Circuit breaker 3VA1 IEC Frame 160 switching capacity class M Icu=55kA @ 415V 3-pole, starter protection TM120M, AM, In=20A without overload protection short-circuit protection Ii=7...16 x In terminal connection molded case circuit breaker 3VA1 for starter protection. The molded case circuit breakers 3VA 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 molded case circuit breakers 3VA set standards in flexibility and modular accessories. Uniform accessories for several sizes across all series of the molded case circuit breaker 3VA1 and 3VA2. This variant of the molded case circuit breaker 3VA 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 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 accessories platform for all 3VA molded case circuit breakers. 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: | 20 A |
Number of poles: | 3 |
Degree of protection (IP): | IP40 |
Setting range of the instantaneous short-circuit release: | 140 to 320 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: | no |
Motor drive integrated: | no |
Motor drive optional: | yes |
With trip detector: | no |
Complete device with protection unit: | yes |
DIN rail mounting optional: | yes |