Circuit breaker 3VA1 IEC Frame 400 breaking capacity class C Icu=110kA @ 415 V 3-pole, starter protection TM120M, AM, In=250A without overload protection short-circuit protection Ii=8...16 x In screw flat connection 3VA1 molded case circuit breaker for starter 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 overload and short circuit. The 3VA molded case circuit breakers set standards in flexibility and modular accessory variety. 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 starter protection to protect electric motors against short circuits. 3. Available in 3-pole version. 4. Depending on the size: Rated operational current of 32 A....200 A. 5. Switching capacity of 55 kA ... 70 kA at 415 V. 6. Can be installed in fixed and plug-in versions. 7. The series has a thermal-magnetic overcurrent release 8. Modular and easy-to-install internal accessories with a wide range of functions. 9. Consistent accessory platform for all 3VA molded case circuit breakers.
| Property | Value |
| Rated continuous current Iu: | 250 A |
| Number of poles: | 3 |
| Degree of protection (IP): | IP40 |
| Setting range of the instantaneous short-circuit release: | 2000 A |
| Rated voltage: | 690 V |
| Rated limit short-circuit breaking current Icu at 400 V, 50 Hz: | 110 kA |
| Suitable for DIN rail mounting: | yes |
| Integrated earth fault protection: | no |
| Motor drive integrated: | no |
| Motor drive optional: | yes |
| With trip detector: | no |
| Complete device with protection unit: | yes |
| DIN rail mounting optional: | yes |
