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The Siemens 3VA5211-7ED31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It features a rated operational current of 110A at 40°C, with a maximum rated operational current of 250A for the frame size. The breaker operates at a maximum AC voltage of 690V and a DC voltage of 750V, with an insulation voltage of 800V.
This circuit breaker provides overload protection with an Ir of 110A and fixed short-circuit protection (Ii) at 10 times the nominal current, equivalent to 1100A. Its breaking capacity according to IEC 60947 standards is 110kA at 415V and 10kA at 690V. Under UL 489, it has a breaking capacity of 100kA at 480V and 35kA at 600V.
With a typical mechanical service life of 20,000 switching cycles and electrical endurance of 8,000 cycles at 480V, the 3VA5211-7ED31-0AA0 is built for durability. It has a compact design with dimensions of 185mm height, 105mm width, and 83mm depth. The mounting type is DIN Rail, and it features a lever actuator.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The continuous current rating (Iu) is 110A at 40°C.
The maximum rated operational voltage with AC is 690V.
The breaking capacity according to UL 489 is 100kA at 480V.
The mounting type is DIN Rail.
It offers overload protection (Ir) of 110A and fixed short-circuit protection (Ii) at 10 x In.
The typical mechanical service life is 20,000 switching cycles.