Schneider C103MA100 Magnetic Trip Unit MA100 for ComPacT NSX 100/160/250 Circuit

The Schneider Electric C103MA100 is a MA100 magnetic trip unit designed for use with ComPacT NSX100/160/250 circuit breakers, providing instantaneous short-circuit protection for motor applications. Rated at 100 A at 65 °C and suitable for 690 V AC networks, it offers 9 adjustable settings across an instantaneous protection pick-up range of 6 to 14 x In.

Technical specifications:

• Commercial reference: C103MA100
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX100/160/250 new generation
• Product type: Trip unit
• Trip unit name: MA
• Trip unit technology: Current-based
• Application: Motor protection
• Number of poles: 3P
• Protected poles description: 3d
• Trip unit function: I (instantaneous short-circuit protection only)
• Trip unit rating: 100 A at 65 °C
• Rated voltage: 690 V AC 50/60 Hz
• Network type: AC
• Network frequency: 50/60 Hz
• Mounting mode: Fixed
• Instantaneous pick-up adjustment type: Ii
• Instantaneous pick-up adjustment range: 6 to 14 x In, 9 settings
• Differential protection: None
• Standard: EN/IEC 60947-2
• Electric shock protection class: Class II
• Pollution degree: 3 per IEC 60947-1
• IP protection rating: IP40 per IEC 60529
• Operating temperature: -25 to 70 °C
• Storage temperature: -50 to 85 °C
• Unit weight: 418 g

Features and benefits:

• Magnetic-only (instantaneous) protection designed specifically for motor starting, avoiding nuisance trips from inrush current
• Wide instantaneous pick-up adjustment range of 6 to 14 x In with 9 selectable settings for precise motor protection coordination
• Compatible with ComPacT NSX100, NSX160, and NSX250 new generation circuit breaker frames
• Operates across a wide temperature range of -25 to 70 °C for demanding industrial environments
• IP40 enclosure protection rating per IEC 60529
• PVC-free construction with recycled cardboard and plastic-free packaging

Applications:

• Motor branch circuit protection in industrial machinery and manufacturing panels
• Motor feeder protection in motor control centers (MCCs)
• Short-circuit protection for large motor starters up to 100 A
• Industrial automation panels requiring adjustable instantaneous protection
• Retrofit or replacement trip unit for existing ComPacT NSX100/160/250 installations

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

Also known as: Schneider C103MA100, Schneider Electric C103MA100, NSX magnetic trip unit 100A, ComPacT NSX motor protection trip unit.