Part of the Sentron 3VA5 series, the Siemens 3VA5220-5EF31-0AA0 is a 200A molded case circuit breaker designed for commercial and marine applications. It provides precise long-time and instantaneous (LI) protection. This 3-pole MCCB installs into Siemens 3VA panelboards and switchboards. It successfully replaces legacy FXD63B200 breakers, requiring a specific mounting kit for P1 panelboard integration. It features a Class M 35kAIC rating at 480V and fully adjustable thermal-magnetic trips.
What panelboards or enclosures is the 3VA5220-5EF31-0AA0 compatible with?
This 200A molded case circuit breaker is engineered for installation in Siemens 3VA panelboards, switchboards, and standalone enclosures. Integrating it into a legacy Siemens P1 panelboard will require a specific mounting kit.
Can I use the 3VA5220-5EF31-0AA0 to replace an older Siemens breaker?
Yes, this 3VA5 series breaker successfully replaces the legacy Siemens FXD63B200 circuit breaker. Note that retrofitting it into older enclosures or panels may require a dedicated hardware adapter kit to match the modern footprint.
Are line and load lugs included with the 3VA5220-5EF31-0AA0?
No, this specific catalog number is supplied from the factory without lugs. You must order the appropriate line and load lug kits separately for field installation.
How does the adjustable trip unit function on this 3VA5 breaker?
It utilizes an adjustable thermal magnetic trip unit with Long-Time (L) and Instantaneous (I) protection. Both the thermal and magnetic pickup levels can be field-adjusted to coordinate precisely with your system load and downstream devices.
Does this Siemens 3VA5 breaker feature a trip-free mechanism?
Yes, it features a trip-free over-center toggle mechanism. This safety design ensures the internal contacts will forcefully separate during a fault condition, even if the handle is physically held or locked in the ON position.
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Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.