Zinsco | QFP150-3P | Circuit Breaker | 150A | 3-Pole | 240V

Zinsco QFP150-3P Circuit Breaker — a purpose-built 150A, 3-pole, 240V protection solution designed for compatible Zinsco panels. Built for maintenance, retrofit, and replacement projects where precise specifications matter, this breaker helps keep your electrical system safe and reliable.

Key specifications

• Amperage: 150A
• Poles: 3-Pole
• Voltage: 240V

Why this model stands out

• Authentic Zinsco construction ensures predictable trip characteristics and robust protection for multi-wire circuits.
• Designed to fit panels that require the QFP150-3P model—compatibility hinges on the part number, which is the best reference for matching units.
• Ideal for three common scenarios: routine maintenance on aging panels, retrofitting to a 3-pole 150A configuration, or replacing a failed breaker with an exact-spec part.

Practical guidance for installation and compatibility

• Before ordering, confirm fit and ratings against your target panel. The part number is the most reliable guide for compatibility.
• This breaker is suitable for 240V circuits requiring three-pole protection within Zinsco-compatible installations.
• For safety and code compliance, have a qualified electrician verify the overall system and perform any installation or replacement work.

What you’ll gain

• A precise, replacement-ready solution that minimizes guesswork and downtime
• Clear alignment with your panel’s specifications thanks to the definitive QFP150-3P part reference
• Reliable overcurrent protection tailored to 240V, 150A, three-pole configurations