Circuit breaker 3VA2 IEC Frame 400 switching capacity class M Icu=55kA @ 415V 4-pole, system protection ETU330, LIG, In=400A overload protection Ir=160A...400A short-circuit protection Ii=1.5...10 x In N-conductor protection adjustable (OFF, 50%, 100%) ground fault protection Ig=0.2...1 x In= tg=0.1/0.3s screw flat connection 3VA2 molded case circuit breaker with ETU 3-series for system protection. The 3VA molded case circuit breakers from Siemens as an important component of the SENTRON protection components for industrial applications as well as for applications in the infrastructure sector offer effective system, starter and motor protection by safely switching off in the event of an overload or short circuit. The 3VA molded case circuit breakers set standards in terms of flexibility and modular accessories. Uniform accessories for several sizes across all series of the 3VA1 and 3VA2 molded case circuit breakers. This variant of the 3VA molded case circuit breaker is characterized above all by: 1. Compact design. 2. Available as a variant for system protection and generator protection depending on the ETU. 3. Available as a 3- and 4-pole version. 4. Depending on the size: rated current 25 A...630 A. 5. Four switching capacity classes from 55 kA ... 150 kA at 415 V. 6. Installation in fixed installation, plug-in technology, withdrawable technology possible. 7. The series has an electronic overcurrent release. 8. Modular and easy-to-install internal accessories with a wide range of functions. www.siemens.de/3VA. 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 continuous current Iu: | 400 A |
| Number of poles: | 4 |
| Protection class (IP): | IP40 |
| Overload release current setting: | 160 to 400 A |
| Setting range of the instantaneous short-circuit release: | 600 A |
| Rated voltage: | 690 V |
| Rated short-circuit breaking current Icu at 400 V, 50 Hz: | 55 kA |
| Suitable for DIN rail mounting: | yes |
| Integrated earth fault protection: | yes |
| Integrated motor drive: | no |
| Optional motor drive: | yes |
| With trip detector: | no |
| Complete device with protection unit: | yes |
| DIN rail mounting optional: | yes |
