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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5190-1MH32-0AA0, is specifically designed for starter protection applications. It features a 3-pole configuration and a nominal operational current of 90A at 40°C, with ratings adjusted for higher ambient temperatures.
The breaker operates at a rated voltage of 690V AC and boasts a high breaking capacity, with a maximum short-circuit current (Icu) of 150kA at 240V and 70kA at 415V. It is equipped with a TM120M overcurrent release for protection.
Constructed for durability, the unit has a mechanical service life of typically 20,000 switching cycles. Its dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth. The breaker is designed for front connection using a nut keeper kit on both ends, accommodating conductor cross-sections from 12 x 1 mm up to 17 x 6.5 mm. It is suitable for HACR Type applications according to UL 489.
Additional technical data includes a maximum power loss of 18W and an active power loss per pole of 6W. The insulation voltage is rated at 800V.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operating voltage for this circuit breaker at AC is 690 V.
The operational current at 40°C is 90 A.
The maximum short-circuit current breaking capacity (Icu) at 240 V is 150 kA.
The typical mechanical service life is 20,000 switching cycles.
The dimensions are 140 mm in height, 76.2 mm in width, and 76.5 mm in depth.