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HD-700A Elevator Emergency Intercom with 12-24VDC Operation 4+ Hour Battery Backup and RS485/Modbus

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November 25, 2025
Category Connection: Elevator Spare Parts
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Brief: Curious about how this performs in practice? Join us for a hands-on look at the HD-700A Elevator Emergency Intercom. This video demonstrates its reliable two-way communication, auto-dial functionality, and seamless integration with elevator control systems. You'll see how it ensures code-compliant safety with features like hands-free operation and robust battery backup during an emergency scenario.
Related Product Features:
  • Complies with EN81-28, ASME A17.1, UL 508, and CSA B44 safety standards for elevator communication systems.
  • Automatically connects to pre-programmed emergency numbers and sends fault signals to the Building Management System (BMS).
  • Provides full-duplex, hands-free audio with advanced echo cancellation for clear communication in confined elevator spaces.
  • Directly interfaces with the elevator controller via RS485/Modbus for real-time car position and status display.
  • Operates on 12-24VDC with a 4+ hour battery backup, meeting the 24-hour standby requirement.
  • Performs continuous self-diagnostics and automatically reports system faults to the maintenance team.
  • Supports multiple communication architectures including Wire Analog, VoIP/SIP, GSM/4G, and 3-Party Conference.
  • Designed for integration in passenger, service, freight, and accessibility lifts, as well as modernization projects.
FAQs:
  • What safety standards does the HD-700A Elevator Emergency Intercom comply with?
    The HD-700A is fully compliant with EN81-28, ASME A17.1, UL 508, and CSA B44 safety standards, ensuring it meets rigorous requirements for elevator communication systems in various regions.
  • How does the battery backup function work during a power outage?
    The system operates on 12-24VDC and includes a battery backup that provides over 4 hours of continuous operation, meeting the code requirement for 24-hour standby to ensure communication remains available during emergencies.
  • Can the HD-700A integrate with existing building or elevator control systems?
    Yes, it features an RS485/Modbus interface for direct integration with elevator controllers, allowing for real-time status monitoring. It also supports Wire Analog, VoIP/SIP, and GSM/4G connectivity for flexible system configuration.
  • What types of elevators is this intercom system suitable for?
    The HD-700A is designed for a wide range of applications including passenger elevators, service elevators, stretcher lifts in healthcare, freight elevators, accessibility lifts, and as a retrofit in modernization projects.
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