The 9333102230 anti-two block switch by Hirschmann is the most common A2B switch used in Grove cranes. The A2B switch assists in preventing equipment damage due to the hook block contacting the boom tip on cranes and other lifting equipment. The electrical switch element is completely sealed in the housing. The housing is made of a corrosion-proof, light metal alloy and is treated and coated making it resistant to the damaging effects of the environment.
Identifying Grove Anti Two Block Switch:
The switch will have a label or will be stamped into the metal on the back with the numbers 031-002-060-011 OR 31-002-06-0011. Attaches with twelve feet of three core wire. This item is always IN STOCK.
Grove Anti Two Block Switch Features:
- Fully sealed electrical unit
- stainless steel traction rope with a tensile strength of ≥5kN
- funnel-shaped introduction of the actuating rope with low friction surface for safe rope guidance
- Approved as an emergency limit switch by the Trade Cooperative Institute for Work Safety (BIA)
This Grove anti two block switch is used in older PAT Hirschmann systems including DS150, DS350, DS160, iFlex LMI System.