The Siemens SENTRON 3VA2063-5KQ42-0AA0 is a 4-pole molded case circuit breaker (MCCB) rated for line protection, carrying a continuous current Iu of 63 A across the full ambient range from 40 °C to 70 °C — no derating needed in a warm panel. The electronic trip unit is an ETU860, which gives you adjustable long-time delay (tr) from 0.5 to 25 seconds and short-time delay (tsd) from 0.05 to 0.5 seconds. That selectivity range lets you coordinate downstream breakers so only the faulted branch opens — a line-down event doesn't take the whole panel. Ground-fault monitoring is built in via summation current on L+N, so you can detect leakage without an external module. Communication is onboard, meaning this breaker can talk to a higher-level control system for remote monitoring and trip-event logging — useful for a plant-floor engineer who wants to know why a feeder tripped without walking the panel.
Siemens 3VA2063-5KQ42-0AA0 SENTRON MCCB, 4-pole, 63 A, 187 k
Siemens SENTRON 3VA2063-5KQ42-0AA0, 4-pole molded case circuit breaker, 63 A rated continuous current, breaking capacity 187 kA at 240 V, ETU860 electronic trip unit, line protection, communication capable.
Specifications
| Parameter | Value |
|---|---|
| Product designation | Molded case circuit breaker |
| Brand / range | SENTRON |
| Product version | Line protection |
| Parameter | Value |
|---|---|
| Number of poles | 4 |
| Current at 40 °C | 63 A |
| Current at 45 °C | 63 A |
| Current at 50 °C | 63 A |
| Current at 55 °C | 63 A |
| Current at 60 °C | 63 A |
| Current at 65 °C | 63 A |
| Current at 70 °C | 63 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 | 76 kA |
| Breaking capacity at 690 V | 3 kA |
| Power loss, max. | 5.4 W |
| Parameter | Value |
|---|---|
| Overcurrent release (trip unit) type | ETU860 |
| 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 |
|---|---|
| Communication function | Yes |
| Measurement function | Yes |
| 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 |
|---|---|
| Height | 181 mm |
| Width | 140 mm |
| Depth | 86 mm |
| Height (in) | 7.1 in |
| Width (in) | 5.5 in |
| Depth (in) | 3.4 in |
Product details
Frequently asked questions
Where can I buy 3VA2063-5KQ42-0AA0 and how do I get a price?
We source and quote this part to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
Will 3VA2063-5KQ42-0AA0 drop into a panel that was specified around 3VA2063-8JQ42-0AA0 without rewiring?
Both are 4-pole SENTRON MCCBs in the same frame size, so the physical footprint and mounting are identical. The difference is the trip unit and accessories — verify the ETU860 vs ETU860 variant and any communication module fit before swapping.
What is 3VA2063-5KQ42-0AA0's listed depth (86 mm) on this component line?
The depth is 86 mm (3.4 in), which is standard for the 3VA2 frame.
What compliance documentation does this brand provide for 3VA2063-5KQ42-0AA0 (RoHS, REACH, UL, IEC)?
As a Siemens SENTRON MCCB, it carries the usual CE, UL, and IEC certifications for the class. Specific RoHS and REACH declarations are available from the manufacturer's documentation portal.