Siemens SENTRON 3VA2 series molded case circuit breaker, order code 3VA2125-8HL36-0AA0, 25 A rated continuous current, 3-pole, ETU320 electronic trip unit, breaking capacities from 440 kA at 240 V to 52.5 kA at 690 V.
| Parameter | Value |
|---|---|
| Product designation | Molded case circuit breaker |
| Brand / range | SENTRON |
| Parameter | Value |
|---|---|
| Number of poles | 3 |
| Rated operational voltage Ue (AC) | 690 V |
| Rated insulation voltage Ui | 800 V |
| Current at 40 °C | 25 A |
| Current at 45 °C | 25 A |
| Current at 50 °C | 25 A |
| Current at 55 °C | 25 A |
| Current at 60 °C | 25 A |
| Current at 65 °C | 25 A |
| Current at 70 °C | 25 A |
| Switching capacity class | L |
| Breaking capacity at 240 V | 440 kA |
| Breaking capacity at 415 V | 330 kA |
| Breaking capacity at 440 V | 330 kA |
| Breaking capacity at 500 V | 220 kA |
| Breaking capacity at 690 V | 52.5 kA |
| Power loss, max. | 0.5 W |
| Parameter | Value |
|---|---|
| Overcurrent release (trip unit) type | ETU320 |
| Overcurrent protection function | LI |
| Ground-fault monitoring | Without |
| Grounding protection function | No |
| Parameter | Value |
|---|---|
| Main circuit connection type | double-sided box terminal |
| Main circuit connector arrangement | Front terminal |
| Protection class (IP), front | IP40 |
| Parameter | Value |
|---|---|
| Undervoltage release | No |
| Voltage trigger | No |
| Trip indicator | No |
| Communication function | No |
| Measurement function | No |
| Motor drive option | Yes |
| Auxiliary CO contacts | 0 |
| Parameter | Value |
|---|---|
| Operating temperature, max. | 70 °C |
| Operating temperature, min. | -25 °C |
| Storage temperature, max. | 80 °C |
| Storage temperature, min. | -40 °C |
| Parameter | Value |
|---|---|
| Mechanical service life (operating cycles), typ. | 25 000 |
| Height | 181 mm |
| Width | 105 mm |
| Depth | 86 mm |
| Height (in) | 7.13 in |
| Width (in) | 4.13 in |
| Depth (in) | 3.39 in |
The interrupting rating varies with system voltage: 440 kA at 240 V, 330 kA at both 415 V and 440 V, 220 kA at 500 V, and 52.5 kA at 690 V.
Dimensions are 181 mm height, 105 mm width, and 86 mm depth, fitting standard panel layouts. Front face protection is IP40.
This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
At 240 V the interrupting rating is 440 kA, the highest of its rated voltage points. At 415 V and 440 V it is 330 kA, at 500 V it is 220 kA, and at 690 V it is 52.5 kA.
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