Siemens | Q22020NC | Circuit Breaker | 20A | 4-Pole | 240V

Meet the Siemens Q22020NC Circuit Breaker — a precise, four-pole protection device crafted for reliability in maintenance, retrofit, and replacement projects where exact specifications matter. With a 20A rating and 240V capability, this unit delivers dependable overcurrent protection for demanding electrical setups while keeping service downtime to a minimum.

• Four-pole, 240V design: Ensures simultaneous disconnection of all conductors on 240V circuits, enhancing safety during servicing.
• 20A rating: Provides targeted protection for moderate-load circuits, reducing the risk of nuisance trips and protecting connected equipment.
• Exact part reference: The Q22020NC model is the best reference for compatibility, helping you source the right replacement or retrofit part quickly.
• Maintenance, retrofit, and replacement ready: Specifically suited for projects that require matching specs to keep panels running smoothly.

Fitment and compatibility

Before ordering, confirm fit and ratings for your panel. The Q22020NC part number is the strongest indicator of compatibility with existing Siemens equipment and panel configurations. If your installation calls for a four-pole, 240V breaker with a 20A load, this unit aligns with those requirements.

Ideal use cases

• Retrofit projects where 4-pole, 240V protection is required to coordinate with existing circuitry.
• Replacement for a failed Siemens breaker in 240V systems demanding four-pole disconnection.
• New installations that require precise 20A protection for 240V loads in commercial or industrial environments.

Installation and safety tips

• Always power down the panel and follow proper lockout/tagout procedures before servicing.
• Verify that your panel supports 4-pole devices and that the bus configuration matches the Q22020NC requirements.
• Adhere to local electrical codes and torque specifications for secure, reliable connections.

Product specs at a glance

• Amperage: 20A
• Poles: 4-Pole
• Voltage: 240V
• Part number: Q22020NC
• Application: Maintenance, retrofit, and replacement where matching specs are required

For professionals who value compatibility, safety, and dependable performance, the Siemens Q22020NC 20A 4-Pole 240V circuit breaker is a precise, ready-to-install solution that keeps electrical systems protected and running smoothly.