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This Siemens 3VA5120-6ED21-0AA0 is a 2-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It features a rated operational voltage of 415V AC and a maximum breaking capacity of 65kA at 480V.
The circuit breaker has a current rating of 20A at 40°C and includes overload protection set at Ir=20A and short-circuit protection at Ii=15 x In. It is built with a TM210 overcurrent release and offers LI protection function. The device is suitable for HACR type applications.
With a mechanical service life of typically 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V, this breaker is designed for durability. Its dimensions are 140mm in height, 50.8mm in width, and 76.5mm in depth. The mounting type is DIN Rail.
Key electrical specifications include a maximum power loss of 8W and an active power loss of 4W per pole. The rated insulation voltage is 600V.
| 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 20A at 40°C, decreasing slightly at higher temperatures.
The breaking capacity according to UL 489 is 65kA at 480V, and according to IEC 60947 it is 70kA at 415V.
The maximum rated operational voltage for AC 50/60Hz is 415V, and for DC it is 250V.
This circuit breaker has 2 poles.
It is designed for DIN rail mounting.