NB111020 20A 1P 120V Circuit Breaker, Bolt-On | AmpState

The NB111020 20A 1P 120V Circuit Breaker, Bolt-On from AmpState is a reliable protection device designed for panelboards, load centers, and electrical distribution networks. When a direct part-number match matters, this 1-pole breaker delivers a precise fit and predictable performance.

Key specifications

• Amperage: 20 A
• Poles: 1 Pole
• Voltage: 120V
• Mounting: Bolt-On
• Part Number: NB111020
• Manufacturer: Brand Not Specified
• Product Type: Circuit Breaker

Who benefits

• Maintenance teams auditing or repairing panelboards and load centers
• Panel builders sourcing exact part numbers for assembly
• Spare inventory for service fleets needing reliable 20A protection

Why this part stands out

• Direct part-number match: NB111020 is a precise fit where an exact replacement is required, reducing time spent on compatibility checks.
• Bolt-On reliability: The bolt-on mounting provides a solid, secure connection to the electrical distribution bus, minimizing vibration and loosening over time.
• Compact, single-pole design: Ideal for 120V circuits and when space or simple circuit protection is needed.
• AmpState availability: A trusted source for replacement breakers and panel accessories.

Practical use cases

• Replacing a failed breaker in an existing residential or light commercial panel where a 20 A, 1P 120V bolt-on device is the correct match.
• Stocking a spare NB111020 for service vans to shorten on-site downtime during maintenance calls.
• Integrating into panel-building projects that require a ready-to-order, exactly matched part number without substitutions.

Installation and compatibility tips

To ensure safe, reliable operation, verify that the circuit breaker’s part number (NB111020) matches the panel’s labeling and your catalog or shipment details. If you’re unsure about compatibility or have a tricky panel configuration, AmpState support can help confirm fit and avoid incorrect replacements.