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| Series | THB Series |
| Fan Type | Tubeaxial |
| Features | Locked Rotor Protection, PWM Control, Speed Sensor (Tach) |
| Size / Dimension | Square - 139.7mm L x 139.7mm H |
| Width | 38.00mm |
| Bearing Type | Ball |
| Voltage - Rated | 48 VDC |
| Static Pressure | 1.650 in H2O (411.0 Pa) |
| Air Flow | 325.9 CFM (9.13m³/min) |
| Noise | 66.8dB(A) |
| Power (Watts) | 52.8 W |
| Speed (RPM) | 6100 RPM |
| Termination | 4 Wire Leads |
| Operating Temperature | 14 ~ 158°F (-10 ~ 70°C) |
| Approval Agency | CE, cURus, TUV |
| Weight | 1.3 lbs (600.0 g) |
A: Absolutely. Our automated billing system generates itemized Proforma Invoices (PI) and Commercial Invoices containing corporate tax IDs, purchase order (PO) numbers, and explicit company details necessary to satisfy international corporate accounting and auditing standards.
A: Buyers must inspect the outer packaging and internal items immediately upon delivery. If physical damage is discovered, document the condition with photos/videos and submit a claim to OKmarts within 48 hours of receipt so we can file an immediate report with the carrier and fast-track a replacement shipment.
A: We operate an international sales and support desk that covers major global operating hours. Every corporate buyer is assigned a dedicated Account Manager who coordinates cross-border communications, ensuring that urgent technical queries or logistics issues are answered regardless of the time difference.
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A: Absolutely! We offer special discounts for bulk purchases. The more you buy, the more you save. Please contact our sales team or check our website for more information on bulk pricing and discounts.
A: International orders may be subject to customs regulations, import duties, and taxes imposed by the destination country. These additional charges are the responsibility of the buyer. Please check the customs regulations of your country before placing an international order.
A: On the order page, you can view the shipping status of your order. Once the order is shipped, we will provide corresponding logistics information, including the logistics company and tracking number, so you can track the delivery progress of your order.
Apr 29, 2026
Sep 04, 2025
