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Model 331 Three Conductors, 2@4amps, 1@30amps

Disconnects included
(4 sm., 2 lg.)
Boot Kit available
Available with stainless steel ball bearing (331-SS)

Model No. Terminals Voltage AC/DC Amp Rating @240VAC Max. Freq. MHz Contact Resistance Max. RPM Temp
Max.F(C) / Min. F (C)		 Rotation Torque
(gm-cm)		 Circuit Separation
331 3 0-250 2@4/1@30 100 <1m 1800 140 (60) /-20(-29) 200 >25M
331-SS 3 0-250 2@4/1@30 100 <1m 1800 140 (60) /-20(-29) 200 >25M

"SS" designator indicates stainless steel ball bearing (recommended for wet or corrosive environments)

Model 331 Accessories

55251

Terminal 16 - 14 AWG (qty. 1 included)

57230

Boot Kit for dust / splash protection IP51

55250

16 - 14 AWG (qty. 1 included)


55110

22 - 18 AWG (qty. 4 included)

Terminals for other wire gauges available. (22-18 AWG and 12-10 AWG)

Model 331 Standard Wire Connections

Model 331 Wire Connections With Optional Boot Kit

Model 331 Suggested Mounting Methods

Model 331 is typically mounted by either the black body or the white plastic bushing on either end using a set screw. When mounting horizontally, mount the Mercotac so the body of the connector rotates.

Receptacle Mount Hole Dimensions
MODEL HOLE DIAMETER (Ø) * DEPTH
331 et al .998" (25.35) .80" (20)
*Inch (mm) Tolerance Ø +.001" (+.025) -.000" (-.000)
Typical Bushing Mount Hole Dimensions
MODEL HOLE DIAMETER (Ø) * DEPTH
331 et al .500" (12.70) .40" (10)
*Inch (mm) Tolerance Ø +.001" (+.025)
-.000" (-.000)

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