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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5150-1MH32-0AA0, is designed for starter protection applications. It features a 3-pole configuration and an operational current rating of 50A across a wide temperature range from 40°C to 70°C.
The breaker has a rated insulation voltage of 800V and an operating voltage of 690V AC. It boasts a high breaking capacity, with a maximum short-circuit current (Icu) of 150 kA at 240V and 70 kA at 415V. The mechanical service life is rated for a typical 20,000 switching cycles, with electrical endurance varying based on voltage and load conditions.
Designed according to UL 489 standards, this circuit breaker is HACR Type compliant. It features front connections with a nut keeper kit on both ends for secure installation. The dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth, with a DIN rail mounting type.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated insulation voltage is 800 V.
The operating voltage at AC is 690 V.
The maximum power loss is 5.6 W.
This circuit breaker has 3 poles.
The current rating is 50 A.
The voltage rating is 690 V.
The breaking capacity (Icu) at 415V is 70 kA, and the operating short-circuit current (Ics) at 415V is also 70 kA.