Harsh Environment Connectivity Solutions

48 & 52 Point 1/4" Long Frame Audio with Solder Lug I/O & Cable Tie Bar

Originally designed to meet military specifications, this patchbay is as rugged and versatile as they come. Options include multiple normalling configurations, pre-tinned and offset solder lugs, cable tie bar, changeable designation strips, and heavy duty 1/4" long frame jacks.




Frame: Stamped nickel-plated steel
Bushing: Nickel-plated brass
Tip, Ring and Shunt Springs: Nickel silver with welded contacts
Assembly Screws: Nickel-plated steel
Welded Contacts: Gold alloy


Front Panel: Thermoplastic
Frame: C.R.S. black epoxy painted
Designation Strips: Black polycarbonate 94V-0
Designation Strip Covers: Clear polycarbonate


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

Ordering Information

Part Number Type of Jack No. of Jacks Height Description
MT48K1NS MT 48 1.75" Normals strapped
MT48K1FN MT 48 1.75" Full normals
MT48K1HN MT 48 1.75" Half normals
MT48K1NN MT 48 1.75" No normals
MT52K1NS MT 52 1.75" Normals strapped
MT52K1FN MT 52 1.75" Full normals
MT52K1HN MT 52 1.75" Half normals
MT52K1NN MT 52 1.75" No normals
MT48K3FN MT 48 3.5" Full normals
MT48K3HN MT 48 3.5" Half normals
MT48K3NN MT 48 3.5" No normals
MT52K3FN MT 52 3.5" Full normals