3 Layer fence arm Boom fence Barrier with speed 4S to 6S

Specifications

Material: 304 Grade Stainless steel, 1.8mm cold-rolled steel plate 

Arm length: ≤6.0m

Arm type straight arm 
Arm material: aluminum-alloy

Water-proof and rust-proof , anti-rust coating 
Anti-bumping function 

Rail up or down time: 4 to 6 seconds (optional) 
Motor power: 220V AC (50Hz)  
Frequency: 50 to 60Hz 
Protection class: IP65 
Operating temperature: -40 to 85°C  
Operating humidity: ≤90% RH (non-condensing) 
Communication interface standard: RS485 
Communication range: 800 to 1,200m 
Functions: remote control  (manual control when power off)
Solid and endurable structure, strong bearing capacity 
Manual operating mode: provided 

Used to control vehicles at customs, military bases, important government, departments, airports, jails, nuclear power stations, docks, logistic centers, gardens, public parking places and more

In case of electric failure or trouble, it can manually operate the movable barrier to return to the horizontal position.