Specifications

• Manufacturer: Zinsco
• Part Number: Q40
• Alternate Part Number: Q-40 / Q140
• Product Type: Circuit Breaker
• Series / Type: Type Q
• Amperage: 40A
• Number of Poles: 1-Pole
• Voltage: 120VAC
• Phase: Single Phase
• Mounting Type: Plug-In
• Application: Replacement breaker for compatible Zinsco Type Q load centers
• Condition: Refurbished
• Manufacturer Status: Discontinued
• UPC: Not Available
• Weight: Approximately 0.33 lbs.

Product Description

The Zinsco Q40 is a 40 Amp, 1-pole, 120V Type Q circuit breaker designed for use in compatible Zinsco electrical panels and load centers. This breaker is intended primarily as a replacement for existing Zinsco Type Q breakers where the panel and application require the same breaker type, amperage, pole configuration, and voltage.

The Q40 features a single-pole, plug-in design and is commonly identified by part numbers Q40, Q-40, or Q140. Because Zinsco breakers and panels are older and no longer manufactured by the original manufacturer, customers should carefully verify their existing breaker and panel compatibility before ordering.

Key Features

• 40 Amp
• 1-Pole
• 120VAC
• Zinsco Type Q
• Plug-in mounting
• Part number Q40
• Also commonly identified as Q-40 / Q140
• Designed for compatible Zinsco Type Q panels and load centers
• Original Zinsco replacement breaker
• Discontinued / legacy electrical equipment

Condition

REFURBISHED: This is a previously installed or energized circuit breaker and may show signs of prior use, including cosmetic wear, scratches, markings, or discoloration. Product appearance may vary from the images shown.

Important Compatibility Note: Zinsco produced multiple breaker styles and configurations. Before ordering, verify the manufacturer, Type Q designation, amperage, number of poles, voltage, physical configuration, and connection style against your existing breaker and panel. Do not purchase based on amperage alone.