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This Siemens 3VA5222-6EC36-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, specifically designed for system protection applications. It operates with a rated insulation voltage of 800V and a maximum operational voltage of 690V AC.
The breaker has a nominal operational current of 225A at 40°C, with derated values at higher temperatures. It offers a significant breaking capacity, rated at 65kA at 480V according to UL 489 standards, and 100kA at 240V and 70kA at 415V according to IEC 60947.
Key electrical features include a TM230 overcurrent release with LI protection function and adjustable short-circuit protection (Ii = 5-10 x In). The mechanical design includes dimensions of 185mm height, 105mm width, and 83mm depth, with DIN rail mounting.
With a typical mechanical service life of 20,000 switching cycles and electrical endurance ratings up to 8,000 cycles at 480V, this circuit breaker is built for reliability. It is also designated as HACR Type, suitable 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 rated operating voltage for this circuit breaker at AC is 690 V.
The operational current is 225A at 40°C, derating to 197A at 70°C.
The breaking capacity according to UL 489 is 65 kA at 480 V, and according to IEC 60947 it is 100 kA at 240 V, 70 kA at 415 V, and 10 kA at 690 V.
This circuit breaker has 3 poles.
This circuit breaker supports DIN Rail mounting.