Description

Schneider C10B3TM025 | Circuit breaker, ComPacT NSX100B, 25kA/415VAC, 3 poles, TMD trip unit 25A



1. Technical Specifications C10B3TM025

• Reference: C10B3TM025

• Series: ComPacT NSX100B

• Product Type: Molded Case Circuit Breaker (MCCB)

• Number of Poles: 3 poles (3d – all phases protected)

• Rated Current (In): 25 A

• Trip Unit: TMD (Thermal Magnetic)

  • Fixed thermal protection (overload)

  • Fixed magnetic protection (short-circuit)

• Breaking Capacity (Icu): 25 kA at 415 V AC (IEC 60947-2)

• Rated Operational Voltage (Ue): 220–415 V AC, 50/60 Hz

• Rated Insulation Voltage (Ui): 690 V

• Impulse Withstand Voltage (Uimp): 8 kV

• Utilization Category: A (non-selective)

• Mounting Type: Fixed

• Terminal Type: Front terminals (screw or lug connections)

• Protection Degree:

  • IP40 (front)

  • IP20 (terminals)

• Operating Temperature Range: –25°C to +70°C

• Mechanical Durability: Up to 10,000 operations

• Electrical Durability: Approx. 1,500 operations

• Approximate Dimensions:

  • Height: 161 mm

  • Width: 76 mm

  • Depth: 86 mm

• Weight: Around 2.5 kg

• Standards: IEC 60947-2, CE, RoHS, EAC compliant

2. Key Features

• Fixed thermal-magnetic protection with no need for adjustment

• High breaking capacity suitable for medium fault-level environments

• Compact frame size for easy integration in control panels and distribution boards

• Front access for wiring and maintenance

• Thermal memory feature prevents nuisance resets after overheating

• Fully compatible with various Schneider accessories, such as:

  • Auxiliary contacts (OF/SD)

  • Shunt trip (MX)

  • Undervoltage release (MN)

  • Rotary or motorized handles

• Strong performance in both mechanical and electrical endurance

• Designed for reliability and long operational life

3. Applications

• Low-voltage power distribution in industrial and commercial sectors

• Protection of 3-phase loads such as:

  • Lighting circuits

  • HVAC systems

  • Small motors and machinery

  • Sub-distribution boards

• Suitable for use in:

  • Manufacturing facilities

  • Commercial buildings

  • Infrastructure (hospitals, airports, schools, malls)

  • Renewable energy systems

  • Control panels and switchboards