Honeywell 51303940‑250

Product Name

Cabinet Cooling Fan Assembly With Failure Alarm

Product Description

Control cabinet forced‑air cooling fan assembly specially used for Honeywell DCS cabinet, provides high static pressure air flow for heat dissipation of internal boards and processors, and integrates fan fault monitoring alarm function to feed back fan failure status to control system.

Category:
Description

Technical Specifications

  • Model: 51303940‑250
  • Rated Voltage: 170‑264 VAC single‑phase
  • Rated Current: 0.5 A
  • Frequency: 50 / 60 Hz
  • Alarm Output: Fan fault switching value signal
  • Operating Temperature: 0 ℃ ~ 60 ℃
  • Weight: 5.0 kg

Functional Features

  • High static pressure air flow for cabinet internal heat dissipation
  • Real‑time fan rotation speed monitoring
  • Hardware fault alarm signal output upon stall or damage
  • Industrial‑grade long‑life bearing fan core
  • Integrated mounting structure for quick replacement

Application Scenarios

DCS electrical cabinet heat dissipation, industrial control cabinet ventilation cooling, large‑scale automation equipment cabinet temperature control, petrochemical and power industry control room cabinet.

Performance Parameters

Stable air output under cabinet high‑temperature environment; fault alarm trigger immediately when fan stalls; long service life of bearing components.

Material Composition

Metal mounting frame; metal fan housing; high‑temperature resistant fan bearing; signal wiring terminal block.

Structural Characteristics

Integral fan frame assembly; fixed mounting hole position; signal and power double‑terminal‑block structure; modular plug‑in replacement design.

Working Principle

The fan rotates to form forced convection inside the cabinet to take away heat generated by electronic components; the rotation‑speed‑detection circuit monitors fan operating status, outputs alarm switching signal when rotation speed deviates from normal range.

Installation Requirements

Install at the designated ventilation position of the control cabinet; fix mounting screws firmly; connect power supply and alarm signal wiring according to terminal definition; ensure no blockage of air inlet and outlet.

Usage Notes

Cut off power supply before disassembly and replacement; regularly clean fan blades and filter screen dust; do not run with blocked air duct; check alarm signal loop during periodic maintenance.

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