Schneider C1034V040 MicroLogic 4.2 Electronic Trip Unit

The C1034V040 Schneider is a MicroLogic 4.2 electronic trip unit designed for advanced protection in low-voltage power systems. Built for use with ComPacT NSX100, NSX160, and NSX250 circuit breakers, it supports 3-pole configurations and is rated for 40 A at 40 °C.

It features LSIR protection (Long-time, Short-time, Instantaneous, and Earth Leakage Alarm) with adjustable thresholds and delays. The unit also includes energy metering functions and complies with IEC 60947-2 standards, making it ideal for demanding industrial and commercial environments.

Technical Specifications

• Model: C1034V040
• Type: MicroLogic 4.2 Electronic Trip Unit with Integrated Earth-Leakage Protection
• Brand: Schneider Electric
• Range: ComPacT NSX New Generation

Power & Performance

• Rated Current: 40 A at 40°C
• Poles: 3P (Three Poles)
• Protected Poles: 3D
• Trip Unit Technology: Electronic
• Application: Distribution
• Protection Functions:
  • L: Long-time overload protection (adjustable)
  • S: Short-time short-circuit protection with fixed delay (adjustable)
  • I: Instantaneous short-circuit protection (fixed)
  • R: Integrated earth-leakage protection
• Rated Operational Voltage (Ue): 440V AC 50/60Hz
• Network Type: AC
• Network Frequency: 50/60 Hz

Advanced Protection Features

• Long-time Protection Range (Ir): 18…40 A (9 settings adjustable)
• Long-time Protection Delay (tr): Fixed
  • 11 s at 7.2 x Ir
  • 16 s at 6 x Ir
  • 400 s at 1.5 x Ir
• Short-time Protection Range (Isd): 1.5…10 x Ir (adjustable)
• Short-time Delay (tsd): Fixed
• Instantaneous Protection (Ii): Fixed at 600 A
• Thermal Memory: 20 minutes before and after tripping

Integrated Earth-Leakage Protection

• Class: Class A
• Sensitivity (IΔn): Adjustable – 0.03 A / 0.1 A / 0.3 A / 0.5 A / 1 A / 3 A / 5 A
• Time Delay (Δt): Adjustable – 0 ms / 60 ms / 150 ms / 500 ms / 1 s
• Earth-Leakage Specific Mode: OFF using the IΔn rotary switch

User Interface & Local Signaling

• Ready to Operate: Flashing Green LED
• Overload Indications:
  • Orange LED at 90% Ir
  • Red LED at 105% Ir
• Residual Current Indicator: Yellow LED

C1034V040 Physical Specifications

• Gross Weight: 602 g

Dimensions:

• Height: 9.5 cm
• Width: 11.0 cm
• Length: 15.0 cm

Environmental Specifications

• Standards: EN/IEC 60947-2
• Shock Protection Class: Class II
• Pollution Degree: 3 (IEC 60947-1)
• IP Degree of Protection: IP40 (IEC 60529)
• Ambient Temperature for Operation: -25°C to +70°C
• Ambient Temperature for Storage: -40°C to +85°C
• Carbon Footprint: 8 kg CO₂-eq (Total Life Cycle)
• Recycled Metal Content: 0%

Key Features & Benefits

✅ Integrated Earth-Leakage Protection: Built-in Class A protection with adjustable sensitivity and time delay.

✅ Advanced Protection: Combines overload, short-circuit, instantaneous, and earth-leakage protections.

✅ Reliable Local Signaling: LEDs for ready status, overload, and residual current indication.

✅ Thermal Memory: Maintains protection during transient conditions to prevent nuisance tripping.

✅ EcoStruxure Ready: Compatible with PowerTag NSX for advanced energy monitoring and integration into EcoStruxure Power architecture.

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