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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5120-4ED32-1AA0, is designed for system protection applications. It operates at a rated voltage of 690V AC and features a 20A current rating at 40°C, with derated values at higher temperatures.
The breaker provides a breaking capacity of 25kA at 480V and 65kA at 240V, with a fixed short-circuit protection setting of 15 x In. It includes overload protection (Ir=20A) and is built with a TM210 overcurrent release.
With a mechanical service life of 20,000 cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this circuit breaker is built for durability. It is suitable for HACR, HID, and SWD type applications according to UL 489 standards. The unit mounts on a DIN rail and features front connections with nut keeper kits.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage is 690 V AC.
It has 3 poles.
The breaking capacity is 25 kA at 480 V.
The current rating at 50°C is 19 A.
It mounts on a DIN rail.
The typical mechanical service life is 20,000 cycles.