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This Siemens 3VA5270-5EF32-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It operates at a rated voltage of 690V AC and has an operational current rating of 70A at 40°C, with derated values at higher temperatures.
The circuit breaker offers a breaking capacity of 35kA at 480V and 18kA at 600V per UL 489 standards. It also meets IEC 60947 standards with a breaking capacity of 55kA at 415V and 7kA at 690V. The overcurrent release is of type TM240 with LI protection function.
Mechanically, the unit has a typical service life of 20,000 cycles and dimensions of 185mm height, 105mm width, and 83mm depth. It is designed for DIN rail mounting.
Key electrical specifications include a maximum power loss of 17W and an active power loss of 5.7W per pole. The electrical endurance is rated at 8,000 cycles at 380/415V and 4,000 cycles at 690V.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational voltage is 690 V AC at rated value and 750 V DC.
The operational current is 70A at 40°C, 45°C, and 50°C.