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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5190-1MH31-0AA0, is a 3-pole unit designed for starter protection applications. It features a rated operational current of 90A at 40°C, with a maximum rated operational voltage of 690V AC at 50/60Hz. The breaker provides a high breaking capacity, with a maximum short-circuit current (Icu) of 150 kA at 240V and 70 kA at 415V.
With a mechanical service life of typically 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this circuit breaker is built for durability. It is housed in a compact frame with dimensions of 140mm height, 76.2mm width, and 76.5mm depth, suitable for DIN rail mounting. The operating temperature range is from -25°C to 70°C.
Additional features include an adjustable short-circuit protection with a range of 5 to 12 times the rated current (Ii min 450A, li max 1080A) and a HACR Type designation. It has a protection class of IP40 on the front. Optional motor drive accessories are available.
| 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.
The permanent rated current is 90 A, with an operational current of 90 A at 40°C.
The breaking capacity (Icu) is 150 kA at 240 V, 70 kA at 415 V, and 10 kA at 690 V.
The operating temperature range is from -25°C to 70°C.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level is 1 Unlimited.