EFB Elektronik LC Duplex Single Mode Fibre Optic Coupler, Flangeless, Blue, Ceramic Sleeve (53515.1)

The EFB Elektronik LC Duplex Single Mode Fibre Optic Coupler (53515.1) is a high-performance, flangeless adapter designed for reliable fibre optic interconnections. Featuring a one-piece polymer housing and a precision zirconia ceramic sleeve, this coupler ensures low insertion loss and high return loss, making it ideal for single-mode networks operating at 1310nm and 1550nm wavelengths. Its compact, panel-mount design allows for easy integration into patch panels, enclosures, and distribution frames.

Advantages

This coupler offers exceptional durability with over 500 mating cycles, ensuring long-term performance in demanding environments. The flangeless design simplifies installation in tight spaces, while the blue colour coding aids in quick identification of single-mode connections. Compliance with IEC 61754-20 and RoHS standards guarantees quality and environmental safety.

Suitable for

• Fibre optic patch panels and distribution frames
• Data centre and telecommunications infrastructure
• FTTx and LAN/SAN networks
• Test and measurement equipment

Key specifications

• Connector Type: LC Duplex
• Fibre Mode: Single Mode (OS2)
• Sleeve Material: Zirconia Ceramic
• Insertion Loss: < 0.2 dB (typical)
• Return Loss: > 50 dB (typical)
• Mating Durability: > 500 cycles
• Operating Temperature: -20°C to +70°C
• Storage Temperature: -40°C to +85°C
• Housing Material: Polymer
• Mounting Type: Panel Mount
• Number of Ports: 2 (Duplex)
• Polarity: Straight-through

Recommendations

For optimal performance, use with LC single-mode patch cables and ensure clean fibre end-faces before mating. This coupler is compatible with standard LC connectors and is suitable for both indoor and protected outdoor applications.