Engineered for demanding industrial environments, the Siemens 3VA5220-6EC31-0AA0 is a 200A molded case circuit breaker. It utilizes a TM230 trip unit to deliver reliable long-time and instantaneous (LI) protection. This 3-pole MCCB mounts into Siemens 3VA panelboards. It also replaces legacy HFD63B200 breakers, though a mounting kit is required for P1, P2, or P3 panelboards. The breaker features a high 65kAIC rating at 480V, combining fixed thermal and adjustable magnetic trip settings.
HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism
Product FAQs
5 answers
Which Siemens panelboards are compatible with the 3VA5220-6EC31-0AA0 circuit breaker?
This 3VA52 frame breaker can be installed in Siemens P3, P4, and P5 distribution panelboards and switchboards. Specific twin mount provision kits, such as the S3VA52PR for P4 and P5 panels, are required to properly secure the breaker to the bus.
What is the adjustable magnetic trip range for the 3VA5220-6EC31-0AA0?
The TM230 trip unit features a fixed thermal overload set at 200A and an adjustable instantaneous magnetic trip. The magnetic trip can be adjusted from 5 to 10 times the continuous current rating, providing a short-circuit response range of 1000A to 2000A.
Can the 3VA5220-6EC31-0AA0 be reverse fed?
Yes, Siemens 3VA5 thermal magnetic circuit breakers are UL listed for reverse feed applications. This allows line power to be safely connected to either the top or bottom terminals without compromising the protective functions of the breaker.
Can the 3VA5220-6EC31-0AA0 replace older Siemens legacy breakers?
Yes, this 3VA52 frame breaker is the modern replacement for legacy 200A FD-frame breakers, including the HFD63B200. Upgrading an existing panelboard to the 3VA series will require a new 3VA-specific mounting strap or provision kit.
Is the 3VA5220-6EC31-0AA0 suitable for DC voltage applications?
Yes, this breaker is rated for DC applications up to 750VDC. It provides an interrupting capacity of 85kAIC at 250VDC, 500VDC, and 750VDC. Proper series or zig-zag wiring across multiple poles is required for higher DC voltages per Siemens installation guidelines.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.