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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5170-6EC31-0AA0, is designed for system protection and line protection applications. It features a 3-pole configuration and a rated operational current of 70A at 40°C, with a maximum operational voltage of 690V AC.
The breaker boasts a high breaking capacity, rated at 65kA at 480V according to UL 489 standards, and 70kA at 415V according to IEC 60947. The overcurrent release is a TM230 type with LI protection function, offering adjustable short-circuit protection from 5 to 10 times the rated current.
With a mechanical service life of typically 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V, this circuit breaker is built for durability. It is designed for DIN rail mounting and has a compact mechanical design with dimensions of 140mm height, 76.2mm width, and 7 inches depth.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for this circuit breaker is 690 V AC at 50/60 Hz and 500 V DC.
The breaking capacity according to UL 489 is 65 kA at 480V.
The permanent rated current (Iu) is 70 A, and the operational current at 40°C is also 70 A.
This circuit breaker has 3 poles.
This circuit breaker supports DIN rail mounting.