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Series Catalog(s)

Radiall QM Series Connectors

QM – Quick Mount – Connectors are Commonly Used in Commercial and Private Jets

QM series has a compact design, high performance and quick installation attributes. Generally used in civil aviation and business jets applications. QM connectors series comes in various shell options: QM size A and size B in order to improve density and weight requirements in the wiring processes. QM shells offer broad spectrum of mounting device. QM series is a budget friendly option since it uses EPX contacts a variety of modular inserts.

Features:

Mechanical performance:
  • Mating/unmating: 50 cycles
  • Random vibration: Up to 13.8 Grms
  • Shock: 50g –3 shocks on each axis
  • Insert retention in shell: 400N (90 lbs)
Electrical performance:
  • Shell to shell conductivity: Typical < 2.5 mohm
  • Shell to rail conductivity: Typical < 2.5 mohm
  • Dielectric Withstanding Voltage:
    • 1,500 Vrms at sea level
    • 800 Vrms at 50,000 feet
  • Insulation resistance: > 5,000 MΩ at ambient temperature
  • Lightning strike: 3.6 kA – 1,600V
  • EMI shield effectiveness: EN2591-213
    • Frequency 100 MHz: Attenuation 65 dB
    • Frequency 200 MH: Attenuation 63 dB
    • Frequency: 300 MHz: Attenuation 61 dB
    • Frequency400 MHz: Attenuation 59 dB
    • Frequency500 & 600 MHz: Attenuation 58dB
Environmental performance:
  • Altitude immersion: 50,000 feet
  • Temperature range: -65°C / +155°C
  • Temperature life: 1,000 hours at +155°C
  • Salt spray: 96 hours
Materials and finishes:
  • Shell: Nickel plated composite
  • Inserts: Thermosetting or high-grade thermoplastic
  • Interfacial seal and grommet: Fluorosilicone elastomer
  • Insert retention clip: Beryllium copper
  • Polarization keys: High grade thermoplastic
  • Contacts: Gold plating over copper alloy