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This Siemens 3VA5270-5ED36-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It features a rated operational voltage of 690V AC and a maximum operational voltage of 750V DC.
The breaker has an operational current rating of 70A at 40°C, with derated values at higher temperatures. Its overload protection is set at Ir=70A, and fixed short-circuit protection is Ii=10 x In. The breaking capacity according to UL 489 is 35kA at 480V, and according to IEC 60947, the breaking capacity (Icu) is 55kA at 415V and 7kA at 690V.
With a mechanical service life of typically 20,000 switching cycles, this circuit breaker is built for durability. It is designed for DIN rail mounting and has dimensions of 185mm height, 105mm width, and 83mm depth. The breaker is also listed as HACR Type according to UL 489.
General technical data includes a rated insulation voltage of 800V and a maximum power loss of 17W. The active power loss per pole at rated current and hot operating state is 5.7W. Electrical endurance ratings vary by voltage, with 8,000 cycles at 380/415V and 480V, 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 rated operating voltage at AC is 690 V.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level is 1 Unlimited.
The breaking capacity at 480V is 35 kA.
This circuit breaker has 3 poles.
The operational current is 70A at 40°C.