QSF4033B - 400Amp Panel Switch

QSF4033B - 400Amp Panel Switch

The Zinsco QSF4033B is a high-performance, fusible panel switch designed for demanding commercial and industrial power distribution applications. Engineered for reliability, this 3-phase, 3-pole switch operates at 250 volts A.C. and accommodates a 400-ampere load, making it an ideal choice for large-scale electrical systems. Featuring a bolt-in design and compatibility with Class RK1 and RK5 fuses, it ensures seamless installation and dependable overcurrent protection.

Key Features and Benefits:

• Fusible Design: Compatible with Class RK1 and RK5 fuses for superior overcurrent protection and easy maintenance.
• Bolt-in Type Installation: Simplifies the installation process while ensuring a secure and stable fit within panel systems.

Technical Specifications:

• Amperage: 400 Amps
• Voltage: 250 Volts A.C.
• Phases: 3 Phase
• Poles: 3 Pole
• Switch Type: Fusible, Single Unit
• Mounting Style: Bolt-in Type
• Fuse Compatibility: Class RK1 & RK5 Fuses
• Dimensions: 13.75"L x 22.5"W x 6.25"D

Material Compliance and Certifications:

• The Zinsco QSF4033B is built using materials and design practices that reflect its era of manufacture. While Zinsco panel switches were widely used in the past, it's essential to consult modern safety standards and certifications to ensure compliance when integrating this switch into existing systems.

Suitability:

• This panel switch is ideal for applications in commercial and industrial environments where high power capacity and fusible protection are critical. Its bolt-in design makes it compatible with a range of panel configurations.

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