3VA5120-5ED31-0AA0
Siemens
The Siemens 3VA5120-5ED31-0AA0 is a 3-pole molded-case circuit breaker with a 20A current rating and a maximum operational voltage of 690V AC. It offers a breaking capacity of 35kA at 480V.
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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5120-5EF31-0AA0, is a 3-pole device designed for system protection applications. It offers 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.
The breaker has a maximum rated operational voltage of 690V AC at 50/60Hz and 500V DC. It boasts a high breaking capacity according to IEC 60947 standards, with an Icu of 85kA at 240V and 55kA at 415V. Under UL 489 standards, the breaking capacity is 35kA at 480V.
Adjustable overcurrent protection settings include a long-time delay (Ir) from 14A to 20A and a short-time delay (Ii) from 150A to 300A. The device features a mechanical service life of typically 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V.
Designed for DIN rail mounting, this 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 is compliant with RoHS3 standards and has an MSL of 1.
| 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 690 V AC at 50/60Hz and 500 V DC.
The breaking capacity according to UL 489 at 480 V is 35 kA.
The adjustable response current for overload protection (Ir) ranges from 14A to 20A, and for short-circuit protection (Ii) ranges from 150A to 300A.
This circuit breaker is designed for DIN rail mounting.
Yes, the RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) is 1 Unlimited.