Structural feature
◆ The connection terminal is hidden, good safety protection;
◆ The base is made of PA66 material, and the contacts are made of copper base composite points.
Longitudinal dense arrangement, small travel, good comfort;
◆ The metal type and the economic type tail are connected by screws to reduce the accumulation error;
◆ The metal type is fastened by plate back oblique double screws, which is reliable and has grounding protection function.
◆ There are many selections, screw installation of metal type and nut fastening installation of economic type for selection;
◆ The key parts of metal type are made of alloy die casting, and the knob head is connected with the middle seat, which is easy to install and disassemble.

Working conditions and installation conditions
Ambient temperature: -5℃ ~ +40℃, daily average temperature ≤+35℃
Relative humidity: 40℃(≤50%), 20℃ (90%)
Altitude: ≤2000m
Pollutions level: Level 3
Installation category: Class III
Installation dimension: M22