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