Schneider C4032D400 MicroLogic 2.3 Trip Unit

The C4032D400 Schneider is a MicroLogic 2.3 electronic trip unit designed for advanced protection in low-voltage power distribution systems. Specifically engineered for integration with ComPacT NSX400/630 circuit breakers, this unit supports 3-pole configurations and is rated for 400 A at 40 °C.

It offers comprehensive protection functions, including long-time (L), short-time (S), and instantaneous (I) protections, with adjustable settings to suit various applications. The unit features LED indicators for overload and readiness status, enabling real-time monitoring of system conditions. Compliant with IEC 60947-2 standards, it ensures reliable performance in industrial and commercial environments.

Technical Specifications

• Model: C4032D400
• Type: Electronic Trip Unit
• Brand: Schneider Electric
• Range: ComPacT NSX New Generation

Power & Performance

• Rated Current: 400 A at 40°C
• Poles: 3P (Three Poles)
• Protected Poles: 3D
• Trip Unit Technology: Electronic
• Operational Voltage: 690V AC 50/60Hz
• Trip Unit Protections: L (Long-Time), S (Short-Time), I (Instantaneous)
• Application: Distribution

Protection Functions

• Long-Time Protection (Overload): Adjustable 160A – 400A (9 settings)
• Long-Time Protection Delay:
  • 11s at 7.2 x Ir
  • 16s at 6 x Ir
  • 400s at 1.5 x Ir
• Thermal Memory: 20 minutes before and after tripping
• Short-Time Protection (Short-Circuit): Adjustable 1.5 to 10 x Ir
• Short-Time Delay: Fixed
• Instantaneous Protection: Fixed at 4800A
• Earth Leakage Protection: Not Included
• Zone Selective Interlocking (ZSI): Not Available

Build & Design

• Mounting Mode: Fixed
• Local Signaling:
  • Flashing Green LED – Ready to operate
  • Red LED – Overload (105% Ir)
  • Orange LED – Pre-alarm (90% Ir)

Physical Specifications

• Gross Weight: 1.400 kg
• Net Weight: Approx. 1.4 kg

Dimensions:

• Height: 140 mm
• Width: 175 mm
• Depth: 205 mm

C4032D400 Additional Features

• Operating Temperature: -25°C to 70°C
• Storage Temperature: -50°C to 85°C
• Standards Compliance: IEC 60947-2, Pollution Degree 3
• Electrical Shock Protection: Class II
• IP Rating: IP40 (IEC 60529)

Environmental Impact

• Carbon Footprint: 90 kg CO₂-eq (Total Life Cycle)
• Recycled Metal Content: 0%

Key Features & Benefits

✅ Electronic Adjustable Protections: Precisely set long-time and short-time protections for optimal system safety.

✅ Status LED Indicators: Clear visual feedback on circuit breaker readiness and overload conditions.

✅ Robust & Compact Design: Built for demanding industrial and commercial environments.

✅ EcoStruxure Power Ready: Compatible with PowerTag NSX for connected energy monitoring.

✅ Easy Installation: Ergonomic design for reduced wiring time and simple integration.

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