Schneider C103MA025 MA25 Magnetic Trip Unit

The C103MA025 Schneider is an MA25 magnetic trip unit designed for precise short-circuit protection in low-voltage power systems. Compatible with ComPacT NSX100 and NSX160 circuit breakers, this unit supports 3-pole configurations and is rated for 25 A at 65 °C.

It provides adjustable instantaneous magnetic protection with nine settings ranging from 6 to 14 times the rated current (In), making it ideal for motor protection applications. The unit’s 3D configuration ensures comprehensive phase protection. Compliant with IEC 60947-2 standards, it delivers reliable performance in demanding environments.

Technical Specifications

• Model: C103MA025
• Type: MA25 Magnetic Trip Unit
• Brand: Schneider Electric
• Range: ComPacT NSX New Generation

Power & Performance

• Rated Current: 25 A at 65°C
• Poles: 3P (Three Poles)
• Protected Poles: 3D
• Trip Unit Technology: Magnetic
• Protection Functions:
  • I (Instantaneous Magnetic): Adjustable protection against short-circuits
• Rated Operational Voltage (Ue): 690V AC 50/60Hz
• Network Type: AC
• Network Frequency: 50/60 Hz

Adjustments & Settings

• Instantaneous Protection Ii: Adjustable (9 settings)
• Adjustment Range: 6…14 x In
• Earth Leakage Protection: Not included

Application

• Primary Use: Motor protection applications

C103MA025 Physical Specifications

• Gross Weight: 398.0 g

Dimensions:

• Height: 6.5 cm
• Width: 10.0 cm
• Length: 11.5 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: 15 kg CO₂-eq (Total Life Cycle)
• Recycled Metal Content: 0%

Key Features & Benefits

✅ Reliable Magnetic Short-Circuit Protection – Ideal for motor protection.

✅ Adjustable Instantaneous Protection Range: 6 to 14 times rated current.

✅ Compact & Robust Design: Fixed mounting, compatible with ComPacT NSX100/160 frame.

✅ EcoStruxure Ready: Compatible with PowerTag NSX for advanced energy monitoring.

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