anti-two block switch (marine and offshore)

  • Provides users with a long term lower cost of ownership alternative to factory mechanical A2B switches
  • Completely housed in 304-stainless steel with galvanized eyebolts, ideal for corrosive environments
  • Operating temperature: -40F to 149F; -40C to +65C
  • Internal switch mechanism is rated for 1,000,000 cycles and protected by a bellow seal to prevent the negative effects of moisture
  • Can be easily connected to a GS005 wireless transmitter to eliminate the need to run a boom cable to carry the signal to the display
  • Can be easily connected to most competitive systems



anti-two-block switch (overhoist detection on cranes)

  • Housing material: UV reinforced Acrylonitrile Styrene Acrylate (ASA)
  • Internal plates: stainless steel grade 316
  • Internal microswitch: TW Series 19N (Form C), non flammable, UL94-VO rated IP67
  • Operating temperature: -40°C to +125°C
  • Weight: Approx 1.2kg for SWIBB5
  • Connection: 2-wire connection
  • Bobweight tang throw: 16mm
  • Max triggered weight: 2kg
  • Min un-triggered weight: 7kg