NB3P20-FLAT-TOP | Circuit Breaker | 20A | 3-Pole | 240V

Engineered for demanding industrial environments, the NB3P20-FLAT-TOP is a 20A, 3-pole, 240V circuit breaker built for maintenance, retrofit, and replacement tasks where exact compatibility matters. Its flat-top design helps it sit securely in compatible panels, making installations cleaner and more reliable in tight electrical spaces.

Key specifications

• Amperage: 20A
• Poles: 3-Pole
• Voltage: 240V
• Form factor: Flat-top housing for secure mounting in compatible enclosures
• Reference: Part number NB3P20-FLAT-TOP ensures correct compatibility

What makes NB3P20-FLAT-TOP different

• Exact part reference — The NB3P20-FLAT-TOP is the precise choice when your system specifies this part number, reducing guesswork and compatibility risk during maintenance or retrofits.
• Three-pole protection — The 3-Pole design guarantees simultaneous disconnection of all phases in a 3-phase 240V circuit, enhancing safety during abnormal conditions and service work.
• Suitability for 240V systems — Built for standard industrial distribution, this breaker aligns with common 3-phase configurations found in manufacturing, processing, and facility electrical gear.
• Compact, space-conscious form — Flat-top styling supports tidy, reliable mounting in panels with limited vertical clearance, helping to maintain panel organization and airflow.

Ideal use cases

• Maintenance on 3-phase equipment where a 20A, 240V protective device is specified
• Retrofit projects aiming to restore original protection profiles in existing panels
• Replacement of failed breakers in industrial control panels that require a 3-pole, 240V solution
• New installations that demand exact part compatibility to ensure compliant circuit protection

Installation and compatibility notes

Before ordering, confirm fit and ratings to ensure seamless integration with your panel. The part number NB3P20-FLAT-TOP is your most reliable reference for compatibility. If your system requires a 20A, 3-Pole, 240V protective device, this breaker is designed to meet those specifications and support safe, reliable operation.

Practical tips for best results

• Match the panel’s labeling and documentation to the NB3P20-FLAT-TOP to avoid mismatches during replacement.
• Inspect mounting and terminal connections after installation to ensure solid conductivity and secure mounting in the flat-top design.
• Use in conjunction with appropriate enclosure ratings and labeling to maintain safety compliance in industrial environments.

Whether you’re maintaining critical equipment, retrofitting aging panels, or replacing a failed device, the NB3P20-FLAT-TOP provides precise compatibility, reliable three-phase protection, and a form factor that respects space constraints—delivering dependable circuit protection exactly where you need it.