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Siemens Class 52 Contact Blocks

WorldWide Electric carries a complete line of Siemens Class 52 pilot and signaling devices, including Siemens Class 52 Contact Blocks.


  • 30mm Contact Blocks
  • Touchsafe Contact Blocks with Gold Flashing
  • UL Listed
  • CSA Certified



Model Number Contact Type
1 NO - 1 NC
1 NO - 1 NC
1 NC Extra Late Break
1 NC
1 NO
1 NC Late Break
1 NO Early Make