Type 4X Stainless Steel Splitter Box CN4SBSS Series

Hinge Door with Quarter Turn


  • The splitter boxes are designed for distribution of up to 600 A (max) service using either 3 or 4 wires. 75° C conductor ampacity permitted.


  • CSA Type 3R, 12, 4X
  • Complies with
    • IEC 60529, IP66


  • Formed 16 gauge Type 304 stainless steel (14 gauge on 30x24)
  • Factory installed splitter blocks.
  • Smooth, continuously welded seams ground smooth.
  • Door stiffeners are provided where required for increased strength and rigidity - designed to also permit additional mounting options.
  • Formed lip on enclosure to exclude flowing liquids and contaminants.
  • Door latches feature the added safety of quarter turn slot requiring use of tool for opening.
  • Doors may be easily removed for modifications and are interchangeable.
  • Seamless poured-in place gasket.
  • Collar studs provided for mounting inner panel.
  • Includes hardware kit with panel mounting nuts and sealing washers for wall mounting holes.
  • Hinges are constructed from 304 stainless steel.
  • Hinge pins are stainless steel.
  • Inner panel is included.


  • Cover and enclosure are natural stainless steel with a smooth brushed finish.
  • Inner panel is finished in white powder coating.
3 Wire 4 Wire CU/AL Enclosure Optional Splitter
Part No. Part No. Amps H W D Grounding Kit Block Reference
CN4SB73SS CN4SB74SS 70/70 12.00 10.00 5.00 CGK125 CSBL125B
CN4SB103SS CN4SB104SS 125/120 15.00 10.00 5.00 CGK125 CSBL125B
CN4SB203SS CN4SB204SS 225/180 18.00 12.00 5.00 CGK225 CSBL225
CN4SB403SS CN4SB404SS 400/400 24.00 17.00 6.00 CGK400 CSBL400
CN4SB603SS* CN4SB604SS* 600/600 30.00 24.00 7.00 CGK600 CSBL600

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Data subject to change without notice.

Tags: splitter box, splitter block, Type 4X, stainless steel, 3 wire, 4 wire, quarter turn latch, hinge door