MQD-30G-12

Overview

The MQD-30G-12 is a Quick Disc junction module manufactured by Amphenol Aerospace Operations. It belongs to the 1100 series, designed for signal and low current distribution in commercial aerospace applications. The unit features 30 positions with size 12 contacts. It utilizes a track-mounted configuration on metallic tracks to optimize wiring, reduce weight, and save space. The module supports sealing requirements suitable for harsh environments.

Feature Summary

• Quick Disc junction module design for signal and low current distribution
• Track-mounted configuration on metallic tracks for wiring optimization
• Sealed construction suitable for harsh environment operation
• Space-saving and weight-reducing architecture

Applications

• Aircraft power distribution systems
• Airframe avionics and instrumentation
• In-flight entertainment connectivity
• Wire bundling and cable management

Procurement Notes

Verify the specific contact configuration and mating interface compatibility before procurement. Confirm that the metallic track mounting system aligns with the aircraft structural design. Ensure the sealing rating meets the operational environmental requirements of the installation zone. Cross-reference the part number with official Amphenol documentation to confirm current manufacturing status.

Selection Notes

Select this module when optimizing wire harness weight and volume is critical. The track-mounted design requires compatible metallic track infrastructure. Evaluate the 30-position capacity against circuit density needs. Consider the sealed nature of the unit for exposed or semi-exposed aircraft zones. Verify that the low current distribution capability matches the load requirements of the connected avionics.

Part Context

This component is part of the Amphenol Air LB France 1100 series. The series focuses on quick junction modules for commercial aerospace markets. These products address the need for simplified installation and minimal maintenance in aircraft systems. The design philosophy prioritizes substantial weight reduction alongside high-performance interconnect capabilities.

Replacement Considerations

Check for updated series revisions within the 1100 product line. Verify physical dimensions and track mounting interfaces for direct substitution. Confirm electrical ratings remain consistent with the original design specifications.