A2B-Z Crane Hoist Height Limit Switch & Over-Hoist Protection Sensor for XCMG Truck Crane

Direct Compatibility for XCMG Fleet
   Standard mounting hole pitch and connector pinout allow direct plug-and-play replacement on XCMG truck cranes, reducing maintenance downtime.

Harsh Jobsite Durability
   Built for tough mining, infrastructure, and heavy construction environments. High resistance to vibration, humidity, and UV exposure.

High-Precision Silver Alloy Contacts
   

Ensures reliable electrical conductivity and millions of trouble-free switching cycles under continuous lifting operations.

Critical Safety Device: Essential anti-two block (A2B) limit switch mounted at the crane boom tip to prevent the hook block from colliding with the boom head.
Heavy-Duty IP67 Sealed Housing: Rugged die-cast enclosure with precision rubber sealing prevents rain, dust, mud, and extreme weather intrusion.
Complete Ready-to-Install Kit: Includes heavy-duty switch body, oil-resistant shielded cable, quick-disconnect aviation plug with dust cap, and high-tensile steel wire lanyard with clamp.
Instant Response & High Reliability:** Fast-acting microswitch mechanism provides instant electrical cut-off and alarm signaling to crane LMI / PAT / Hirschmann computer systems.