Woodward 9902-414 Redundant Power Supply Module

Product Brief Introduction The Woodward 9902-414 redundant power supply module is a backup power unit for the 9902 control rack. Two modules can operate in parallel redundant mode. If one power supply fails, the other automatically undertakes full load to provide stable 24VDC power for all rack modules.
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Technical Specifications Wide range AC/DC input, 24VDC regulated output. Operating temperature: -40℃ ~ +70℃, built-in overvoltage, overcurrent and short-circuit protection.

Functional Features Voltage regulation, parallel load sharing, fault alarm, seamless backup switching, output ripple filtering.

Application Scenarios Critical generator control racks, gas turbine control systems, equipment requiring uninterrupted control power.

Performance Parameters Low output ripple, balanced load distribution, no power interruption during switching, high conversion efficiency.

Structural Characteristics Rack pluggable power module, power normal and fault LED indicators, built-in cooling structure.

Working Principle Two power modules share the load evenly under normal condition. Once one module fails and stops outputting, the other takes over all load instantly without cutting off rack power.

Installation Requirements Install in dedicated power slots of the rack, reserve enough ventilation space for heat dissipation.

Usage Notes Test redundant switching function regularly, replace faulty power module immediately once alarm occurs.




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