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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5270-7EC36-1AA0, is a 3-pole device suitable for system protection applications. It features an overload protection setting of Ir=70A and a fixed short-circuit protection setting of Ii=5...10 x In.
The circuit breaker operates at a rated voltage of 690V AC and has a significant breaking capacity of 100kA at 480V, conforming to UL489 standards. It is also rated as HACR Type.
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. The device has a net weight of 2.308 kg and dimensions of 185mm height, 105mm width, and 83mm depth. It supports front connection with circular conductor terminals suitable for stranded conductors from 6 AWG to 350 kcmil.
| 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 for this circuit breaker is 690 V AC.
The breaking capacity at 480V is 100 kA.
The operational current at 50°C is 70 A.
The typical mechanical service life is 20,000 switching cycles.
This circuit breaker supports DIN rail mounting.