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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5150-1MU31-0AA0, is designed for starter protection applications. It features a 3-pole configuration and a rated operational current of 50A, with a maximum operational voltage of 690V AC.
The breaker offers a high breaking capacity, with a maximum short-circuit current (Icu) of 150 kA at 240V and 70 kA at 415V. The adjustable overcurrent release (Ii) can be set between 150A and 350A. It is built with a mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles.
Mechanically, the unit has dimensions of 140mm in height, 76.2mm in width, and 76.5mm in depth. It is designed for DIN rail mounting. The operating temperature range is from -25°C to 70°C.
This circuit breaker is approved by multiple agencies including CCC, CE, CSA, EAC, UL489, and VDE, ensuring compliance with various industry standards.
| 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 rated operational current (Iu) is 50 A.
The breaking capacity (Icu) at 415 V is 70 kA, and the operating breaking capacity (Ics) at 415 V is also 70 kA.
The dimensions are 140 mm in height, 76.2 mm in width, and 76.5 mm in depth.
The operating temperature range is from -25 °C to 70 °C.
Yes, the RoHS status is RoHS3 Compliant.