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This Siemens 3VA5181-1MU36-0AA0 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 1A, with a maximum operating voltage of 690V AC.
The circuit breaker offers robust short-circuit protection with a breaking capacity (Icu) of up to 150 kA at 240V and 70 kA at 415V. The adjustable short-circuit protection (Ii) ranges from 3A to 7A. It is built to UL 489 standards and is HACR Type listed.
With a mechanical service life of typically 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this breaker is designed for durability. It has a maximum power loss of 3W and an active power loss of 1W per pole. The unit weighs 0.794 kg and is designed for DIN rail mounting.
Key electrical specifications include an insulation voltage of 800V. The breaker does not feature communication functions, phase failure detection, or other measurement functions. It is designed without ground-fault monitoring.
| 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 1A at temperatures ranging from 40°C to 70°C.
The maximum short-circuit breaking capacity (Icu) is 150 kA at 240V, 70 kA at 415V, and 10 kA at 690V.
This circuit breaker is designed for DIN rail mounting.