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The Siemens 3VA5120-6EC32-0AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection applications. It features a rated insulation voltage of 800V and a maximum rated operational voltage of 690V AC.
This circuit breaker has an operational current rating of 20A at 40°C and 45°C, with a maximum power loss of 12.2W. It boasts a high breaking capacity, with a maximum short-circuit current (Icu) of 150 kA at 240V and 65 kA at 480V according to UL 489 standards.
Mechanically, the unit has a typical service life of 20,000 switching cycles. Its dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth. The mounting type is DIN Rail.
Compliance is certified under CCC and UL489. The overcurrent release is of type TM230 with LI protection function.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated insulation voltage (Ui) is 800 V.
The maximum rated operational voltage (Ue) with DC is 500 V, and the rated operational voltage at AC is 690 V.
The operational current is 20A at 40°C and 45°C, and it derates to 18A at 70°C.
According to UL 489, the breaking capacity is 65 kA at 480 V. According to IEC 60947, it is 70 kA at 415 V and 10 kA at 690 V.
The dimensions are 140 mm in height, 76.2 mm in width, and 76.5 mm in depth.
It is designed for DIN Rail mounting.
It features TM230 overcurrent release with LI protection function.