Explore the Schneider Electric Compact NSX250B Circuit Breaker, a dependable and efficient solution for circuit protection. Engineered to ensure the safety of your electrical systems, this circuit breaker provides reliable protection against overloads and short circuits, making it an essential component for a wide range of applications.
Key Features:
High Breaking Capacity: With a robust 25kA breaking capacity at 415VAC, this circuit breaker is well-equipped to handle high fault currents, enhancing the safety of your electrical circuits.
200A Rating: The 200A rating offers versatility, making it suitable for various applications, whether for residential, commercial, or industrial use.
TMD Trip Unit: Equipped with a TMD trip unit, it offers precise and adjustable protection settings, allowing you to customize the breaker's response according to your specific needs.
3-Pole Configuration: The 3-pole design provides flexibility for different electrical circuit configurations.
Reliable Circuit Protection: This circuit breaker ensures the dependability and safety of your electrical systems.
Technical Specifications:
Breaking Capacity: 25kA at 415VAC
Current Rating: 200A
Poles: 3
Trip Unit: TMD
| Specifications | |
|
Main |
|
| Range | ComPacT new generation |
| Product name | ComPacT NSX new generation |
| device short name | NSX250B |
| Product or component type | Circuit breaker |
| Device application | Distribution |
| Poles description | 3P |
| Protected poles description | 3D |
| [In] rated current | 200 A at 40 °C |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| Network type | AC |
| Network frequency | 50/60 Hz |
| Suitability for isolation | Yes conforming to EN/IEC 60947-2 |
| utilisation category | Category A |
| [Icu] rated ultimate short-circuit breaking capacity | 40 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 |
| 25 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 | |
| 20 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 | |
| 15 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 | |
| Performance level | B 25 kA 415 V AC |
| Trip unit name | TM-D |
| Trip unit technology | Thermal-magnetic |
| Trip unit protection functions | LI |
| control type | Toggle |
| Circuit breaker mounting mode | Fixed |
| Complementary | |
| [Ui] rated insulation voltage | 800 V AC 50/60 Hz |
| [Uimp] rated impulse withstand voltage | 8 kV |
| [Ics] rated service short-circuit breaking capacity | 40 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 |
| 25 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 | |
| 20 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 | |
| 15 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 | |
| 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 | 15.4 W |
| mounting support | Backplate |
| Mounting position | Horizontal and vertical |
| Flat on the back | |
| Upside connection | Front |
| downside connection | Front |
| Connection pitch | 35 mm |
| Protection type | L : for overload protection (thermal) |
| I : for short-circuit protection (magnetic) | |
| Trip unit rating | 200 A at 40 °C |
| Long-time pick-up adjustment type Ir (thermal protection) | Adjustable |
| [Ir] long-time protection pick-up adjustment range | 0.7...1 x In |
| Long-time protection delay adjustment type tr | Fixed |
| [tr] long-time protection delay adjustment range | 120…400 s at 1.5 x In |
| 15 s at 6 x Ir | |
| Instantaneous protection pick-up adjustment type Ii | Adjustable |
| [Ii] instantaneous protection pick-up adjustment range | 5...10 x In |
| earth-leakage protection | Without |
| Number of slots for electrical auxiliaries | 5 slot(s) |
| Width (W) | 105 mm |
| Height (H) | 161 mm |
| Depth (D) | 86 mm |
| Net weight | 2.4 kg |
| Environment | |
| standards | EN/IEC 60947 |
| product certifications | CCC |
| EAC | |
| Marine | |
| Overvoltage category | Class II |
| Electrical shock protection class | Class II |
| Pollution degree | 3 conforming to IEC 60664-1 |
| IP degree of protection | IP40 conforming to IEC 60529 |
| IK degree of protection | IK07 conforming to IEC 62262 |
| Ambient air temperature for operation | -25…70 °C |
| Ambient air temperature for storage | -50…85 °C |
| Relative humidity | 0…95 % |
| Operating altitude | 0...2000 m without derating |
| 2000 m...5000 m with derating |