Product Core Brief
- Model: X-FAN 18 03
- Brand: HIMA
- Series: HIMax / X-Base
- Core Function: Provides forced air cooling for 18-slot safety control racks.
- Product Type: Rack Fan Module
- Key Specs: 300 m³/h | 220 VAC | IP54 / ATEX
- Condition: New Original (New Surplus)
Product Introduction
The HIMA X-FAN 18 03 is a forced-air cooling module designed specifically for the X-Base Plate 18 01 rack. It ensures critical safety controllers maintain safe operating temperatures in harsh industrial environments.
This unit delivers 300 m³/h of airflow with IP54 protection and ATEX certification for explosive atmospheres. Unlike generic fans, this module integrates directly into the rack’s backplane for redundant power and monitoring, ensuring continuous thermal management.

HIMA X-FAN
Key Technical Specifications
| Parameter | Value |
|---|---|
| Airflow | 300 m³/h (single unit) |
| Supply Voltage | 220 VAC (Single Phase) |
| Noise Level | ≤ 45 dB(A) |
| Protection Class | IP54 (Dust/Water Resistant) |
| Certification | ATEX (Explosion Proof) |
| Compatibility | X-Base Plate 18 01 (18-slot) |
| Mounting | Modular Rail / Backplane Slot |
| Maintenance | Removable Metal Filter Mesh |
| Operating Temp | -40 °C to +85 °C (Ambient) |
| Redundancy | 4 Units Parallel (Standard Config) |
Quality Control Process (Engineer’s Perspective)
We don’t just box these and ship them. Here is our actual bench test workflow.
- Incoming Verification: We verify the serial number against HIMA’s traceability records. A visual inspection checks for bent fan blades and ensures the metal filter mesh isn’t clogged or damaged.
- Live Functional Test: We apply 220 VAC and verify all fans spin up smoothly. We use an anemometer to confirm the combined airflow meets the 300 m³/h spec at the exhaust.
- Electrical Parameter Test: We measure the current draw with a Fluke 115 to ensure the motor isn’t drawing excessive amperage due to bearing wear. Ground continuity to the chassis is verified.
- Firmware Verification: N/A for mechanical modules. We photograph the label and connector pinout to ensure no manufacturing date anomalies exist.
- Final QC & Packaging: The module is sealed in an anti-static bag with silica gel. A QC sticker showing the test date and technician initials is applied to the exterior.

HIMA X-FAN
Replacement Pitfall Guide
Field replacements on safety systems are unforgiving. Watch out for these traps.
- Firmware Mismatch: ❗ Critical. While this is a mechanical module, the HIMax CPU monitors fan feedback. If your system expects specific RPM thresholds or redundancy logic, verify the X-FAN 18 03 matches your configuration matrix.
- DIP Switch / Jumper Misconfiguration: This module has no user-adjustable switches. However, ensure you aren’t confusing it with the X-FAN 18 01; they have different mounting footprints and airflow directions.
- Terminal / Cable Incompatibility: Inspect the 220 VAC power connector before plugging in the new card. Corroded pins or loose crimps are common failure points that mimic fan motor failure.
- Power Supply Mismatch: Verify your 220 VAC field power supply has at least 20% headroom. Four fans starting simultaneously can cause an inrush current spike that might trip an undersized breaker.
- ESD Damage: Safety modules are highly sensitive to electrostatic discharge. Always wear a grounded wrist strap when handling the bare PCB. I’ve seen modules fail bench testing because they were handled on a dry winter day without protection.
Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
Compatibility
- HIMA X-FAN 18 01 → X-FAN 18 03 : Needs Adaptation — Different form factor and airflow rating.
- HIMA X-FAN 18 03 Rev A → X-FAN 18 03 Rev B : Direct Replacement — Verify mounting hole alignment.
Benchmarks
- Total Airflow Volume: 300 m³/h (free air, no backpressure)
- Start-up Time: < 2 s (at 220 VAC nominal)







