Schneider C4036M320 MicroLogic 6.3 E-M Trip Unit

The C4036M320 Schneider is a MicroLogic 6.3M electronic trip unit engineered for advanced motor protection in low-voltage power distribution systems. Specifically designed for integration with ComPacT NSX400/630 circuit breakers, this unit supports 3-pole configurations and is rated for 320 A at 40 °C.

It offers comprehensive protection functions, including long-time (L), short-time (S), instantaneous (I), and ground fault (G) protection, with adjustable settings to suit various applications. The integrated motor protection features cover current unbalance, protracted starting time, stalled rotor, and underload conditions, enhancing system safety. Additionally, the unit features an LCD display for energy metering and real-time monitoring of system conditions. Compliant with IEC 60947-2 standards, it ensures reliable performance in industrial and commercial environments.

Technical Specifications

• Model: C4036M320
• Type: Electronic Trip Unit with Energy Meter
• Brand: Schneider Electric
• Range: ComPacT NSX New Generation

Power & Performance

• Rated Current: 320 A at 65°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), G (Ground Fault)
• Application: Motor Protection with Energy Metering

C4036M320 Protection Functions

• Long-Time Protection (Overload): Adjustable 160A – 320A
• Long-Time Delay (Trip Classes):
  • Class 5: 120s at 1.5 x Ir / 6.5s at 6 x Ir / 5s at 7.2 x Ir
  • Class 10: 240s at 1.5 x Ir / 13.5s at 6 x Ir / 10s at 7.2 x Ir
  • Class 20: 480s at 1.5 x Ir / 26s at 6 x Ir / 20s at 7.2 x Ir
  • Class 30: 720s at 1.5 x Ir / 38s at 6 x Ir / 30s at 7.2 x Ir
• Motor Protection: Protracted starting time, current unbalance, underload, stalled rotor
• Thermal Memory: 20 minutes before and after tripping
• Short-Time Protection: Adjustable 5 to 13 x Ir (9 settings)
• Short-Time Delay: Fixed
• Instantaneous Protection: Fixed at 4800A
• Ground Fault Protection: Adjustable 0.2 to 1 x In (Enable/Disable)
• Ground Fault Delay: Adjustable 0 to 0.4s
• Earth Leakage Protection: Not Included
• Zone Selective Interlocking (ZSI): Available

Build & Design

• Mounting Mode: Fixed
• Motor Tripping Class: 5 / 10 / 20 / 30 adjustable
• Local Signaling:
  • Flashing Green LED – Ready to operate
  • Red LED – Motor temperature above 95% thermal limit
• Display Module: LCD for energy measurement and fine adjustment settings

C4036M320 Physical Specifications

• Gross Weight: 1.501 kg

Dimensions:

• Height: 130 mm
• Width: 170 mm
• Depth: 220 mm

Additional Features

• Operating Temperature: -25°C to 70°C
• Storage Temperature: -40°C to 85°C
• Standards Compliance: IEC 60947-2, Pollution Degree 3
• Electrical Shock Protection: Class II
• IP Rating: IP40 (IEC 60529)
• Communication & Data: Energy metering, protection settings, alarms, history logs, demand values, power quality

Environmental Impact

• Carbon Footprint: 64 kg CO₂-eq (Total Life Cycle)
• Recycled Metal Content: 0%

Key Features & Benefits

✅ Ground Fault Protection: Adjustable ground fault settings for enhanced motor and system protection.

✅ Advanced Motor Protection: Covers protracted starts, unbalance, stalled rotor, and underload conditions.

✅ Energy Metering Capability: LCD display provides detailed power quality data, alarm settings, and event history.

✅ Status LED Indicators: Green and red LEDs for instant visual feedback on readiness and thermal limits.

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

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