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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5112-5EC41-0AA0, is a 4-pole unit designed for system protection applications. It features a rated operational voltage of up to 690V AC and 600V DC, with an insulation voltage of 800V.
The breaker has a current rating of 125A at 40°C, with derated values at higher temperatures. Its breaking capacity according to IEC 60947 is 55kA at 415V and 7kA at 690V. Under UL 489 standards, it provides a breaking capacity of 35kA at 480V and 18kA at 600Y/347V.
Adjustable parameters include overload protection (Ir) from 125A and short-circuit protection (Ii) from 625A to 1250A. The breaker has a maximum power loss of 29.1W and an active power loss of 9.7W per pole. It is built for a mechanical service life of 15,000 cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V.
This circuit breaker is suitable for DIN rail mounting and is designated as HACR Type. It does not feature communication or measurement functions.
| 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 690V AC and 600V DC.
The circuit breaker has a permanent rated current of 125A and an operational current of 125A at 40°C.
The breaking capacity according to UL 489 is 35kA at 480V. According to IEC 60947, it is 55kA at 415V and 7kA at 690V.
This circuit breaker has 4 poles.
This circuit breaker supports DIN rail mounting.