Schneider C104TM050 Trip Unit TM50D

The C104TM050 Schneider is a TM50D thermal-magnetic trip unit designed for dependable protection in low-voltage power distribution systems. Compatible with ComPacT NSX100 and NSX160 circuit breakers, this unit supports 4-pole configurations and is rated for 50 A at 40 °C.

It features adjustable thermal overload protection (0.7–1×In) and fixed magnetic short-circuit protection (500 A), ensuring robust defense against electrical faults. The unit’s 4D configuration provides full neutral protection, making it ideal for generator and backup power applications. Compliant with IEC 60947-2 standards, it delivers reliable performance in demanding environments.

Technical Specifications

• Model: C104TM050
• Type: Thermal Magnetic Trip Unit TM50D
• Brand: Schneider Electric
• Range: ComPacT NSX New Generation

Power & Performance

• Rated Current: 50 A at 40°C
• Poles: 4P (Four Poles)
• Protected Poles: 4D (Four Protected Poles)
• Trip Unit Technology: Thermal-Magnetic
• Protection Functions:
  • L (Thermal): Overload Protection
  • I (Magnetic): Short-Circuit Protection
• Rated Operational Voltage (Ue):
  • 690V AC 50/60Hz
  • 750V DC
• Network Type: AC/DC
• Network Frequency: 50/60 Hz

Adjustments & Settings

• Long-Time Thermal Protection (Ir): Adjustable
• Adjustment Range: 0.7…1 x In
• Long-Time Delay (tr): Fixed
• Delay Settings:
  • 120…400 seconds at 1.5 x In
  • 15 seconds at 6 x Ir
• Instantaneous Magnetic Protection (Ii): Fixed
• Instantaneous Setting: 500 A
• Neutral Protection Settings: 1 x Ir (4D)
• Earth Leakage Protection: Not included

Build & Design

• Mounting Mode: Fixed
• Trip Unit Rating: 50A
• Compatibility:
  • ComPacT NSX100 Basic Frames
  • ComPacT NSX160 Basic Frames
  • ComPacT NSX100 DC

C104TM050 Physical Specifications

• Gross Weight: 534 g

Dimensions:

• Height: 6.5 cm
• Width: 9.5 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: -50°C to +85°C
• Carbon Footprint: 75 kg CO₂-eq (Total Life Cycle)
• Recycled Metal Content: 0%

Key Features & Benefits

✅ Thermal-Magnetic Protection: Provides reliable overload and short-circuit protection.

✅ Adjustable Thermal Settings: Fine-tune long-time pick-up based on system requirements.

✅ Fixed Magnetic Protection: Delivers rapid short-circuit response for equipment safety.

✅ Neutral Protection: Built-in neutral protection for 4-pole configurations.

✅ Robust Design: Operates reliably across harsh environmental conditions.

✅ Seamless Integration: Perfect fit with ComPacT NSX100/160 circuit breakers and EcoStruxure Power systems.

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