The FAAC J355 HA M50 is an automatic retractable hydraulic security bollard engineered for hostile vehicle mitigation (HVM) and certified perimeter defense against heavy vehicle ram attacks at high-security facilities.

• Brand: FAAC
• Model: J355 HA M50 (Part No. 116351)
• Drive Mechanism: Fully integrated hydraulic power unit (no external pressurized underground hydraulic lines)
• Cylinder Dimensions: Diameter 355 mm, travel height above ground 1,200 mm
• Cylinder Construction: High-strength S355JR EN 10210 steel with 30 mm wall thickness
• Surface Finish: Cataphoresis anti-corrosion primer with dark grey metallised polyester powder coating (RAL 7021)
• Crown & Flange: AISI 304 stainless steel cylinder head with integrated 55 mm white retro-reflective strip and perimeter flashing LED warning ring
• Operating Speed: Standard rise time ~6 seconds, descent time ~3 seconds; optional Emergency Fast Operation (EFO) rising in ~2 seconds
• Operating Thrust: Maximum expressed force of 9,000 N
• Crash Standards & Impact Energy: Certified to PAS 68:2013 (V/7500[N3]/80/90:4.7/10.9) and IWA 14-1:2013 (V/7200[N3C]/80/90:5.0); equivalent to ASTM K12 / M50 rating, arresting a 7,500 kg truck at 80 km/h (absorbed energy 1,852,000 J)
• Power Supply: 220–240 V AC, 50/60 Hz; maximum power consumption 3,900 W
• Ingress Protection: Hydraulic drive assembly rated IP67
• Operating Temperature: -15 °C to +55 °C (-40 °C with optional pit heater)
• Control Interface: Compatible with FAAC JE275 electronic controller board; supports Master/Slave multi-bollard simultaneous coordination
• Failsafe Operation: Mechanically and hydraulically holds raised position during power interruption; compatible with manual release kit
• Weight: Bollard body 850 kg (Foundation pit 235 kg)