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Model 110- One Conductor,10 Amp

Mounts at the end of a rotating axis. Mount by the press fit receptacle accessory. Wire attaches using the accessory receptacle or cap. This model is designed to mount at the bottom of a vertical rotating shaft.

Model No. Terminals Voltage AC/DC Max Amp Rating Max. Freq. MHz Contact Resistance Max. RPM Temp
Max.F(C) / Min. F (C)
Rotation Torque
Circuit Separation
110 1 N/A 10 200 <1m 3600 140 (60) /-20(-29) 35 N/A
110-SS 1 N/A 10 200 <1m 3600 140 (60) /-20(-29) 35 N/A
110-L 1 N/A 10 200 <1m 1200 140 (60) /-20(-29) 10 N/A

"SS" designator indicates stainless steel ball bearing (recommended for wet or corrosive environments)
"L" designator indicates low torque
Note: The anodized aluminum housing of the 110 series Mercotac is electrically "hot" to the internal conductor.

Model 110 Accessories


one contact receptacle


one contact receptacle w/ 6" wire


one contact cap
w/solder lug


ring terminal (12-10 AWG)

Receptacle used for mounting to rotating device. Accessories are required for wire connections. Order Separately.

Model 110 Connections

Metal receptacle press fits into rotating member of machine.

Ring treminal for stationry wire attachment.

110 Model plugs into receptacle after the receptacle is press into roatating member of machine

Note: The metal receptacle used for mounting is electrically conductive. Therefore, if desired, it can be used as the electrical connection between the 110 and the rotating member of the machine using Part #5920. However, if an insulated mounting at the rotating member is being used, then Part #5921-S with six inch wire lead is used for the electrical connection.

Model 110 Suggested Mounting Methods

Model 110 is typically mounted by the knurled metal receptacle, which is press-fit into the rotating member of the machine. When mounting horizontally, use the similar model 110-T instead to be able to mount the Mercotac rotary connector so that the body of the connector rotates.

Receptacle Mount Hole Dimensions
5920, 5921-S .283" (7.19) .35" (8.89)
*Inch (mm) Tolerance Ø +.001" (+.025) -.000" (-.000)

Conductive shaft mount

Insulated shaft mount

Thermal and electrically insulated mount

Vibration isolating mount

Protective housing mounth with conductive shaft

Installation Notes:

  • The up arrow should not point below horizontal
  • Do not solder to or bend connector tabs
  • Avoid lateral forces and mechanical loads (overly stiff or tight wires)
  • Do not rigid mount both ends of connector
  • Limit mounting eccentricity (runout / wobble) to .005" (.13mm)
  • Provide overload protection within the circuit
  • Avoid vibration and bumping motions