QSFT333B w/ Mounting Kit - 30Amp Panel Switch

QSFT333B w/ Mounting Kit - 30Amp Panel Switch

The Zinsco QSFT333B is a dependable 30-amp, 250V AC twin panelboard switch designed to give you solid performance without the usual headaches. It’s made for situations where you need to manage two circuits independently — whether you're working on a home upgrade, wiring a commercial space, or tackling an industrial install. The bolt-in setup makes installation straightforward, and the included mounting kit means you won’t be running back and forth for extra hardware. It’s also compatible with both RK1 and RK5 fuses, which adds flexibility when integrating with existing systems. This is one of those products that just works — no drama, no surprises.

Key Features and Benefits

• Twin-Circuit Setup: One switch, two circuits. Keeps things neat and efficient when managing multiple loads.
• Bolt-In Design: Installs easily into most panelboards and stays secure once it’s in place.
• Fuse Compatibility: Works with Class RK1 and RK5 fuses, making replacement simple and parts easy to find.
• Mounting Kit Included: You’ll have everything you need right out of the box.
• Built for Daily Use: Made to handle the demands of everyday electrical work — whether you're in a house or a warehouse.

Technical Specifications

• Voltage: 250 Volts AC
  
• Amperage: 30 Amps
  
• Poles: 3
  
• Switch Type: QSF-T Fusible Twin
  
• Dimensions:
  • Width: 21.00 inches
  • Height: 5.50 inches
  • Depth: 5.00 inches
• Mounting Kit: Included
  

Compliance and Standards

• Electrical Standards: This switch is built to meet common electrical standards and expectations for quality. You can count on it to perform consistently and safely in real-world conditions.

Where It Works Best

• Use it in residential setups, commercial panels, or larger industrial environments — anywhere you need reliable circuit control in a compact footprint. It’s especially handy when space is tight but performance still matters. The QSFT333B makes installation smooth and future maintenance simple.