3VA5112-4ED31-0AA0
Siemens
The Siemens 3VA5112-4ED31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It offers a 125A current rating and a maximum operational voltage of 690V AC.
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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5112-5EC31-0AA0, is designed for system protection. It features a 3-pole configuration and a rated operational current of 125A at 40°C, with derating at higher temperatures.
The circuit breaker operates at a maximum rated operational voltage of 690V AC and 500V DC, with an insulation voltage of 800V. It provides overload protection with a fixed setting for Ir at 125A and short-circuit protection with an adjustable range for Ii from 625A to 1250A. The breaking capacity according to UL 489 is 35kA at 480V, and according to IEC 60947, it is 55kA at 415V.
With a mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this breaker is built for durability. It is suitable for HACR Type applications and mounts via DIN rail.
Key electrical specifications include a maximum power loss of 29.1W and an active power loss per pole of 9.7W in hot operating state. The dimensions are 5.5 inches in height, 3 inches in width, and 3 inches in 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.
The circuit breaker has a permanent rated current (Iu) of 125 A and an operational current of 125 A at 40 °C.
The breaking capacity according to UL 489 is 35 kA at 480 V, and according to IEC 60947, it is 55 kA at 415 V.
This circuit breaker is designed for DIN Rail mounting.
The circuit breaker has a height of 5.5 inches (140 mm), a width of 3 inches (76.2 mm), and a depth of 3 inches.