Appleton™ WSRD 30, 60 and 100 Amp Series Interlocked Receptacles

WSRD Interlocked Receptacles are designed to prevent electrical arcing when fixed or portable heavy duty equipment is used in adverse environments. Available in 30, 60 and 100 Amp designs, these metallic receptacles feature either a fused or non-fused disconnect and mechanical interlock that prevents plug removal under load. With a plug engaged and the switch in the ON position, the plug can’t be removed. With the switch turned OFF and the plug removed, the receptacle can’t be energized


  • For use where an interlocked disconnect switch is desired to control a Powertite™ receptacle and insertion or removal of plug
  • Dead front design: receptacle is not energized until plug is fully inserted and switch is engaged. Unit is equipped with defeatable door interlock which allows emergency access when switch is energized
  • Square D™ F­Series operating mechanism designed to endure at least three times the number of operations required by NEMA and UL standards
  • Insulated, dual-color polymer operating handle clearly indicates the switch being energized. Ergonomically designed handle is made of high-impact polymer material for exceptional ruggedness, durability and corrosion resistance
  • Short circuit withstand rated to 200,000 RMS symmetrical Amps (Class R and J Fusing)
  • Available in fused or non-fused versions. Eaton™ switches arragned for Class H fusing and Class H, K on Square D™ switches. Products can be retrofitted with Class R or J fuses.
  • Utilizes Style 2 (shell and extra pole) grounding and 3-wire, 4-pole receptacle wiring
  • Spring door standard and screw cap provided at no additional cost to meet NEMA 3, 3R, 4, 4X applications
  • Cover can be padlocked closed. Operating handle can be locked in the OFF or ON position
  • Window versions provide visibility of fuse blades and fuse indicators for maintenace personnel without having to open cover
  • Epoxy powder coating on the inside and outside of the recetpacle provides addede corrosion protection
  • Auxillary switch contacts can be added for increased process control where flexibility is needed


Area Classification
Listed for Ordinary (Unclassified) Locations; NEMA 3, 3R, 4, 4X, 12
600 Vac/250 Vdc
Number of Poles
Number of Wires
50/60 Hz
Horsepower Ratings
7.5, 15, 30, 60 or 75
Type of Cable
#6 to #2, #14 to #2, #14 to #1/0 AWG
Materials and Finishes
Receptacle assembly is copperfree (4/10 of 1% max.) aluminum with epoxy powder coating. WSRD enclosure enamel coated sheet metal and WSRD-N4 is stainless steel. Handle is high impact polymer.
Glodok Exproof Product