It carries 20 A continuously at 40 °C ambient, with no derating needed up to 55 °C — still 20 A — and only a 1 A drop at 70 °C, so it holds its rating across typical enclosure temperatures. Three poles handle three-phase circuits. The interrupting capacity is 121 kA at 240 V, 75.6 kA at 415 V, 52.5 kA at 440 V, and 11.9 kA at both 500 V and 690 V — high enough for most industrial service-entrance or feeder applications where fault currents are substantial.
Siemens 3VA1020-4ED36-0DH0 SENTRON MCCB, 20A, 3-Pole, 121kA
MPN3VA1020-4ED36-0DH0
Siemens SENTRON 3VA1020-4ED36-0DH0, molded case circuit breaker, 3-pole, 20 A rated at 40 °C, breaking capacity 121 kA at 240 V, with undervoltage release and auxiliary switches.
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. | 3VA10204ED360AA0 |
| Integrated auxiliary / alarm switch ref. | 3VA9988-0AB12 |
| Parameter | Value |
|---|---|
| Number of poles | 3 |
| Rated operational voltage Ue (AC) | 690 V |
| Rated insulation voltage Ui | 800 V |
| Current at 40 °C | 20 A |
| Current at 45 °C | 20 A |
| Current at 50 °C | 20 A |
| Current at 55 °C | 20 A |
| Current at 60 °C | 19 A |
| Current at 65 °C | 19 A |
| Current at 70 °C | 19 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. | 14.5 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 | box terminal on both sides |
| Main circuit connector arrangement | Front terminal |
| Protection class (IP), front | IP40 |
| Parameter | Value |
|---|---|
| Undervoltage release | Yes |
| Voltage trigger | No |
| Trip indicator | Yes |
| Communication function | No |
| Measurement function | No |
| Motor drive option | No |
| Auxiliary CO contacts | 3 |
| 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
Where can I buy 3VA1020-4ED36-0DH0?
This part is sourced and quoted to order against an RFQ through independent distribution. Contact us with your quantity and target delivery window for a current price and lead time.
What is the breaking capacity of 3VA1020-4ED36-0DH0 at different voltages?
121 kA at 240 V, 75.6 kA at 415 V, 52.5 kA at 440 V, and 11.9 kA at both 500 V and 690 V.
Does 3VA1020-4ED36-0DH0 include an undervoltage release?
Yes, it comes with an undervoltage release (UVR) as standard, plus two auxiliary switches and one trip-alarm switch.
MPN
3VA1020-4ED36-0DH0