Siemens VF357B - Fusible Safety Switch 800A (600V Vacu-Break)

Siemens VF357B is a panel-mounted Vacu-Break safety switch designed for industrial circuit protection and isolation in three-phase power systems. The switch features a 600V voltage rating with an 800A current capacity and provides 200kA interrupting capacity at 480V for reliable fault protection. Constructed as a 150 lb fusible switch with three poles in single configuration, it complies with NEMA 1 standards and accepts Class T and L fuses. This industrial-grade component is engineered for integration with PLP compatible frames in demanding electrical distribution applications where robust circuit protection and isolation are required.

Key Features & Specifications

• Type: Vacu-Break fusible safety switch, panel mount
• Voltage Rating: 600V
• Current Rating: 800A
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC Rating: 200kA@480V
• Fuse Class: T, L
• NEMA Rating: 1
• Compatible Frames: PLP
• Switch Style: Fusible
• Weight: 150 lb
• Family: Vacu-Break
• Type: VF