The 3VA1340-1AA42-0AA0 measures 184 mm wide by 248 mm high by 110 mm deep — a standard MCCB footprint for a 400 A frame. Front-terminal busbar connection means the busbars land on the face, not the rear, so plan for busbar access clearance in the gland plate layout.
Siemens 3VA1340-1AA42-0AA0 SENTRON Switch Disconnector, 400
MPN3VA1340-1AA42-0AA0
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Siemens SENTRON switch disconnector, 3VA1340-1AA42-0AA0, IEC frame 400, 4-pole, 400 A continuous, no overload or short-circuit protection, busbar connection.
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Product designation | Switch disconnector |
| Brand / range | SENTRON |
| Parameter | Value |
|---|---|
| Number of poles | 4 |
| Rated operational voltage Ue (AC) | 690 V |
| Rated insulation voltage Ui | 800 V |
| Current at 40 °C | 400 A |
| Current at 45 °C | 400 A |
| Current at 50 °C | 400 A |
| Current at 55 °C | 400 A |
| Current at 60 °C | 400 A |
| Current at 65 °C | 400 A |
| Current at 70 °C | 400 A |
| Power loss, max. | 77 W |
| Parameter | Value |
|---|---|
| Main circuit connection type | busbar connection |
| Main circuit connector arrangement | Front terminal |
| Protection class (IP), front | IP40 |
| Parameter | Value |
|---|---|
| Undervoltage release | No |
| Voltage trigger | No |
| Trip indicator | 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. | 15 000 |
| Height | 248 mm |
| Width | 184 mm |
| Depth | 110 mm |
Product details
MPN
3VA1340-1AA42-0AA0