Optical Flap Barrier NU4143FB

CODE: Nundnet NU4143FB

• Transparent wing Flap Barrier
• Single Flap/ Double Flap/ ADA compliant lane flap
• 304 SUS Stainless steel material
• Single button press activation
• LED direction arrow plate
• Multiple sensor for variety of application
• Mechanism with shock absorption and anti-reverse
• Pass through timeout of 10 seconds after card swipe
• Re-use duration of same card user set from 1~60sec
• Power failure automatic opening
• Regain power automatic set operation

Housing MaterialSUS 304 stainless steel steel outer body, SUS 316 (optional)
Flap ArmsAcrylic & PU /PUR (Polyurethane) material, Organic units joined by carbamate (urethane) links.

  • Thickness of wing 8mm (default), 10 mm (optional)
  • Standard wing Transparent
  • ADA wing (Red/ Blue)
Operating VoltageAC220±10% V/50 ±10% Hertz, AC110V±10% 50 ±10% Hertz(Optional on basis of customization)
  • Servo driven mechanism
  • BLDC Brushless DC Motor
Infra Red Sensors6 pairs (Knee, Waist) Standard Sensors, Customization option
Standard Size1500 x 276 x 1000 (LxWxH)mm
Channel Width500 ~ 570mm as per standard norms
900mm ADA Compliance
Startup after Power (ON)6 seconds
Gate opening time0.2 seconds
DirectionSingle or bi-directional
IndicatorsLED for direction with arrow marks
ApplicationDesigned for the indoor or outdoor application. It is recommended to use cover for outdoor application
Passage Speed35~40 persons/min
MTCF>3 million operations
InterfaceRS485, TCP/IP (Optional)
Ingress ProtectionIP54
TemperatureIndoor    : -10℃—70℃
Outdoor : -10℃—70℃
HumidityRelative ≤90% at zero condensation
Input interfaceDry contact signal or +12V level signal or DC12V pulse signal with a width of more than 100ms, driving current: > 10mA

NU4143FB XYZStandard optical flap barrier with transparent wings
XLLeft wing optical  flap barrier unit
RRight wing optical  flap barrier unit
MSCentral channel with standard wings on both sides
MHLCentral channel with standard wing on right & ADA wing on left side
MHRCentral channel with standard wing on left & ADA wing on right side
YRRed color ADA wing
BBlue color ADA wing
ZDServo driven brushless DC Motor
SServo motor
Nundnet NU 4143 FBCEWEERoHSOperationsElectricalCivilMechanicalV 1.1

Additional information


Nundnet NU4143FB uses 304 stainless steel that has excellent resistance to a wide range of atmospheric environments and many corrosive media. It is subject to pitting and crevice corrosion in warm chloride environments and to stress corrosion cracking above about 60°C. It is considered resistant to potable water with up to about 200 mg/L chlorides at ambient temperatures, reducing to about 150 mg/L at 60 °C.


(Optional) Nundnet NU4143FB Version 3.2 equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. This device is designed to provide the reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.


Available as Single Flap, Double Flap, ADA Compliant with red or blue wings


This dimension is critical to ensure that two users cannot enter through the turnstiles `side by side’ thereby gaining unauthorized access. While as the DDA compliant wheelchair accessible Lanes is 900 – 940mm thereby allows passage for wheelchair users and those with other impairments or who are in need of assistance. Red or blue wings