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This wing-style barrier optical turnstile incorporates Megacom latest optical detection and motor control technology.

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  • SU3500 Retracting Barrier Wing Optical Turnstile

    A product of choice for customers worldwide, the SU3500 wing barrier optical turnstile with retracting panels now features Alvarado’s latest technologies for optical detection and motion control. The SU3500 is another great option to solve your access control needs.

    Secured entry control applications

    Main lobby access   |   Employee entrances   |   Elevator bank access control   |   Floor level access control   |   People counting   |   Visitor management

    Design with a purpose
    Classic Design

    The SU3500 wing barrier optical turnstile exterior features a brushed finish stainless steel cabinet and solid surface lid to create a very upscale look for nearly any environment. The crystal clear bi-parting panels / wings provide a very sleek look that can be customized even further with etching of logos or other graphics. The entire unit is complemented by highly intuitive gate end signals and user notification / card activation displays. Additional customization options include alternate lid colors and cabinet finishes.

    Key Features:

    Crystal clear bi-parting panels / wings

    Highly intuitive LED illuminated user interface graphics

    Shared center cabinets to create multiple lane configurations

    Handicapped passage width lanes available

    Multiple cabinet finish and lid color options

    Optional panel etching

    Added Benefits:

    Panel etching provides branding opportunities

    Cabinet and lid options match any décor

    Clear user interface graphics eliminates confusion


    Powered by innovation

    Cutting Edge Technology

    The SU3500 optical turnstile provides bi-directional access control in conjunction with a facility access control system. To enter, users present a valid credential which retracts the turnstile’s motorized barriers into the cabinet, allowing a single passage in the requested direction. Unauthorized entries, or attempts to tailgate on an authorized entry, are deterred. The turnstile has a number of operational modes and features that provide a superb combination of security, safety and high user throughput.

    Key Features:

    Retractable wing barrier panels restrict passage to authorized users only

    Barrier panels quickly open/close to provide authorized passage

    Upload custom .wav files for alarm signals to notify nearby personnel

    Advanced tailgating, crawl under, wrong way, presence and tampering detection

    Audio, visual and controller level interface

    Brushless closed loop DC drive system

    Multiple operation modes

    Virtually maintenance free

    Added Benefits:

    Secures space and ensures that only valid users gain entry

    Provides facility with the ability to track who is in the building

    Intuitive operation for attendants and users

    High throughput (up to 40-60 ppm) rates to eliminate bottlenecks

    Quick and precise panel movement and alignment – no need for constant adjustments

    Integrates easily with 3rd party systems (i.e. cameras, guard signals)

    Easy to install and provides years of trouble free operation

    Simplified integration

    Access Control and Visitor Management

    The SU3500 optical turnstile incorporates into your facility with very minimal effort. It integrates with virtually any access control or visitor management system and accommodates a wide array of credential readers. Dedicated fire or life safety system inputs are provided and outputs can be used to turn on cameras, lock interior doors and provide remote notification. The result is a retractable panel optical turnstile that provides superior access control and visitor management for facilities worldwide.

    Lane Monitoring and Control

    Alvarado’s GateKeeper Monitoring and Control software allows operational management of SU3500 optical turnstiles over a TCP/IP network. Among its many features, GateKeeper allows authorized personnel using a laptop, PC, tablet or similar device to change lane configurations and provide override activations for special circumstances such as visitors and deliveries. Passage directions can also be changed (and individual turnstiles opened or closed) at pre-defined times to increase passage flow or heighten security during busy or slow periods.


    Key Features:

    Simplified integration to access control and visitor management systems

    Flexible credential reader attachment options allows you to use existing readers familiar to users

    Dedicated fire system input

    Multiple outputs available (i.e. counting, alarms) for streamlined integration with other 3rd party systems

    TCP/IP enabled for remote communication and control of turnstiles

    Never compromise safety

    Built-in Safety

    The embedded intelligence and advanced hardware of the SU3500 provides highly evolved safety features. The strategically placed safety sensors are constantly monitored to instantaneously stop the moving panels if a potential contact is detected. In the highly unlikely event of a contact, our powerful closed loop motor drive system detects the impact and immediately stops the moving retractable panels. The panels can be forced inward to meet local life safety regulations. When the optical turnstile receives a fire/life safety input, the panels retract and remain open until reset. In the event of power loss, the barrier panels retract freely via spring tension and/or with minimal force to allow free egress.|

    Key Features:

    Strategically placed safety sensors prevent retractable panel impact with persons or objects

    Intelligent drive system and pinpoint control of moving bi-parting panels

    Panels retract freely upon loss of power or state of emergency to allow free egress


    The SU3500 optical turnstile is independently tested and certified by LA Testing Labs. It is also CE marked.

    Additional information

    The SU3500 has many available options, including:

    Alternate lid colors and materials

    Powder coated or metal plated cabinets

    Standard or handicapped lane widths

    GateKeeper control and monitoring software

    Elevated baseplates

    Elevator Destination Dispatch

    The SU3500 can integrate with virtually any Elevator Destination Dispatch solution to direct users to the correct elevator when presenting their authorized credentials. The dispatch display can be mounted directly to the turnstile, eliminating the need for employees/visitors to identify themselves a second time when entering an elevator.

    Modular Post and Panel Barriers

    Custom infill sections and modular post and railing are available to fill in open areas around installed turnstiles and gates. Learn more about our modular post and panel barriers.

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