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Switchcraft MT52HN
1/4 Twin Row Jack Half Normal


  Patch bay for 52 MT Jacks; Half Normals.
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Our Price: $224.97
List Price: $359.94
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Switchcraft MT52HN
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Related Products

 Patch bay for 52 MT Jacks; Half Normals.


  • Units feature either 48 or 52 MT Jax®
  • Steel frame jacks for superior jack life
  • Attractive, corrosion resistant nickel-plated jacks
  • Gold switching contacts for long-term reliability in normal-through connections
  • Offset ground terminal for ease in making common ground buss connections
  • Fanned solder terminals for easier solder connections
  • Cable tie bar takes the weight of cables off the jacks
  • Four jack configurations available for the exact switching arrangement: full normal, half normal, non-normal, and normals strapped


  • Frame: Steel, nickel-plated
  • Bushing: Brass, nickel-plated
  • Springs: Nickel silver solder lugs
  • Ground Terminal: Nickel silver, solder lugs
  • Switching Contacts: Welded, gold alloy
  • Insulation: Phenolic spacers, rigid PVC tubing through stack
  • Screws: Steel, nickel-plated
  • Jack Panel: Thermoplastic
  • Cable Support Bracket: 5/16" diameter black epoxy painted steel rod
  • Screws (designation strip): Steel, black zinc-plated
  • Screws (mounting jack): Steel, nickel plated
  • Kwik-change® Designation Strip: Extruded aluminum, black anodized
  • Marking Strip: White plastic, matte finish
  • Marking Strip Cover: Clear, extruded plastic
  • Life: 30,000 cycles
  • Insertion Force: 7 lbs. maximum
  • Withdrawal Force: 1 lb. minimum
  • Operating: 0°C to +50°C
  • Contact Resistance: 30 milliohms maximum initial
  • Insulation Resistance: 10,000 megohms maximum
  • Dielectric Withstanding Voltage: 500V at 60 Hz AC
  • Working Voltage: 140 VDC maximum
  • Current Rating: 100 milliamps

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