Schneider C103TM063 ComPacT NSX100 Trip Unit 3P 63 A TMD

The Schneider Electric C103TM063 is a TM-D thermal-magnetic trip unit for the ComPact NSX100/160/250 circuit breaker range, rated at 63 A and designed for electrical power distribution applications. It provides long-time overload (L) and instantaneous short-circuit (I) protection across 3 poles, with an adjustable thermal pick-up and fixed magnetic threshold.

Technical specifications:

• Commercial reference: C103TM063
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPact NSX100/160/250 (new generation)
• Trip unit name: TM-D
• Trip unit technology: Thermal-magnetic
• Number of poles: 3P (3 protected poles)
• Trip unit rating: 63 A at 40 °C
• Rated voltage [Ue]: 690 V AC 50/60 Hz / 750 V DC
• Network type: AC / DC
• Network frequency: 50/60 Hz
• Long-time pick-up adjustment [Ir]: adjustable, 0.7...1 x In
• Long-time delay [tr]: fixed, 120...400 s at 1.5 x In / 15 s at 6 x Ir
• Instantaneous pick-up [Ii]: fixed, 500 A
• Differential protection: None
• Mounting mode: Fixed
• Standard: EN/IEC 60947-2
• Electrical shock protection class: Class II
• Pollution degree: 3 per IEC 60947-1
• IP protection: IP40 per IEC 60529
• Operating temperature: -25...70 °C
• Storage temperature: -50...85 °C
• Package weight: 384 g

Features and benefits:

• Compatible with ComPact NSX100, NSX160, and NSX250 new-generation frames, including DC variants
• Adjustable thermal pick-up (Ir) from 0.7 to 1 x In allows fine-tuning of overload protection thresholds
• Fixed instantaneous magnetic protection at 500 A provides reliable short-circuit disconnection
• Rated up to 690 V AC and 750 V DC, supporting both AC and DC network applications
• IP40 enclosure protection and pollution degree 3 rating suit industrial installation environments

Applications:

• Electrical power distribution panels requiring overload and short-circuit protection
• Industrial switchboards using ComPact NSX100/160/250 circuit breaker frames
• DC distribution systems up to 750 V, including renewable energy and battery installations
• Replacement or upgrade of trip units in existing NSX-series installations

Compliant with EN/IEC 60947-2. Part of the Schneider Electric ComPact NSX new-generation range.

Also known as: Schneider C103TM063, Schneider Electric C103TM063, NSX trip unit 63A, thermal-magnetic trip unit NSX100.