3VA5112-6EC31-0AA0
Siemens
The Siemens 3VA5112-6EC31-0AA0 is a 3-pole molded-case circuit breaker rated for 125A and 690V. It offers high breaking capacity according to both IEC and UL standards.
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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5112-4EC31-0AA0, is designed for system protection and line protection applications. It features a 3-pole configuration and a rated operational current of 125A, with derating at higher temperatures.
The breaker has a maximum operational voltage of 690V AC and 500V DC, with an insulation voltage of 800V. It provides a breaking capacity of 55kA at 240V, 36kA at 415V, and 5kA at 690V according to IEC standards. Under UL 489, the breaking capacity is 25kA at 480V.
Key electrical protection functions include overload protection (Ir=125A) and fixed short-circuit protection (Ii=5...10 x In). The overcurrent release is of type TM230 with LI protection function. Mechanical endurance is rated at 15,000 cycles typical, with electrical endurance varying by voltage and load type.
With dimensions of 5.5 inches in height and 3 inches in width and depth, this circuit breaker is suitable for DIN rail mounting. It is designed for HACR Type applications.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum operational voltage is 690 V.
The rated operational current is 125A.
The breaking capacity at 240V is 25 kA.
It mounts on a DIN rail.
It has a typical mechanical service life of 15,000 switching cycles.