3VA5120-6EC31-0AA0
Siemens
The Siemens 3VA5120-6EC31-0AA0 is a 3-pole molded-case circuit breaker with a 20A current rating and a 690V AC operational voltage. It is designed for DIN rail mounting.
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This Siemens 3VA5120-4ED31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It offers a permanent rated current (Iu) of 20A, with operational current varying slightly with temperature, down to 18.1A at 70°C.
The breaker provides a maximum rated operational voltage of 690V AC and 500V DC, with an insulation voltage of 800V. Its breaking capacity according to IEC 60947 is rated at 55 kA at 240V and 36 kA at 415V. Under UL 489 standards, it has a breaking capacity of 25 kA at 480V.
Key electrical protection features include overload protection (Ir=20A) and fixed short-circuit protection (Ii=15 x In). The overcurrent release type is TM210, with LI protection function. The load switch is designed according to UL 489 as a HACR Type breaker.
Mechanically, the unit has a height of 5.5 inches (140 mm), width of 3 inches (76.2 mm), and depth of 3 inches (76.5 mm). It is designed for DIN rail mounting. The mechanical service life is typically 15,000 switching cycles, with electrical endurance varying based on voltage and load conditions.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for this circuit breaker is 690 V AC and 500 V DC.
The breaking capacity according to UL 489 at 480V is 25 kA.
The permanent rated current (Iu) is 20 A, and the operational current at 40°C is also 20 A.
This circuit breaker supports DIN rail mounting.
The dimensions are 5.5 inches (140 mm) in height, 3 inches (76.2 mm) in width, and 3 inches (76.5 mm) in depth.
