Siemens SENTRON 3VA1150-6EF36-0BC0, molded case circuit breaker, 3-pole, 50 A rated continuous current Iu, TM240 thermal-magnetic release, 220 kA breaking capacity at 240 V AC, undervoltage release, 2 auxiliary switches HQ, IP40 front.
| Parameter | Value |
|---|---|
| Product designation | Molded case circuit breaker |
| Brand / range | SENTRON |
| Product version | Line protection |
| Integrated auxiliary / alarm switch ref. | 3VA9988-0AA12 |
| Parameter | Value |
|---|---|
| Number of poles | 3 |
| Current at 40 °C | 50 A |
| Current at 45 °C | 50 A |
| Current at 50 °C | 50 A |
| Current at 55 °C | 48 A |
| Current at 60 °C | 47 A |
| Current at 65 °C | 46 A |
| Current at 70 °C | 45 A |
| Switching capacity class | H |
| Breaking capacity at 240 V | 220 kA |
| Breaking capacity at 415 V | 154 kA |
| Breaking capacity at 440 V | 121 kA |
| Breaking capacity at 690 V | 17 kA |
| Parameter | Value |
|---|---|
| Overcurrent release (trip unit) type | TM240 |
| Parameter | Value |
|---|---|
| Main circuit connection type | box terminal |
| Main circuit connector arrangement | Front terminal |
| Protection class (IP), front | IP40 |
| Parameter | Value |
|---|---|
| Undervoltage release | Yes |
| Voltage trigger | No |
| Trip indicator | No |
| Communication function | No |
| Measurement function | No |
| Motor drive option | Yes |
| Auxiliary CO contacts | 2 |
| Parameter | Value |
|---|---|
| Operating temperature, max. | 70 °C |
| Operating temperature, min. | -25 °C |
| Storage temperature, max. | 80 °C |
| Storage temperature, min. | -40 °C |
| Parameter | Value |
|---|---|
| Height | 130 mm |
| Width | 76.2 mm |
| Depth | 70 mm |
Its interrupting capacity hits 220 kA at 240 V AC, 154 kA at 415 V, and 121 kA at 440 V — numbers that tell you this breaker is sized for high-fault panels where upstream coordination demands serious headroom.
The 50 A rating holds flat from 40 °C to 50 °C ambient, then derates to 48 A at 55 °C, 47 A at 60 °C, 46 A at 65 °C, and 45 A at 70 °C.
220 kA at 240 V AC, with 154 kA at 415 V and 121 kA at 440 V — these are the values for the line-protection version with the TM240 release.
This part is sourced through independent industrial distribution and quoted to order against an RFQ. Availability and current pricing are confirmed at quote time — no stock count or price is published here.
Two auxiliary switches of the HQ design are factory-installed, plus an undervoltage release (UVR) is integrated as the auxiliary release.
No communication function and no ground fault monitoring are included. This is a standard line-protection breaker with a thermal-magnetic release.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
No related articles