Schneider C104TM080 Trip Unit TM80D

The C104TM080 Schneider is a TM80D thermal-magnetic trip unit designed for dependable protection in low-voltage power distribution systems. Compatible with ComPacT NSX100, NSX160, and NSX250 circuit breakers, this unit supports 4-pole configurations and is rated for 80 A at 40 °C.

It features adjustable thermal overload protection (0.7–1×In) and fixed magnetic short-circuit protection (640 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: C104TM080
• Type: Thermal Magnetic Trip Unit TM80D
• Brand: Schneider Electric
• Range: ComPacT NSX New Generation

Power & Performance

• Rated Current: 80 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
• Network Type: AC
• 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: 640 A
• Neutral Protection Settings: 1 x Ir (4D)
• Earth Leakage Protection: Not included

Build & Design

• Mounting Mode: Fixed
• Trip Unit Rating: 80A
• Compatibility:
  • ComPacT NSX100 Basic Frames
  • ComPacT NSX160 Basic Frames
  • ComPacT NSX250 Basic Frames

C104TM080 Physical Specifications

• Gross Weight: 498 g

Dimensions:

• Height: 6.7 cm
• Width: 9.8 cm
• Length: 14.8 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: 102 kg CO₂-eq (Total Life Cycle)
• Recycled Metal Content: 0%

Key Features & Benefits

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

✅ Adjustable Thermal Settings: Easily adjust to meet specific application needs.

✅ Fixed Magnetic Protection: Instant trip response for short-circuit conditions.

✅ Neutral Protection Included: Complete 4D pole protection.

✅ Rugged Design: Suitable for demanding industrial environments.

✅ Seamless System Compatibility: Works with Schneider EcoStruxure Power architecture and ComPacT NSX series.

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