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The Siemens 3VA5111-4EC31-1AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for robust system protection applications. It features a rated operational current of 110A, with performance maintained up to 50°C ambient temperature. The breaker provides a breaking capacity of 25kA at 480V and 65kA at 240V, ensuring reliable protection against overloads and short circuits.
This circuit breaker utilizes a TM230 overcurrent release with LI protection function. It has a mechanical service life of 15,000 switching cycles and electrical endurance ratings of 8,000 cycles at 380/415V and 4,000 cycles at 690V. The unit is rated for a maximum operational voltage of 690V and has a switching capacity class of S.
Mechanically, the 3VA5111-4EC31-1AA0 measures 140mm in height, 76.2mm in width, and 76.5mm in depth. It is designed for DIN rail mounting and features a front protection class of IP40. The breaker is also equipped with a motor drive option and is UL 489 SB (naval) certified.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational current is 110A.
The breaking capacity at 480V is 25kA.
The voltage rating is 690V.
It has 3 poles.
It supports DIN rail mounting.
The minimum operating temperature is -25°C.
No, it does not have a communication function.