Engineered for high-capacity industrial systems, this 3-pole, 200A MCCB is part of the Siemens SENTRON 3VA5 frame group. It provides robust long-time and instantaneous (LI) protection for commercial applications. The breaker mounts into Siemens 3VA panelboards and switchboards, and replaces the HHFD63B200 when using a mounting kit. Featuring a 100 kAIC rating at 480V, it utilizes a trip-free mechanism with fixed thermal and adjustable magnetic settings for precise current-limiting performance.
HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism
Product FAQs
6 answers
What frame size does the Siemens 3VA5220-7EC31-0AA0 belong to?
This 200A breaker is built on the Siemens 3VA52 frame, which has a maximum capacity of 250A. It is designed for use in Siemens 3VA panelboards and switchboards.
What does the 7 in the 3VA5220-7EC31-0AA0 catalog number indicate?
The 7 designates this as a Class C interrupting breaker. This provides a high interrupting capacity of 100kA at 480VAC and 200kA at 240VAC.
How does the trip unit on the 3VA5220-7EC31-0AA0 function?
It features a TM230 thermal-magnetic trip unit with fixed thermal and adjustable magnetic settings. The continuous current is fixed at 200A, while the instantaneous short-circuit response can be adjusted to coordinate with other protective devices.
Can the 3VA5220-7EC31-0AA0 replace older Siemens legacy breakers?
Yes, the 3VA52 frame is the modern replacement for legacy Siemens breakers like the HHFD63B200. However, because the physical dimensions differ, a specific mounting adapter kit is required when retrofitting into existing enclosures.
What does the LI trip function code mean on this breaker?
The LI designation indicates that the breaker provides Long-Time (L) overload protection and Instantaneous (I) short-circuit protection. This is standard for general power distribution and commercial applications.
Is the 3VA5220-7EC31-0AA0 rated for DC applications?
Yes, in addition to its AC ratings, this breaker is rated for up to 500VDC with a 100kA interrupting capacity, making it suitable for industrial direct current systems.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.