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This Siemens 3VA6340-5KL31-0AA0 is a molded-case circuit breaker from the SENTRON series, designed for system protection applications. It features a 3-pole configuration and a robust current rating of 400A, with an adjustable overload protection range from 160A to 400A and short-circuit protection from 1.5 to 10 times the rated current.
The circuit breaker boasts a high breaking capacity, rated at 35kA at 480V according to UL 489 standards, and 55kA at 415V according to IEC 60947. It is equipped with an ETU820 electronic trip unit with LI protection functions. The insulation voltage is rated at 600V.
Designed for DIN rail mounting, this unit has a mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 6,000 cycles at 480V and 380/415V. The dimensions are 248mm in height, 138mm in width, and 110mm in depth, with a front protection class of IP40. It also includes communication and other measurement functions.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating varies with temperature, from 375A at 55°C down to 300A at 70°C. The nominal current rating is 400A.
The insulation voltage (Ui) is 600V, and the rated operational voltage is 690V.
According to UL 489 standards, the breaking capacity is 35 kA. According to IEC 60947, the breaking capacity (Icu) at 240V is 85 kA, and at 415V is 55 kA.
It features an ETU820 electronic trip unit with LI protection functions, offering adjustable overload protection (Ir) from 160A to 400A and adjustable short-circuit protection (Ii) from 1.5 to 10 times the rated current.
This circuit breaker is designed for DIN rail mounting.
The operating temperature range is from a minimum of -25°C.
Yes, this circuit breaker is equipped with a communication function.