Zinsco QSF4053 - Fusible Safety Switch 400A 600V (3-Pole Panel Mount)

Zinsco QSF4053 is a panel-mounted safety switch designed for industrial circuit protection and isolation in three-phase electrical systems. This 600V AC fusible switch features a 400A current rating and utilizes RK1/RK5 class fuses for reliable overcurrent protection. The heavy-duty construction weighs 200 pounds with a single configuration and three-pole design compatible with ED frames. Engineered to meet industrial safety standards, this switch provides secure disconnection capabilities for maintenance and emergency shutdown procedures in commercial and industrial power distribution applications.

Key Features & Specifications

• Type: Panel-mounted safety switch, fusible design
• Voltage Rating: 600V AC
• Current Rating: 400A
• Configuration: Single
• Poles: 3
• Phase: 3-phase
• Fuse Class: RK1, RK5
• Compatible Frames: ED
• Switch Style: Fusible
• Weight: 200 lb
• Family: QSF Series
• Item Subcategory: Panel Mount

Product Identification

• GTIN: 00785901029274