Schneider C2532D250 ComPacT NSX250 Trip Unit 3P 250 A MicroLogic 2

The Schneider Electric C2532D250 is a MicroLogic 2.2 electronic trip unit for ComPacT NSX250 circuit breakers, providing basic electronic overload and short-circuit protection with a 250 A rating. Designed for distribution applications, it offers adjustable long-time and short-time protection settings across 3 protected poles. Operating on AC networks at up to 690 V, it delivers precise, reliable protection for industrial power distribution systems.

Technical specifications:

• Commercial reference: C2532D250
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX100...250
• Product type: Electronic trip unit
• Trip unit name: MicroLogic 2.2
• Trip unit technology: Electronic
• Compatible with: ComPacT NSX250
• Number of poles: 3P (3 protected poles - 3D)
• Protection functions: L (long-time overload), So (short-time short-circuit, fixed delay), I (instantaneous short-circuit)
• Trip unit rating: 250 A at 40 °C
• Rated operational voltage: 690 V AC 50/60 Hz
• Network type: AC
• Network frequency: 50/60 Hz
• Long-time pick-up (Ir) adjustment range: 100...250 A (9 settings)
• Long-time delay (tr): 11 s at 7.2x Ir, 16 s at 6x Ir, 400 s at 1.5x Ir (fixed)
• Short-time pick-up (Isd) adjustment range: 1.5...10 x Ir (9 settings)
• Instantaneous pick-up (Ii): 3000 A (fixed)
• Thermal memory: 20 minutes before and after tripping
• IP protection rating: IP40 (IEC 60529)
• Operating temperature: -25...70 °C
• Storage temperature: -50...85 °C
• Pollution degree: 3 (IEC 60947-1)
• Electrical shock protection class: Class II
• Circuit breaker mounting mode: Fixed
• Standard: EN/IEC 60947-2
• Weight: 426 g

Features and benefits:

• LSoI protection scheme covering overload, short-time delayed, and instantaneous short-circuit protection in a single unit
• 9-position adjustable Ir setting (100...250 A) for flexible overload protection calibration
• 9-position adjustable Isd setting (1.5...10 x Ir) for selective short-circuit coordination
• Thermal memory function retains thermal state for 20 minutes, preventing nuisance retrips after a fault
• LED signalling: green (ready), red (overload at 105% Ir), orange (pre-alarm at 90% Ir) for clear status indication
• Wide operating temperature range of -25...70 °C suitable for demanding industrial environments

Applications:

• Industrial power distribution panels requiring selective protection coordination
• Main or sub-distribution boards in commercial and industrial buildings
• Feeder protection in low-voltage switchgear assemblies
• Applications requiring precise overload and short-circuit protection up to 690 V AC

Compliant with EN/IEC 60947-2. Part of the Schneider Electric ComPacT NSX range.

Also known as: Schneider C2532D250, Schneider Electric C2532D250, MicroLogic 2.2 trip unit NSX250, ComPacT NSX250 electronic trip unit.