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| Type | EC AC Axial fans |
| Motor | M4E 074-DF |
| Nominal voltage | 1~230 |
| Frequency | 50 |
| Speed | 1340 |
| Max. Input power | 165 |
| Max. Input current | 0,73 |
| Capacitor | 4,0/400 |
| Max. back pressure | 75 |
| Perm. ambient temp. | -40..+45 |
A: Hardware units ship with standard factory-default firmware. For proprietary programming software or specific firmware flashes required for legacy system compatibility, buyers must consult our technical support team during procurement to confirm licensing terms.
A: While standard warranties do not cover user-inflicted installation damage, we support your recovery velocity. In emergency situations where a commissioned part is accidentally fried or structurally damaged, we offer an expedited "Rapid Replacement" service, prioritizing your emergency order at a discounted technical assistance rate to minimize factory downtime.
A: OKmarts operates under a strict Order Accuracy Guarantee. If the part numbers delivered do not match your approved Proforma Invoice or Purchase Order due to our fulfillment error, we will issue a full refund or expedite a replacement shipment immediately, covering all return international freight charges.
High Efficiency
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Long Service Life
A: We understand that sometimes you may need to change the shipping address. Please contact our customer service as soon as possible, and we will do our best to accommodate your request, depending on the order status and feasibility.
A: We currently do not support it, but we have a Progressive Web App (PWA) and a well-adapted mobile version of our website. Additionally, we are in the process of developing a mobile application for iOS and Android devices. Our mobile app will provide a convenient and user-friendly shopping experience, including personalized recommendations, easy navigation, and order tracking features.
A: You can easily view the sales ranking and ratings of products by visiting the product page. The rankings and ratings are prominently displayed, providing valuable insights from other customers.
Mar 09, 2022
