SENTRON 3VA2340-5JQ42-0AA0, molded case circuit breaker, 400 A, 4-pole, 187 kA at 240 V, line protection, with communication.
| Parameter | Value |
|---|---|
| Product designation | Molded case circuit breaker |
| 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 | 375 A |
| Current at 60 °C | 350 A |
| Current at 65 °C | 325 A |
| Current at 70 °C | 300 A |
| Switching capacity class | M |
| Breaking capacity at 240 V | 187 kA |
| Breaking capacity at 415 V | 121 kA |
| Breaking capacity at 440 V | 121 kA |
| Breaking capacity at 500 V | 75.6 kA |
| Breaking capacity at 690 V | 7.5 kA |
| Power loss, max. | 96 W |
| Parameter | Value |
|---|---|
| Overcurrent release (trip unit) type | ETU560 |
| Overcurrent protection function | LSIG |
| Ground-fault monitoring | Summation current formation L + N conductor |
| Grounding protection function | Yes |
| Parameter | Value |
|---|---|
| Main circuit connection type | on both sides nut keeper kit |
| Main circuit connector arrangement | Front terminal |
| Protection class (IP), front | IP40 |
| Parameter | Value |
|---|---|
| Undervoltage release | No |
| Voltage trigger | No |
| Trip indicator | No |
| Communication function | Yes |
| 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. | 20 000 |
| Height | 248 mm |
| Width | 184 mm |
| Depth | 110 mm |
| Height (in) | 9.76 in |
| Width (in) | 7.24 in |
| Depth (in) | 4.33 in |
The 400 A rating holds from 40 °C through 50 °C; above that it derates to 375 A at 55 °C, 350 A at 60 °C, 325 A at 65 °C, and 300 A at 70 °C.
At 500 V the breaker still clears 75.6 kA; at 690 V it drops to 7.5 kA.
The breaker measures 184 mm wide, 248 mm tall, and 110 mm deep — a 4-pole frame that occupies standard MCCB panel space.
Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time.
Rated 400 A continuous, 4-pole, with breaking capacity of 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 500 V, and 7.5 kA at 690 V. Insulation voltage is 800 V.
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