EFB Elektronik IP67DFKLCDM LC Duplex Feed-Through Coupler, Metal Housing, Ceramic Sleeve, M25

In industrial automation and outdoor networking, protecting fiber optic connections from dust and moisture is critical. The EFB Elektronik IP67DFKLCDM is a robust LC Duplex feed-through coupler designed for panel or bulkhead mounting in harsh environments. Its metal housing and ceramic sleeve ensure reliable optical performance and durability, making it suitable for connecting LC duplex patch cables through enclosures, control cabinets, or equipment walls while maintaining an IP67 protection rating.

Key specifications

• Connector type: LC Duplex (both sides)
• Protection class: IP67 (dust-tight and protected against temporary immersion)
• Housing material: Metal
• Ferrule/sleeve material: Ceramic
• Mounting type: Panel mount / bulkhead with M25 thread
• Number of fibers: 2
• Fiber compatibility: Multimode and Singlemode
• Connector standard: IEC 61754-20

Why choose it

This coupler provides a secure, sealed connection point for LC duplex fiber optic links in demanding environments. The metal construction offers mechanical strength and resistance to impact, while the ceramic sleeve ensures precise alignment for low insertion loss. Its IP67 rating guarantees protection against dust ingress and water immersion up to 1 meter for 30 minutes, making it ideal for industrial, outdoor, and harsh applications. The M25 thread allows easy integration into standard cable glands or panel cutouts.

Ideal use cases

• Industrial Ethernet and fieldbus networks in manufacturing plants
• Outdoor wireless access points and surveillance systems
• Marine, mining, and transportation applications
• Connection of fiber optic cables through control cabinets or junction boxes
• Harsh environment installations requiring reliable optical interconnects

Good to know

The coupler is compatible with standard LC duplex connectors and supports both multimode and singlemode fibers. It is designed for feed-through applications, allowing cables to be connected from both sides of a panel. The product color is metallic, and it is supplied as a single unit. For optimal performance, ensure proper sealing and torque when mounting.