Otis FBA25402CR4 Elevator Control Board | Gen2 Lift System PCB | OEM Otis

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The Otis FBA25402CR4 is an original OEM Otis elevator control board (PCB) designed for use in Otis Gen2® elevator systems. This board serves as a central control and signal interface module, responsible for relay logic, signal distribution, and coordinated communication between key Gen2 elevator subsystems.

Based on the provided image, the FBA25402CR4 is a large-format industrial PCB equipped with multiple electromechanical relays, extensive terminal blocks, plug-in connectors, and integrated control electronics. It is intended for installation inside the elevator controller cabinet, where it supports core operational, safety, and auxiliary functions of the Gen2 platform.

The CR4 revision represents a later hardware revision within the FBA25402 series and is used as a direct replacement only where the same revision or Otis-approved substitution is specified. Exact part number matching is essential for compatibility.

Key Features:

• OEM Otis elevator electronic board

• Part number: FBA25402CR4

• Designed for Otis Gen2® elevator systems

• Control, interface, and relay logic PCB

• Multiple relays and high-density terminal connections

• Industrial-grade construction for continuous elevator operation

• Direct replacement part (no modification required)

Typical Applications:

• Otis Gen2® elevator controller cabinets

• Signal routing and subsystem coordination

• Relay control for doors, safety circuits, and auxiliary functions

• Replacement of faulty or damaged Gen2 control boards

• Service and maintenance stock for Otis elevators

Technical Overview (General):

• Product Type: Elevator control / interface PCB

• Elevator Platform: Otis Gen2®

• Mounting Location: Elevator control cabinet

• Main Functions: Signal processing, relay switching, system interfacing

• PCB Design: Industrial multilayer board with relays and connectors