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PATCHBAYS
MT48/MT52 Patchbay Series
26
Features and Benefits
• 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
MT48FN
• 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
The MT48/52 Series patchbays offer a rugged cable tie bar to support rear
cabling. Also available is the normals strapped configuration which has the shunts
or normals tied together, top to bottom jacks.
Specifications
Materials
Mechanical
Life: 30,000 cycles
Insertion Force: 7 lbs. maximum
Withdrawal Force: 1 lb. minimum
Operating: 0˚C to +50˚C
Electrical
Contact Resistance: 30 milliohms
maximum initial
Insulation Resistance: 10,000
megohms maximum
Dielectric Withstanding Voltage:
500VAC at 60 Hz
Working Voltage: 140VDC
maximum
Current Rating: 100 milliamps
Jacks
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
Ordering Information
Part Number
MT48FN
Type of Jack
No. of Jacks
Description
Full normals
Panel
MT
MT
MT
MT
MT
MT
MT
MT
48
48
48
48
52
52
52
52
Jack Panel: Thermoplastic
Cable Support Bracket: 5/16"
diameter black epoxy painted
steel rod
MT48HN
MT48NN
MT48NS
MT52FN
Half normals
No normals
Normals strapped
Full normals
Screws (designation strip): Steel,
black zinc-plated
MT52HN
MT52NN
MT52NS
Half normals
No normals
Screws (mounting jack): Steel,
nickel plated
Kwik-change® Designation Strip:
Extruded aluminum, black anodized
Marking Strip:
Normals strapped
White plastic, matte finish
Marking Strip Cover:
Clear, extruded plastic
SWITCH [ SWITCHCRAFT, INC. ]
