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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5270-6ED32-0AA0, is engineered for system protection applications. It features a 3-pole configuration and a rated operational current of 70A, with derating at higher temperatures up to 70°C.
The breaker operates at a rated voltage of 690V AC and has a maximum insulation voltage of 800V. Its breaking capacity according to UL 489 is 65kA at 480V, and according to IEC 60947, it offers 70kA at 415V and 10kA at 690V. The short-circuit current making capacity (Icm) is 154kA at 415V.
With a mechanical service life of typically 20,000 switching cycles, this circuit breaker is built for durability. It has an electrical endurance of 8,000 cycles at 380/415V and 480V, and 4,000 cycles at 690V. The unit is designed for DIN rail mounting and has dimensions of 185mm height, 105mm width, and 83mm depth.
Key electrical protection functions include overload protection (Ir=70A) and fixed short-circuit protection (Ii=10 x In). It is designed as a HACR Type circuit breaker according to UL 489.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational voltage at AC is 690 V.
The breaking capacity current at 480 V is 65 kA.
This circuit breaker has 3 poles.
The operational current at 40 °C is 70 A.
The mounting type is DIN Rail.