Square D QOB120EPD 20A 1P 120V Circuit Breaker, GFCI, Bolt-On | AmpState

Meet the Square D QOB120EPD 20A 1P 120V GFCI bolt-on circuit breaker—crafted for reliable protection in panelboards, load centers, and electrical distribution systems. This exact part-number match is a smart choice for maintenance teams, panel builders, and spare-inventory workflows where precision is essential and substitutions aren’t an option.

Smart safety, dependable performance

Equipped with integrated Ground Fault Circuit Interrupter (GFCI) protection, the QOB120EPD quickly detects ground faults and shuts the circuit to reduce shock risk. Designed for 120V circuits at 20 amps and a single pole, it offers targeted protection where it’s most needed, helping to meet safety codes and protect personnel and equipment.

Key specifications at a glance

• Brand: Square D (Schneider Electric)
• Part Number: QOB120EPD
• Amperage: 20 A
• Poles: 1
• Voltage: 120V
• Mounting: Bolt-On
• Type: GFCI circuit breaker
• Applications: Panelboards, load centers, electrical distribution

Why this breaker stands out

• Exact part-number fit: Minimizes guesswork during replacements or panel upgrades, helping you avoid incompatible or oversized options.
• Bolt-On mounting: Secure, straightforward installation in compatible enclosures with durable mounting hardware.
• GFCI protection: Adds essential ground fault safety for circuits where moisture, water exposure, or sensitive electronics are a concern.
• Compact yet capable: A 1-pole, 20A design that fits standard panel spaces while delivering reliable protection for dedicated circuits.

AmpState carries this exact part in stock and ready to ship. If you’re verifying compatibility with your panel, we can confirm fit based on the part-number match. Reach out and we’ll ensure you get the right configuration for your system.