The Schneider Electric C25B4 is a 4-pole moulded-case circuit breaker base frame from the ComPacT NSX new generation range, model NSX250B, supplied without a trip unit for configuration with separately selected protection units in industrial power distribution applications.

• Reference: C25B4
• Range: ComPacT NSX new generation
• Model: NSX250B
• Type: Base frame, without trip unit
• Poles: 4P
• Rated current (In): 250 A at 40C
• Breaking capacity (Icu): 25 kA at 415 V AC
• Rated voltage (Ue): 690 V AC 50/60 Hz, IEC 60947-2
• Utilisation category: Category A