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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5150-1MU36-0AA0, is engineered for starter protection applications. It features a 3-pole configuration and a rated operational current of 50A across a temperature range of 40°C to 70°C.
The breaker operates at a rated voltage of 690V AC and has an insulation voltage of 800V. Its breaking capacity (Icu) is 150 kA at 240V, 70 kA at 415V, and 10 kA at 690V. The short-circuit protection is adjustable with a setting current (Ii) range from 3 to 7 times the nominal current.
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of 8,000 cycles at 380/415V and 4,000 cycles at 690V, this circuit breaker is built for durability. It is HACR Type compliant and mounts via DIN rail.
Additional specifications include a maximum power loss of 7.7W and an active power loss of 2.57W per pole. The net weight is 1.034 kg.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage at AC is rated at 690 V.
The operational current is 50A at temperatures ranging from 40°C to 70°C.
The maximum short-circuit breaking capacity (Icu) at 240V is 150 kA.
This circuit breaker has 3 poles.
The mounting type is DIN Rail.