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This Siemens 3VA5140-1MU36-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, specifically designed for starter protection applications. It operates with a rated voltage of 690V AC and has an operational current rating of 40A across a wide temperature range from 40°C to 70°C.
The circuit breaker features a high breaking capacity, with a maximum short-circuit current (Icu) of 150 kA at 240V and 70 kA at 415V. The overcurrent release is set to TM120M, with an adjustable setting current (Ii) for short-circuit protection ranging from 3 to 7 times the nominal current.
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 built for durability. It is suitable for HACR Type applications according to UL 489 standards and is designed for DIN rail mounting.
General technical data includes an insulation voltage of 800V and a maximum power loss of 5W. The net weight of the unit is 1.017 kg.
| 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 40A at temperatures ranging from 40°C to 70°C.
The breaking capacity (Icu) is 150 kA at 240V, 70 kA at 415V, and 10 kA at 690V.
The setting current (Ii) for short-circuit protection is adjustable from 3 to 7 times the nominal current (In).
This circuit breaker is designed for DIN rail mounting.