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This Siemens 3VA5270-5EC31-1AA0 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 maximum frame size current rating of 250A.
The circuit breaker offers a breaking capacity of 35kA at 480V, with other ratings including 85kA at 240V and 18kA at 600Y/347V. The overcurrent release is a TM230 type with LI protection function, featuring adjustable short-circuit protection from 350A to 700A (5-10 x In) and a fixed overload protection of 70A.
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V, this breaker is built for durability. It operates within an ambient temperature range of -25°C to 70°C and has a front protection class of IP40. The unit is designed for DIN rail mounting.
This breaker is UL 489 listed and includes HACR Type designation. It is suitable for applications requiring robust circuit protection in industrial and commercial settings.
| 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 35kA at 480V.
It has 3 poles.
The operating temperature range is from -25°C to 70°C.
It offers TM230 LI overcurrent protection.