Built on the robust 250A 3VA52 frame, the Siemens 3VA5210-6EF31-0AA0 is a 3-pole, 100A MCCB. It is engineered to handle demanding commercial, industrial, and marine power distribution requirements with high reliability. This unit mounts into Siemens P1, P2, and P3 panelboards, SB switchboards, and motor control centers. It also serves as a replacement for legacy HFD63B100 breakers. The key advantage is its TM240 trip unit, featuring adjustable thermal and magnetic settings with 65kAIC at 480V.
What legacy Siemens circuit breaker does the 3VA5210-6EF31-0AA0 replace?
This 3VA5 series breaker can replace legacy HFD63B100 circuit breakers when installed with the appropriate retrofit mounting kit.
What is the frame size of the 3VA5210-6EF31-0AA0?
This breaker is built on the Siemens 3VA52 frame, which has a maximum capacity of 250A.
What are the adjustment ranges for the TM240 trip unit on this breaker?
The TM240 ATAM trip unit features an adjustable thermal continuous current from 80A to 100A. The instantaneous magnetic short-circuit pickup is adjustable from 500A to 1000A.
Which Siemens enclosures and panels are compatible with this breaker?
The 3VA5210-6EF31-0AA0 is designed for use in Siemens P1, P2, and P3 panelboards, SB switchboards, and Siemens motor control centers.
Is the 3VA5210-6EF31-0AA0 suitable for reverse feed applications?
Yes, all Siemens 3VA5 thermal magnetic trip circuit breakers are UL listed for reverse feed applications.
How should this 3-pole breaker be wired for 500V or 750V ungrounded DC systems?
When applying this breaker on 500V or higher ungrounded DC systems, the power supply must be connected in a series zig-zag configuration across all three poles to ensure uniform voltage distribution.
What is the breaking capacity class for the 3VA5210-6EF31-0AA0?
This breaker has a Class H (High) breaking capacity, which provides a 65kA interrupting rating at 480V.
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Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.