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The Siemens 3VA5120-4EF41-0AA0 is a 4-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It has a permanent rated current (Iu) of 20A, with an adjustable overload protection range (Ir) from 16A to 20A and short-circuit protection (Ii) from 150A to 300A.
This circuit breaker operates at a maximum rated operational voltage of 690V AC and 600V DC, with an insulation voltage of 800V. Its breaking capacity according to UL 489 is 25kA at 480V, and 65kA at 240V. According to IEC 60947, the breaking capacity (Icu) is 55kA at 240V and 36kA at 415V. The device is equipped with a TM240 overcurrent release and offers LI protection function.
Designed for DIN rail mounting, this circuit breaker has a mechanical service life of typically 15,000 switching cycles. It is suitable for HACR Type applications. The dimensions include a height of 5.5 inches.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The insulation voltage is 800 V.
The maximum rated operational voltage (AC) is 690 V at 50/60Hz.
The mechanical service life is typically 15,000 switching cycles.
The breaking capacity at 240 V is 55 kA.
It uses DIN rail mounting.
RoHS compliance status is unverified.