kg depending on model.

Safety and Certification

• Explosion-proof marking: Ex db IIC T6 Gb, Ex tb IIIC T80°C Db IP66.

4. Applications and Recommendations

• Mining tunnel lighting with high safety requirements for explosive atmospheres.
• Suitable for harsh industrial environments requiring corrosion resistance and reliable long-term operation.
• Ring mounting allows parallel connection for roadway lighting layouts.
• Junction boxes facilitate safe wiring and mounting of lighting equipment in hazardous zones.

5. Summary of Critical Parameters