National Standard CD、MD Series Electric Hoists (0.5-20t)　　Product Introduction: The National Standard CD and MD electric hoists are electric hoists with a reasonable structure, convenient assembly, and superior performance. The lifting capacity ranges from Gn=0.5 tons to 20 tons, with a lifting height of 6m to 30m (up to 100m), an ambient temperature of below +40℃, and a working system of 25%. These are light crane equipment widely used in factories, warehouses, logistics, and other applications. They also meet the standards of GB/T 10051-2010 "Electric Hoists" and GB 6067.1-2010 "Safety Rules for Lifting Appliances Part 1: General".　　Technical Features: The three-in-one rotating system, electrical contactless module speed control, and the ability to achieve micro-speed and dual-speed proximity frequency conversion functions ensure particularly smooth operation, lifting, and inching. Equipped with overload alarm, skew lifting protection, secondary protection against hook impact, and phase loss overcurrent protection, the control console (handle) uses 12V safe voltage, achieving multi-functional protection for the hoist. The electric control can be used for up to "2 million" cycles when the voltage is within 380V+5~-10%.　　Modular Design: Components are easy to disassemble and maintain, such as the motor and reducer, which can be quickly separated.　　Structural Design: Balancing reliability and economy in conventional industrial applications, it is an ideal choice for small and medium-tonnage lifting tasks.　　Compact and Lightweight: The structural layout is optimized for spaces with limited constraints.　　Protection Level: The motor and electrical components generally achieve IP54, providing dust and water resistance and adapting to harsh environments.. 　　Performance Parameters:　　Lifting capacity: 0.5 tons to 20 tons; lifting height: 6m to 30m (up to 100m); working level: A3 to A4　　Main Components: (lifting motor; hoist trolley; rope guide; hook; overload protection)