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- Warehouse: Spot
- Warranty： 365 days
- Quality: Original module
- Condition： New
- Shipping method: Courier delivery
- Contact person: LI MING
- Contact number: +86 18059884790
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- E-mail: plc66@qq.com
Eaton 4A55765H22 Brief Overview
4A55765H22 is an Eaton I/O board designed for FD120 diesel fire pump controllers produced after June 2015. It works with 4A55765H23 engine board and 4A55765H24 display board as a complete control assembly.
Key Functions
- Collect digital and analog signals from pressure sensors, switches and feedback devices
- Output relay drive signals for pump startup, alarm and status indication
- Exchange data with engine board and display board inside the controller
- Process fire pump startup logic, fault detection and alarm signal routing
- Standard terminal layout matching original FD120 cabinet wiring
Application Scenarios
- Eaton FD120 diesel fire pump control panels
- Commercial and industrial fire protection sprinkler systems
- Building fire safety and emergency water supply skids
- On-site fire pump controller repair and component replacement
- Fire maintenance company spare inventory for FD120 series
FAQ
Q: Which controller does 4A55765H22 fit?
A: It is for Eaton FD120 diesel fire pump controllers manufactured after June 2015.
Q: What boards are matched with this I/O board?
A: It pairs with 4A55765H23 engine board and 4A55765H24 display board.
Q: The display shows no sensor signal after replacement?
A: Check wiring terminals, sensor power supply and communication cable between boards.
Q: Can it replace older FD120 I/O versions directly?
A: Not compatible with pre-June 2015 FD120 units, verify controller serial number first.
