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This Siemens 3VA5270-7EC31-1AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It has a rated operational current of 70A at 40°C and a significant breaking capacity of 100kA at 480V, with other ratings available at different voltages.
The circuit breaker utilizes a TM230 overcurrent release with LI protection function, offering adjustable short-circuit protection from 5 to 10 times the rated current. It is built with a robust mechanical design, featuring a typical mechanical service life of 20,000 cycles and electrical endurance ratings suitable for demanding applications.
Designed for DIN rail mounting, this breaker operates within an ambient temperature range of -25°C to 70°C. Its IP40 protection rating on the front ensures suitability for various industrial environments. The UL489 approval agency listing highlights its compliance with relevant safety standards.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 70A at 40°C.
The breaking capacity is 100kA at 480V.
It has 3 poles.
It offers LI protection with a TM230 release.
The operating temperature range is from -25°C to 70°C.
It is designed for DIN rail mounting.