Schneider C25F4TM250 ComPacT NSX250F Trip Unit 4P 250 A TMD

The Schneider Electric C25F4TM250 is a 4-pole ComPacT NSX250F moulded case circuit breaker rated 250 A at 40°C for electrical power distribution. Its TM-D thermomagnetic trip unit delivers adjustable thermal overload and short-circuit protection with an ultimate breaking capacity (Icu) of 36 kA at 380/415 V AC per IEC 60947-2.

Technical specifications:

• Commercial reference: C25F4TM250
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX new generation
• Product type: Moulded case circuit breaker (MCCB)
• Number of poles: 4P, 4d (fully protected neutral)
• Rated current [In]: 250 A at 40°C
• Rated voltage [Ue]: 690 V AC 50/60 Hz
• Ultimate breaking capacity [Icu]: 85 kA at 240 V; 36 kA at 415 V; 8 kA at 690 V AC (IEC 60947-2)
• Rated insulation voltage [Ui]: 800 V AC
• Trip unit: TM-D thermomagnetic
• Long-time pick-up [Ir]: adjustable, 0.7...1 x In
• Instantaneous pick-up [Ii]: adjustable, 5...10 x In
• Mounting: Fixed, back plate
• Dimensions (W x H x D): 140 x 161 x 86 mm
• Weight: 2.8 kg
• IP rating: IP40 (IEC 60529)
• IK rating: IK07 (IEC 62262)
• Operating temperature: -25...70°C
• Standard: EN/IEC 60947-2

Features and benefits:

• Adjustable Ir (0.7...1 x In) and Ii (5...10 x In) settings for flexible protective coordination across distribution systems
• Fully protected neutral (4d) with 1 x Ir neutral protection ensures complete 4-pole circuit coverage
• 36 kA breaking capacity at 415 V AC (performance level F) suits demanding high fault-current environments
• 5 auxiliary slots allow integration of signalling, alarm, or remote control accessories
• 20,000-cycle mechanical and electrical endurance for reliable long-term service

Applications:

• Main and sub-distribution switchboards in industrial and commercial buildings
• Low-voltage power feeder protection in networks up to 690 V AC
• Process control and automation panels requiring full neutral protection
• Switchgear assemblies in high fault-current environments demanding class F breaking performance

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

Also known as: Schneider C25F4TM250, Schneider Electric C25F4TM250, NSX250F 4P 250A MCCB.