Miniature circuit breaker 400V 10kA, 2-pole, C, 40A The miniature circuit breaker is the automatic circuit breaker for short-circuit protection. The miniature circuit breakers from Siemens, as an important component of the SENTRON protection components for electrical installations, offer effective protection for people and systems by safely switching off in the event of overload and short circuit. Convenient installation and connection technology, uniform additional components and a consistent design - these are the characteristics of the device family. Whether for infrastructure or industrial requirements, Siemens offers miniature circuit breakers for all applications and every area of use. The Siemens miniature circuit breakers are characterized above all by: 1. Effective protection for people, investments and systems against overload and short circuit. 2. A wide range of uniform accessories that are easy to install and can be replaced at any time. 3. Reliable safety during installation thanks to the reach-around and touch protection included as standard. 4. Tool-free removal from the top hat rail or from the busbar assembly using a convenient manual slider. 5. Data matrix code on the front of the device provides all information about the miniature circuit breaker quickly and easily. 6. Optimum technology for your safety - only from Siemens. www.siemens.de/leitungsschutzschalter. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe, efficient electrical infrastructure in buildings and industry.
| Property | Value |
| Rated current: | 40 A |
| Rated voltage: | 400 V |
| Type of voltage: | AC |
| Width in modular spacing: | 2 |
| Number of poles (total): | 2 |
| Energy limitation class: | 3 |
| Additional equipment possible: | yes |
| Overvoltage category: | 3 |
| Installation depth: | 70 mm |
| Rated switching capacity Icn according to EN 60898 at 230 V: | 10 kA |
| Rated switching capacity Icu according to IEC 60947-2 at 230 V: | 10 kA |
| Rated switching capacity Icu according to IEC 60947-2 at 400 V: | 10 kA |
| Rated switching capacity Icn according to EN 60898 at 400 V: | 10 kA |
| Pollution degree: | 2 |
| Switching neutral conductor: | no |
| Ambient temperature during operation: | -25 to 55 °C |
| Connectable conductor cross-section, stranded: | 0.75 to 25 mm² |
| Connectable conductor cross-section, single-wire: | 0.75 to 25 mm² |
