Schneider C103TM100 ComPacT NSX100 Trip Unit 3P 100 A TMD

The Schneider Electric C103TM100 is a TM-D thermal-magnetic trip unit for ComPacT NSX100/160/250 moulded case circuit breakers, rated at 100 A at 40°C across 3 poles. It provides overload (thermal) and short-circuit (magnetic) protection for AC power distribution applications up to 690 V AC.

Technical specifications:

• Commercial reference: C103TM100
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX new generation
• Product type: Trip unit
• Trip unit name: TM-D
• Trip unit technology: Thermal-magnetic
• Compatible circuit breakers: ComPacT NSX100, NSX160, NSX250 (new generation)
• Number of poles: 3P
• Protected poles: 3d
• Trip unit function: Li (overload + instantaneous short-circuit)
• Rated current (Ir): 100 A at 40°C
• Rated voltage (Ue): 690 V AC 50/60 Hz
• Network type: AC
• 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 protection (Ii): Fixed, 800 A
• Differential protection: None
• Mounting: Fixed
• IP protection rating: IP40 (IEC 60529)
• Pollution degree: 3 (IEC 60947-1)
• Operating temperature: -25...70°C
• Storage temperature: -50...85°C
• Electrical shock protection class: Class II
• Standard: EN/IEC 60947-2
• Package weight: 390 g

Features and benefits:

• Adjustable long-time thermal pick-up (0.7...1 x In) allows calibration to match connected load requirements
• Fixed instantaneous short-circuit protection set at 800 A for reliable fault clearing
• Compatible with ComPacT NSX100, NSX160, and NSX250 frames, offering flexibility across multiple breaker ratings
• IP40 enclosure and pollution degree 3 rating suit industrial panel environments
• Wide operating temperature range (-25...70°C) supports demanding installation conditions

Applications:

• Industrial power distribution panels requiring overload and short-circuit protection
• Retrofit or replacement trip unit in existing ComPacT NSX100/160/250 circuit breaker frames
• Main or sub-distribution boards in commercial and industrial facilities
• Feeder protection in motor control centres and switchgear assemblies

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

Also known as: Schneider C103TM100, Schneider Electric C103TM100, NSX100 trip unit, TM-D thermal-magnetic trip unit.