3VA5120-4ED31-0AA0
Siemens
The Siemens 3VA5120-4ED31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It features a 20A current rating and a 690V maximum operational voltage.
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The Siemens 3VA5120-6EC31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It features a permanent rated current (Iu) of 20A, with operational current ratings varying slightly with temperature, from 20A at 40°C down to 18.1A at 70°C.
This circuit breaker offers a high breaking capacity according to IEC 60947 standards, with a maximum short-circuit current (Icu) of 150 kA at 240V and 70 kA at 415V. It also meets UL 489 standards, providing a breaking capacity of 65 kA at 480V.
With an insulation voltage (Ui) of 800V and a maximum rated operational voltage (Ue) of 690V AC (50/60 Hz) or 500V DC, it is suitable for various industrial applications. The device has a mechanical service life of typically 15,000 switching cycles and an electrical endurance of up to 8,000 cycles at 380/415V.
Designed for DIN rail mounting, the circuit breaker has dimensions of 5.5 inches (140 mm) in height, 3 inches (76.2 mm) in width, and 3 inches (76.5 mm) in depth. It utilizes a TM230 overcurrent release 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 maximum rated operational voltage is 690 V.
The insulation voltage is 800 V.
The breaking capacity at 240 V is 150 kA.
It uses DIN rail mounting.
It has a mechanical service life of 15,000 switching cycles.
