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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5150-4EF41-0AA0, is engineered for reliable system protection. It features a 4-pole configuration and a frame size of 125A, with a rated operational current of 50A at 40°C.
The breaker provides robust overcurrent protection with an adjustable overload setting (Ir) from 40A to 50A and an adjustable short-circuit setting (Ii) from 5 to 10 times the rated current. It boasts a high breaking capacity, rated at 25kA at 480V according to UL 489 standards, and 36kA at 415V according to IEC 60947 standards.
With a maximum rated operational voltage of 690V AC and 600V DC, this circuit breaker is suitable for various industrial applications. It is designed with a TM240 overcurrent release and LI protection function. The mechanical service life is rated at a typical 15,000 switching cycles, with electrical endurance varying based on voltage and load conditions.
Mounting is facilitated via DIN rail. The breaker is HACR Type approved and meets CCC, CE, CSA, EAC, UL489, and VDE standards. It does not feature communication or measurement functions.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The circuit breaker has a rated operational current of 50A at 40°C and a permanent assigned current (Iu) of 50A.
The maximum rated operational voltage is 690V AC at 50/60Hz and 600V DC.
The breaking capacity according to UL 489 is 25kA at 480V.
This circuit breaker has 4 poles.
It is designed for DIN Rail mounting.