Products Description
HIMA K9203A Rack Fan Module

Technical Specifications
Model:K9203A
Part No:996920360
Brand:HIMA
Power supply:24V DC (-15%~+20%),max 750mA
Fan quantity:3 axial fans
Airflow:300m³/h
Sound pressure:approx.55dB(A)
Mounting:19 inch 1U rack installation
Protection class:IP20
Diagnosis:Fan speed monitoring,stall detection,voltage monitoring,dry contact fault alarm output
Operating temperature:-20~+70℃
Relative humidity:5~95% non-condensing
Weight:1.8kg
Certification:CE
System compatibility
Designed for HIMA HIMax PES safety system,installed in 19-inch safety cabinet to provide forced air cooling for CPU,communication and I/O modules,widely used in petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.
Function
HIMA K9203A rack triple fan cooling assembly.It continuously dissipates heat for all modules inside HIMax 19 inch safety cabinet.The module monitors fan rotating speed and supply voltage in real time.When fan stall or speed abnormal detected,the module triggers fault alarm and sends dry contact warning signal to safety controller.
Installation
Install into standard 19-inch 1U cabinet slot,lock the fixing bracket,connect 24V DC power and alarm signal cable,check fan rotation and alarm function via SILworX engineering software.
Interface
‑24V DC power input terminals
‑Dry contact fault alarm terminals
‑LED indicators for run and fault status
Circuit feature
Fail-safe fan monitoring design,real-time speed detection,voltage supervision,strong anti-electromagnetic interference,meets safety requirements for hazardous industrial environment.
Feature
HIMax series 19” rack cooling fan K9203A. Common faults:fan bearing aging,cable loose,fan stall.Confirm cabinet compatibility before replacement.
Diagnostic
Fan stall,low rotation speed or power supply abnormal triggers fault alarm;controller executes safety warning logic.

Built‑in function
K9203A provides forced cooling and fan fault monitoring for SIS safety instrumented system emergency shutdown protection,widely used for process plant safety spare replacement.
Product Brief
K9203A (P/N 996920360) belongs to HIMA HIMax family,19 inch 1U rack mounted 24VDC triple fan cooling module with speed and voltage monitoring. Verify cabinet compatibility before ordering.Test fan and diagnosis function during commissioning. ESD anti‑static protection shall be followed during installation.