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This Siemens 3VA5120-4ED21-0AA0 is a 2-pole molded-case circuit breaker designed for system protection. It features a rated operational current of 20A at 40°C and a maximum rated operational voltage of 415V AC.
The circuit breaker has a breaking capacity of 25kA at 480V according to UL 489 standards and 36kA at 415V according to IEC 60947 standards. It is equipped with a TM210 overcurrent release with LI protection function, offering adjustable overload protection (Ir=20A) and fixed short-circuit protection (Ii=300A).
With a mechanical service life of 15,000 cycles and electrical endurance ratings of 8,000 cycles at 380/415V, this breaker is built for durability. Its dimensions are 140mm height, 50.8mm width, and 76.5mm depth, with a DIN rail mounting type.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for this circuit breaker is 415 V with AC 50/60Hz and 250 V with DC.
The breaking capacity at 480V according to UL 489 is 25 kA.
The permanent rated current (Iu) is 20 A.
The dimensions are 140 mm height, 50.8 mm width, and 76.5 mm depth.
This circuit breaker has 2 poles.