The C25B6TM250 is a high-quality circuit breaker designed for use in the Compact NSX250B series. This circuit breaker is engineered to provide reliable protection for electrical circuits while offering advanced features for optimal performance. It is suitable for a wide range of applications, providing a robust solution for circuit control and protection.
Key Features:
Compact Design: The Compact NSX250B series is known for its space-saving design, making it suitable for various installation environments.
High Breaking Capacity: With a breaking capacity of 25kA at 415V AC, this circuit breaker can safely interrupt fault currents to protect your electrical systems.
4 Poles: This circuit breaker has four poles, making it versatile for applications that require multiple circuits or phases.
TMD Trip Unit: The circuit breaker features a TMD (thermal-magnetic delayed) trip unit, offering precise protection against overloads and short circuits.
250A Rating: With a 250A current rating, it can handle electrical loads effectively.
Whether you need reliable protection for industrial, commercial, or residential applications, the C25B6TM250 Circuit Breaker is a dependable choice. It ensures the safety of your electrical systems and helps prevent damage due to overloads and short circuits.
| 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 | 4P |
| Protected poles description | 3D |
| Neutral position | Left |
| [In] rated current | 250 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 | 18.75 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 | 250 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 | |
| Neutral protection settings | No protection (3D) |
| 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) | 140 mm |
| Height (H) | 161 mm |
| Depth (D) | 86 mm |
| Net weight | 2.8 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 |