3VA5150-4ED31-1AA0
Siemens
The Siemens 3VA5150-4ED31-1AA0 is a 3-pole molded-case circuit breaker with a 50A current rating and 690V voltage rating. It offers a breaking capacity of 25kA at 480V.
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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5150-4EF31-0AA0, is a 3-pole device suitable for system protection applications. It features a rated operational current of 50A at 40°C and a maximum operational voltage of 690V AC.
The breaker provides a breaking capacity of 25kA at 480V according to UL 489 standards, and 36kA at 415V according to IEC 60947 standards. It includes adjustable overload protection (Ir) from 40A to 50A and adjustable short-circuit protection (Ii) from 5 to 10 times the rated current.
With a mechanical service life of 15,000 switching cycles and electrical endurance ratings up to 8,000 cycles, this circuit breaker is built for durability. It is designed for DIN rail mounting and has dimensions of 140mm height, 76.2mm width, and 76.5mm depth.
| 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 50/60 Hz and 500 V DC.
The operational current rating is 50 A at 40°C, with derated values at higher temperatures.
The breaking capacity is 25 kA at 480 V according to UL 489, and 36 kA at 415 V according to IEC 60947.
The overload protection (Ir) is adjustable from 40A to 50A, and the short-circuit protection (Ii) is adjustable from 5 to 10 times the rated current.
This circuit breaker supports DIN rail mounting.
The typical mechanical service life is 15,000 switching cycles.