UBIF250NB | Circuit Breaker | 50A | 2-Pole | 120V

When your industrial electrical system needs reliable, compatible protection, the UBIF250NB is the choice for maintenance, retrofit, and replacement projects requiring precise specs. This 50A, 2-pole, 120V circuit breaker is built to safeguard critical circuits while simplifying compatibility in service panels that rely on durable, field-ready components.

Core specs at a glance

• Amperage: 50A — robust protection for mid-range branch circuits without unnecessary tripping.
• Poles: 2-Pole — protects both hot lines, ensuring complete circuit interruption and enhanced safety.
• Voltage: 120V — standard for many commercial and industrial control circuits.
• Reference: Part number UBIF250NB — the most reliable identifier for compatibility in retrofit and replacement scenarios.

Why this specific circuit breaker stands out

• Engineered for retrofit and replacement workflows — designed to slot into existing panels where 50A, 2-pole, 120V protection is required, minimizing downtime and recalibration.
• Clear compatibility guidance — the part number UBIF250NB is the best reference for ensuring you’re ordering the right device for your panel and load requirements.
• Two-pole protection — by interrupting both conductors, it provides safer shutdown for dual-hot or multi-line circuits common in industrial environments.

Ideal use scenarios

• Maintenance: swap-in replacements during routine service to restore full protection without changing other components.
• Retrofit: upgrade legacy or undersized breakers to match modern load profiles and govern loads more safely.
• Replacement: efficient substitution when the original part number or specs align with UBIF250NB.

Before purchasing, double-check that the fit and ratings match your panel and circuit requirements. Use the UBIF250NB as your primary compatibility reference to ensure seamless integration and dependable protection for your 50A, 2-pole, 120V circuit.