TRES-400-DEFENDER Quad Relay Access Controller for Multi Gate Security Systems

Defender 400 Quad Relay Access Controller is a powerful and scalable access management solution designed for high-traffic environments such as gated communities, commercial facilities, industrial properties, and secured residential complexes. Supporting up to 20,000 users with a large event buffer, this advanced controller enables reliable and efficient management of vehicle and pedestrian gates. Built with TCP/IP network communication and real-time processing capabilities, the Defender 400 ensures secure access decisions while maintaining seamless connectivity across modern network infrastructures.

Designed for High-Capacity Access Control

The Defender 400 provides flexible and dependable gate and door control with the ability to manage up to four access points simultaneously. Its distributed database architecture allows the system to continue operating even during network interruptions, ensuring uninterrupted access control. The controller supports Wiegand 26-bit reader inputs and integrates easily with exit devices, motion sensors, push buttons, and magnetic locks, making it ideal for a wide range of professional access control installations.

• Supports up to 20,000 authorized users
• Stores up to 100,000 access events for audit tracking
• Controls up to four gates or doors per controller
• Compatible with Wiegand 26-bit access readers
• Real-time communication via TCP/IP network
• Remote door release capability for convenient access management

Reliable Performance for Modern Security Systems

Engineered for professional security applications, the Defender 400 offers both online and offline operation, ensuring continuous functionality even if network connectivity is temporarily lost. The system supports multiple network configurations without limitation, making it highly scalable for expanding facilities. With low power consumption and durable electronic design, the controller delivers dependable performance in demanding access control environments.

• Gated communities and residential complexes
• Commercial and industrial facilities
• Vehicle and pedestrian gate access control
• Private estates and secured properties

The Defender 400 Quad Relay Access Controller is an ideal choice for security professionals and installers seeking a high-capacity, network-ready access control system. Its scalable architecture, real-time communication, and flexible integration capabilities make it a dependable solution for managing secure entry points across large properties and multi-gate installations.

Technical Specifications

• Network Communication: TCP/IP
• Communication Mode: 10Mbps / 100Mbps adaptive
• Controller Capacity: Up to four readers per controller
• Gate/Door Control: Up to four gates or doors (4 output relays)
• User Capacity: Up to 20,000 users
• Event Storage: Up to 100,000 events
• Reader Input Protocol: Wiegand 26-bit
• Request-to-Exit Inputs: Up to four (push button, motion sensor, etc.)
• Output Relays: Four SPDT relays (N/O – COM – N/C)
• Door Position Input: N/C input or reed switch
• Power Consumption: Less than 100mA
• Circuit Board Consumption: 225mA via TCP communication (without load)
• Power Supply: 12VDC @ 3A (when used with magnetic lock)
• Controller Distance: Up to 328 ft (depending on network coverage)
• Operating Temperature: -32°F to 149°F (-35°C to 65°C)
• Operating Humidity: 10–90% RH non-condensing
• Dimensions: 6.3” × 4.2” (160 × 106 mm)