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The Siemens 3VA5270-7ED31-1AA0 is a high-performance molded-case circuit breaker designed for system protection. It operates with a 70A rated current at 40°C and offers a significant breaking capacity of 100kA at 480V, with other ratings available at different voltages.
This 3-pole breaker utilizes the TM210 overcurrent release with LI protection function, providing reliable overload and short-circuit protection. Its mechanical service life is rated for a typical 20,000 switching cycles, with electrical endurance varying based on voltage and load conditions.
The unit is built with a robust mechanical design, measuring 185mm in height, 105mm in width, and 83mm in depth. It is suitable for DIN rail mounting and features an IP40 protection class on the front.
Environmental specifications include an operating temperature range of -25°C to 70°C and a storage temperature range of -40°C to 80°C. The breaker is also HACR Type approved and UL 489 listed.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational current is 70A at 40°C.
The breaking capacity is 100kA at 480V.
It has 3 poles.
It offers LI protection function with a TM210 overcurrent release.
The typical mechanical service life is 20,000 switching cycles.
The operating temperature range is from -25°C to 70°C.
It is designed for DIN Rail mounting.