Circuit breaker 3VA1 IEC Frame 630 Breaking capacity class C Icu=110kA @ 415 V 4-pole, system protection TM240, ATAM, In=630A Overload protection Ir=440A ...630A Short-circuit protection Ii=4...8 x In N-conductor unprotected 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 as a 3-pole version. 4. Depending on the size: Rated operating current of 32 A....200 A. 5. Switching capacity of 55 kA ... 70 kA at 415 V. 6. Can be installed in fixed installation or plug-in technology. 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: | 630 A |
Number of poles: | 4 |
Protection class (IP): | IP40 |
Overload release current setting: | 441 to 630 A |
Setting range of the instantaneous short-circuit release: | 2520 to 3150 A |
Rated voltage: | 690 V |
Rated 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 |