Optima HDAB-CT crash tested hydraulic drop arm barriers are designed especially for entrances where there is a threat of suicide vehicle attack, or for the entrances that have high security requirements. If there is a threat of vehicle attack in addition to the control of vehicle access in high security applications, hydraulic drop arm barriers are one of the best and most secure solutions. Even though the attack is from high tonnage vehicles with high speeds, it is not possible for the vehicle to keep on moving forward anymore beyond the arm of the barrier. The test is done according to PAS68: V/7500(N3)/80/90:0.0/2.1 zero penetration (This means that M50-P1 "zero penetration" according to American standard).

Drive unit is hydraulic, but in case of power failure barrier can be closed or opened manually with the help of hand pumps and valves. With the help of PLC controlled electronics, open/close function can be achieved by every kind of card readers, biometric readers like fingerprint or hand shape, radio control, on/off key switch etc. Besides, safety accessories like photocells, inductive loop detectors, flashing lights or red/green lights can be integrated to the system.


Test parameters PAS68: V/7500[N3]/80/90:0.0/2.1
Equivalent to K12, M50, ASTM F2656, IWA14-1
Arm width 3000-7500 mm
Weight (approximately) 2000-2500 kg
Environmental durability Red oxide painted, finishing with painted yellow & red stripes (‘STOP’ warning in the front)
Structure Heavy duty
Type of steel S235/RAEX250-Quality 37 minimum
Red/green LED traffic light Available, 200mm diameter, steel post 2 mt height and electrostatic ally powder coated
Hinges Heavy duty hardened and or stainless steel AISI 303 Quality for hydraulic cylinder connections and moving part of the barrier
Bearing Bronze
Power 380 V, 3 Phase, 50-60 Hz
Power failure Manual hand pump
Raise lower time Depends on arm width
Desktop keyboard Raise, lower, emergency stop, key operated, ‘keyboard in use’ light indicator
Extra I/O at the PLC Enough I/O’s to connect any card reader, extra override keyboard etc. later on
Proximity switch Available to sense the position of the barrier
Loop detector This detector is used for safety
Power back-up system options DC motor and batteries, UPS
Cabinet IP 65 with continuous ventilation
Motor Power Min 4 KW, 1500 rpm
Environmental conditions -15/+65°C, 95% humidity

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