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| Type | EC AC Axial fans |
| Motor | M8D 138-HF |
| Nominal voltage | 3~400 |
| Frequency | 50 |
| Speed | 680 |
| Max. Input power | 720 |
| Max. Input current | 2,00 |
| Capacitor | --- |
| Max. back pressure | 90 |
| Perm. ambient temp. | -40..+40 |
A: Yes. To maximize peace of mind for high-value or critical orders, buyers can request a "Pre-Shipment Video Verification." Our warehouse team will film the unboxing, display the original manufacturer seals, show matching serial numbers, and verify the physical condition of the components in real-time or via a high-definition video link.
A: We protect your data using enterprise-grade SSL encryption and secure cloud architectures. Any technical blueprints, system designs, or proprietary engineering files uploaded to our servers for customization or compatibility analysis are treated under strict confidentiality protocols and non-disclosure standards.
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.
High Efficiency
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A: On the product details page, you can view the size and specifications of the product. We usually provide detailed size charts and specification descriptions to help you choose the right product.
A: We highly value your feedback and would like to hear about your shopping experience. You can contact our customer service or provide feedback through the "Screenshot Feedback" feature on our website. We welcome your opinions and suggestions as they help us improve our services and better serve our customers.
A: The warranty coverage for a product is usually specified on the product details page or in the warranty information provided by the manufacturer. You can review this information before making a purchase to understand the warranty coverage.
Mar 09, 2022
