Space Requirements: The minimum shaft dimensions are typically 1.2m × 1.4m (traction type) or 0.8m × 0.8m (screw type), with a minimum top-level height of ≥2.5m.
Load Capacity and Power Supply: Load capacity 200-400kg; independent 220V/380V power line required (380V required for hydraulic ladders).
Safety Standards: Must be equipped with an emergency alarm device and power-off leveling function, and pass national inspection (e.g., GB/T 21739-2008).
Maintenance Costs: Annual maintenance cost approximately 2000-5000 RMB; hydraulic ladders require regular oil changes.
Brand Selection: Prioritize top-tier brands such as KONE and ThyssenKrupp, with a warranty period of ≥2 years.
