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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5125-5ED21-1AA0, is designed for system protection and line protection applications. It features a 2-pole configuration and a rated operational current of 25A, with a maximum frame size current of 125A.
The breaker offers a breaking capacity of 35kA at 480V, with other ratings including 85kA at 240V and 18kA at 600Y/347V. Overload protection is set at Ir=25A, and fixed short-circuit protection is set at Ii=12 x In. The overcurrent release type is TM210 with LI protection function.
General technical data includes a maximum power loss of 5.6W and active power loss per pole of 2.8W. Mechanical service life is typically 15,000 switching cycles, with electrical endurance varying by voltage and load conditions, such as 8,000 cycles at AC-1 for 380/415V.
Mechanically, the unit has dimensions of 140mm height, 50.8mm width, and 76.5mm depth. It is designed for DIN rail mounting and has a front protection class of IP40. The operating temperature range is from -25°C to an unspecified maximum.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 25A at 40°C, derating to 22.8A at 70°C.
The breaking capacity is 35 kA at 480 V.
It has 2 poles.
The minimum operating temperature is -25 °C.
It supports DIN Rail mounting.
Yes, it is RoHS3 Compliant.