Harsh Environment Connectivity Solutions

48 Point 1/4" Long Frame Front Access Audio Patchbays with PPT Punchdown I/O

The Front Access Series offers the end user the ease of re-terminating patchpoints from the front of the rack. A slide out tray allows the user to slide out the punchdown terminals, and reconfigure the unit. An easy release mechanism on either side of the unit allows it to be pushed back into place and easy to grip locking nuts tighten the unit in place.



Frame: 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


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


Life: 30,000 cycles
Insertion Force: 7 lbs. maximum
Withdrawal Force: 1 lb. minimum
Operating: -20°C to +65°C


Jack Contact Resistance: 30 milliohms initial max.; 50 milliohms after life
Jack Insulation Resistance: 10,000 megohms maximum
Dielectric Withstanding Voltage: 500V at 60 Hz AC
Working Voltage: 100 milliamps or less; maximum 56.5 VDC

Ordering Information

Part Number Type of Jack No. of Jacks Description
MTPFA48K1NS MT 48 1.75" High, Normals strapped
MTPFA48K1NO MT 48 1.75" High, Normals brought out