The Siemens SENTRON 3VA1050-4ED32-0HA0 is a 3-pole molded case circuit breaker rated 50 A continuous at 40 °C, with a TM210 thermal-magnetic overcurrent release and an integral shunt trip (STL) for remote tripping. Its interrupting capacity reaches 121 kA at 240 VAC, 75.6 kA at 415 VAC, and 52.5 kA at 440 VAC — figures that govern whether this breaker clears a fault without upstream devices needing to open.
Siemens 3VA1050-4ED32-0HA0 SENTRON MCCB, 50 A, 3-Pole, 121 k
MPN3VA1050-4ED32-0HA0
Siemens SENTRON 3VA1050-4ED32-0HA0, molded case circuit breaker, 3-pole, 50 A, TM210 thermal-magnetic release, shunt trip (STL), 121 kA interrupting capacity at 240 VAC, line protection design.
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 | Molded case circuit breaker |
| Brand / range | SENTRON |
| Basic switch (supplied) ref. | 3VA10504ED320AA0 |
| Parameter | Value |
|---|---|
| Number of poles | 3 |
| Rated operational voltage Ue (AC) | 690 V |
| Rated insulation voltage Ui | 800 V |
| Current at 40 °C | 50 A |
| Current at 45 °C | 50 A |
| Current at 50 °C | 50 A |
| Current at 55 °C | 49 A |
| Current at 60 °C | 48 A |
| Current at 65 °C | 46 A |
| Current at 70 °C | 45 A |
| Switching capacity class | S |
| Breaking capacity at 240 V | 121 kA |
| Breaking capacity at 415 V | 75.6 kA |
| Breaking capacity at 440 V | 52.5 kA |
| Breaking capacity at 500 V | 11.9 kA |
| Breaking capacity at 690 V | 11.9 kA |
| Power loss, max. | 14.6 W |
| Parameter | Value |
|---|---|
| Overcurrent release (trip unit) type | TM210 |
| Overcurrent protection function | LI |
| Ground-fault monitoring | Without |
| Grounding protection function | No |
| Parameter | Value |
|---|---|
| Main circuit connection type | nut keeper kit on both ends |
| Main circuit connector arrangement | Front terminal |
| Protection class (IP), front | IP40 |
| Parameter | Value |
|---|---|
| Undervoltage release | No |
| Voltage trigger | Yes |
| Trip indicator | No |
| Communication function | No |
| Measurement function | No |
| Motor drive option | No |
| 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 | 130 mm |
| Width | 76.2 mm |
| Depth | 70 mm |
| Height (in) | 5.12 in |
| Width (in) | 3 in |
| Depth (in) | 2.76 in |
Product details
Frequently asked questions
What is the interrupting capacity of 3VA1050-4ED32-0HA0 at 240 V?
121 kA at 240 VAC, with 75.6 kA at 415 VAC, 52.5 kA at 440 VAC, and 11.9 kA at 500 V and 690 V.
What overcurrent release does this MCCB use?
It uses a TM210 thermal-magnetic release, designed for line protection.
Does 3VA1050-4ED32-0HA0 include a shunt trip?
Yes, it is equipped with a shunt trip (STL) auxiliary release for remote tripping.
Where can I buy 3VA1050-4ED32-0HA0?
Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time.
MPN
3VA1050-4ED32-0HA0