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The Siemens 3VA5290-5ED31-0AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection applications. This breaker operates with a rated current of 90A and offers a significant breaking capacity, rated at 35kA at 480V according to UL 489 standards.
Key electrical specifications include a maximum rated operational voltage of 690V AC and 750V DC, with an isolation voltage of 800V. The overcurrent release is of type TM210 with LI protection functions, providing both overload and fixed short-circuit protection. The breaker has a mechanical service life of typically 20,000 switching cycles and electrical endurance ratings that vary with voltage and load conditions.
Mechanically, the unit has dimensions of 185 mm in height, 105 mm in width, and 83 mm in depth. It is designed for DIN rail mounting, making installation convenient in various electrical enclosures. The HACR Type designation indicates its suitability for Heating, Air Conditioning, and Refrigeration circuits.
| 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 90A at temperatures up to 50°C.
The maximum rated operational voltage (Ue) is 690V AC and 750V DC.
The breaking capacity according to UL 489 is 35kA at 480V. According to IEC 60947, the breaking capacity (Ics) is 55kA at 415V and 7kA at 690V.
This circuit breaker is designed for DIN rail mounting.
It offers LI protection, which includes overload protection (Ir) and fixed short-circuit protection (Ii).