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OTIS Elevator KEA21305ACB5 Frequency Inverter Matching Board for OVFR03B-403 LRU with 380-415V Input

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December 18, 2025
Category Connection: Elevator Spare Parts
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#Elevator Spare Parts #Elevator Spare Parts Supplier #Lift Spare Parts
Brief: From concept to demonstration, this video highlights the evolution and practical outcomes of the OTIS KEA21305ACB5 Frequency Inverter Matching Board. You'll see how this dedicated component ensures stable operation for OVFR03B-403 LRU inverters, with a detailed walkthrough of its speed regulation capabilities and safety protection features that optimize elevator traction system performance.
Related Product Features:
  • Specifically designed for OTIS OVFR03B-403 (LRU) inverters with 380-415V input voltage.
  • Enables smooth, stepless speed control for elevator traction motors with gentle starts and stops.
  • Reduces mechanical stress on components and minimizes wear on gears, belts, and other parts.
  • Optimizes motor operation based on actual elevator load for significant energy savings.
  • Supports critical safety protection functions including overcurrent, overvoltage, and undervoltage detection.
  • Rapidly captures signals and coordinates with inverters to trigger alarms or shutdown protocols.
  • Ensures stable power transmission and reliable control signal communication between board and inverter.
  • Highly compatible with Xizi OTIS elevators and widely used as a supporting component.
Faqs:
  • What is the specific compatibility of the KEA21305ACB5 matching board?
    The KEA21305ACB5 is specifically designed for OTIS OVFR03B-403 (LRU) inverters and is widely used as a supporting component in Xizi OTIS elevators, ensuring stable power transmission and reliable control signal communication.
  • How does this matching board contribute to energy conservation?
    By working with the inverter to regulate frequency and voltage for the elevator traction motor, it optimizes motor operation based on actual elevator load, eliminating unnecessary energy consumption and delivering significant energy savings.
  • What safety protection features does this board provide?
    The board supports critical safety functions by detecting abnormal conditions such as overcurrent, overvoltage, undervoltage, or motor overheating, and coordinates with the inverter to trigger alarms or initiate shutdown protocols to protect the system.
  • What is the input voltage range and delivery time for this product?
    The KEA21305ACB5 operates with an input voltage of 380-415V and has a standard delivery time of 2-3 working days after payment confirmation.
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