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This Siemens 3VA5170-1MU36-0AA0 is a molded-case circuit breaker from the 3VA5 series, specifically designed for starter protection applications. It features a 3-pole configuration and a rated operational current of 70A at temperatures up to 70°C.
The circuit breaker operates at a rated voltage of 690V AC and boasts a high breaking capacity, with a maximum short-circuit current (Icu) of 150 kA at 240V and 70 kA at 415V. The adjustable I-trip setting current ranges from 3 to 7 times the nominal current (In).
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this breaker is built for durability. It is designed for DIN rail mounting and includes a lever actuator.
Key electrical specifications include an insulation voltage of 800V and a maximum power loss of 10.9W. The breaker is compliant with UL 489 HACR Type standards.
| 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 rating is 70 A at temperatures from 40°C to 70°C.
The breaking capacity (Icu) at 415V is 70 kA, and the operating short-circuit current (Ics) is also 70 kA.
This circuit breaker has 3 poles.
The typical mechanical service life is 20,000 switching cycles.
Yes, the design of the load switch is according to UL 489 for Heating, Air Conditioning, and Refrigeration (HACR Type).