Description
Product Name: C25N3TM250
Type: Circuit breaker, ComPacT NSX250N, 50kA/415VAC, 3 poles, TMD trip unit 250A
Range: ComPacT NSX, New Generation
Device short name: NSX250N
Application: Distribution
Number of poles: 3P with 3D protection
Rated current: 250 A at 40 °C
Rated operational voltage: 690 V AC 50/60 Hz
Network type and frequency: AC, 50/60 Hz
Suitability for isolation: Yes conforming to EN/IEC 60947-2
Utilisation category: Category A
Breaking capacity: 90 kA Icu at 220/240 V AC, 50 kA Icu at 380/415 V AC, 50 kA Icu at 440 V AC, 36 kA Icu at 500 V AC, 35 kA Icu at 525 V AC, 10 kA Icu at 660/690 V AC; conforms to IEC 60947-2; UL ratings included
Breaking capacity code: N 50 kA 415 V AC
Trip unit name and technology: TM-D, Thermal-magnetic with adjustable thermal overload protection and fixed magnetic protection
Control type: Toggle
Mounting mode: Fixed
Rated insulation voltage: 800 V AC 50/60 Hz
Rated impulse withstand voltage: 8 kV
Rated service breaking capacity (Ics): Matches breaking capacities listed above
Mechanical durability: 20000 cycles
Electrical durability: 20000 cycles at 440 V In/2; 10000 cycles at 440 V In; 10000 cycles at 690 V In/2; 5000 cycles at 690 V In
Power dissipation per pole: 18.75 W
Mounting support and position: Backplate; horizontal and vertical, flat on the back
Connection: Front upside and downside; pitch 3.5 cm
Protection type: L for thermal overload, I for magnetic short-circuit
Trip unit rating: 250 A at 40 °C
Adjustments: Long-time pick-up (Ir) adjustable 0.7 to 1 x In; long-time delay (tr) fixed 120 to 400 s at 1.5 x In and 15 s at 6 x Ir; instantaneous pick-up (Ii) adjustable 5 to 10 x In
Earth-leakage protection: Without
Dimensions (W x H x D): 10.5 cm x 16.1 cm x 8.6 cm
Net weight: 2.4 kg
Standards and certifications: EN/IEC 60947-2
Protection classes: Overvoltage category III; electrical shock protection Class II front face; pollution degree 3; IP40; IK07
Environmental conditions: Operating temperature -25 to 70 °C; Storage temperature -50 to 85 °C; Relative humidity 0 to 95%; Altitude 0 to 2000 m without derating, 2000 to 5000 m with derating
Packaging dimensions and weight: Package 1 – 14 cm height, 11.2 cm width, 19 cm length, 1.98 kg; 1 unit per package. Package 2 – 30 cm height, 30 cm width, 40 cm length, 14.242 kg; 7 units per package.
Warranty: 18 months
Customs Tariff Code: 85362090
