Overview
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | K9203A |
| Brand | HIMA |
| Product Parameters | Circulation Fan Drawer |
| Replaces | K 9202 (3-axis circulation fan drawer) |
| Tariff Code | 8537101190 |
| Country of Origin | Germany |
| Estimated Shipping Size | 48.3 x 20.3 x 4.5 cm |
| Weight | 2 kg |
| Material | Aluminum, anodized |
| Operating Data | 24 VDC, -15 to +20 %, ripple ≤15 % |
| Air Flow | 300 m3 per hour |
| Rated Speed | 2800 min^-1 |
| Sound Pressure Level | approx. 55 dB(A) |
| Lifetime at 40 °C | 62 500 h |
| Space Requirement | 19 inch, 1 RU, depth 215 mm |
| Ambient Temperature | -20 to +70 °C |
The 24 VDC operating range allows a -15 % to +20 % supply deviation, while the ripple limit of ≤15 % keeps motor stress low on shared DC bus supplies. Therefore, the drawer runs from a standard controlled 24 VDC rack power feed without extra conditioning. The run monitor observes fan operation and supports status feedback; however, the original data does not define its alarm outputs or interface signals.
At 2800 min^-1, the unit delivers 300 m3 per hour of airflow and stays near 55 dB(A) sound pressure. Meanwhile, the rated lifetime of 62 500 h at 40 °C reflects continuous-duty bearing and motor endurance, not a service interval under all ambient conditions. Furthermore, the 1 RU, 19-inch form factor with 215 mm depth lets maintenance teams swap the drawer into existing racks without modifying panel cutouts.
Frequently Asked Questions
Q: What does the K9203A replace?
A: It replaces the earlier 3-axis circulation fan drawer listed under K 9202. Use K9203A as the current order number when sourcing a replacement.
Q: Can the K9203A share a 24 VDC supply with other rack components?
A: Yes, provided the supply stays within -15 % to +20 % of 24 VDC and ripple stays ≤15 %. Size the power budget for continuous fan load plus existing rack loads.
Q: Does the run monitor provide a dry contact or digital alarm?
A: The provided data confirms a run monitor is present but does not specify contact type, signal level, or wiring. Verify the monitor interface against the unit label or HIMA rack documentation before termination.
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