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The Siemens 3VA5120-6ED30-0DD0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It features a rated operational voltage of 690V AC and a maximum operational voltage of 500V DC. The breaker is equipped with TM210 overcurrent release with LI protection function, providing overload protection at Ir=20A and fixed short circuit protection at Ii=15 x In.
With a current rating of 20A at 40°C, this circuit breaker offers a breaking capacity of 65kA at 480V according to UL 489 standards, and up to 150kA at 240V according to IEC 60947. It has a mechanical service life of 20,000 switching cycles and electrical endurance ratings varying by voltage and load conditions.
The unit has a compact mechanical design with dimensions of 140mm height, 76.2mm width, and 76.5mm depth. It is designed for DIN rail mounting and features box terminals for main current connections. The breaker is suitable for HACR, HID, and SWD Type applications as per UL 489.
General technical data includes a rated insulation voltage (Ui) of 800V and a maximum power loss of 14.7W. It does not feature communication or other measurement functions.
| 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 at 40°C is 20 A.
The breaking capacity at 480V according to UL 489 is 65 kA.
This circuit breaker has 3 poles.
This circuit breaker supports DIN Rail mounting.