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The Siemens SENTRON 3VA5270-7EC32-1AA0 is a 3-pole molded-case circuit breaker designed for system protection applications. It operates at a rated voltage of 690V AC and features an operational current of 70A at 40°C, with derated values at higher temperatures.
This circuit breaker boasts a high breaking capacity of 100kA at 480V and 35kA at 600V, according to UL 489 standards. It is equipped with a TM230 trip unit and LI protection function for overload and short-circuit protection. The mechanical service life is rated at a typical 20,000 switching cycles.
Designed for DIN rail mounting, the breaker has a front connection type with nut keeper kits on both ends. Its dimensions are 185mm in height, 105mm in width, and 83mm in depth. The UL 489 HACR Type designation indicates suitability for Heating, Air Conditioning, and Refrigeration circuits.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operating voltage is 690 V at AC.
The breaking capacity current at 480 V is 100 kA.
The operational current at 50 °C is 70 A.
This circuit breaker has 3 poles.
The mounting type is DIN Rail.
The typical mechanical service life is 20,000 switching cycles.
Yes, the load switch is designed according to UL 489 for Heating, Air Conditioning, and Refrigeration circuit breaker (HACR Type).