China Suppliers Factory HH15 (QSA) Series Switch Disconnector Fuse for High Short-Circuit Current Applications

Mainly used in distribution circuits and motor circuits, as a main switch or master switch for manual infrequent operation.

• Suitable for circuits with AC 50Hz, rated voltage up to 660V, and agreed heating current up to 1250A.
• Adopting a fully enclosed structure with a quick operating mechanism to ensure the safety of operators and equipment.
• The contact system is unique and can effectively prevent the occurrence of contact welding points, withstanding large short-circuit currents.
• The operating handle can be installed on the switch cabinet door and interlocked with the cabinet door to prevent accidental operation.

• High breaking capacity, reaching 660V, AC-23 category.
• The contact has a long lifespan and is equipped with an arc reducing device.
• Strong isolation function, able to safely replace fuse links and inspect and repair power distribution equipment.
• Standardized and serialized design, convenient for selection and use.
• Is designed for distribution circuits and motor circuits with high short-circuit currents, ensuring safety and reliability at critical moments.
• As a manual and infrequently operated main switch, it is particularly suitable for installation in high-rise drawer-type low-voltage complete equipment, which is convenient for maintenance and operation.
• The design of the double-investment switch enables it to efficiently connect and disconnect dual circuits, meet diverse power needs, and meet the performance standards of IEC947-3, ensuring the international recognition and safety of the product.