In industrial settings where flammable gases, liquids, or vapors may be present, even the smallest spark can trigger catastrophic consequences. Yet the demands of continuous production and worker safety cannot be compromised. In this challenging environment, selecting lighting solutions that offer both reliable illumination and compliance with the most stringent safety standards becomes a critical decision.

Holophane, a leader in lighting solutions, has engineered its C1D1 series explosion-proof lighting products specifically for these extreme conditions. Designed for the world's most hazardous workplaces, these fixtures provide unparalleled safety and performance—not merely as light sources, but as essential lifelines in demanding environments.

C1D1 Series: Engineered for Hazard, Designed for Safety

The Holophane C1D1 series is purpose-built for Class I, Division 1 (C1D1) hazardous locations—areas where explosive or flammable substances may exist under normal operating conditions. In any environment with potential fire or explosion risks, these fixtures deliver stable, reliable illumination that enables clear visibility while minimizing accident risks.

A standout feature is their exceptional thermal shock resistance and impact-resistant construction. In volatile environments, lighting must withstand potential explosion pressures, extreme temperature fluctuations, and physical impacts. The C1D1 series achieves this through rugged materials and precision engineering that maintains integrity under the harshest conditions.

The product line's diversity represents another key advantage. Rather than offering limited options, Holophane provides a comprehensive portfolio addressing specific needs across industries—from petroleum and chemical processing to pharmaceuticals, aerospace, mining, and other sectors requiring rigorous explosion protection.

Performance and Flexibility: Meeting Diverse Requirements

The C1D1 series delivers uncompromising performance with powerful lumen output and multiple light distribution options. Whether the application requires high-intensity, long-distance lighting or soft, uniform area illumination, the series provides optimal solutions for spaces of any size or configuration.

Installation flexibility further enhances the series' adaptability, with multiple mounting options including:

• Yoke mounts for wall or floodlight installation with adjustable angles
• Ceiling mounts for fixed overhead installation
• Pendant mounts suspended via rods or chains for elevated lighting
• Stanchion mounts designed for pole installation

Additional configurable features include:

• Battery backup for emergency lighting during power failures
• Frosted optics reducing glare for visual comfort during extended work periods
• Marine certification for corrosive coastal and offshore environments

Core Product Specifications

HEXF1 Series

Designed for high-intensity lighting in extreme conditions, the HEXF1 offers:

• 2,700 to 8,500 lumen output options
• Multi-voltage and high-voltage (7,000 lumen models only) compatibility
• -40°C to 65°C operating range
• Standard ¾" NPT conduit opening with 3-foot leads
• 10kV surge protection
• Certifications for C1D1, C1D2, C2D1, C2D2, and C3 hazardous locations
• IP66/IP67 ingress protection

HEXF Series

The higher-output HEXF models deliver:

• 11,830 to 21,230 lumen options
• Three standard ¾" NPT conduit openings
• -40°C to 60°C operating range
• Marine-rated UL 1598A certification

HEXS Series

Combining power with compact design, the HEXS offers:

• 4,400 to 11,650 lumen options
• Pre-installed yoke mounting hardware
• Ceiling, wall, pendant, and pole mounting flexibility

HEXSEM Series

Purpose-built for emergency scenarios, these models feature:

• Integrated battery backup (7,500-10,260 emergency lumens)
• -20°C to 45°C operating range
• Standard three ¾" NPT openings

HET Series

The most extensive size and output selection includes:

• 2,700 to 16,050 lumen options across four sizes
• Five standard ¾" NPT conduit openings
• Marine-rated certification

Conclusion

The Holophane C1D1 series represents a comprehensive safety solution for hazardous environments worldwide. Through robust construction, superior performance, and flexible configurations, these fixtures ensure both operational continuity and personnel protection across industries handling flammable substances. More than lighting equipment, they embody a commitment to safeguarding lives and assets in the most challenging conditions.