The 3VA5220-6EF31-0AA0 is part of the Siemens SENTRON 3VA5 family, functioning as a 3-pole, 200A molded case circuit breaker. Built for commercial and industrial power distribution, it delivers reliable overcurrent protection. This panel mount MCCB installs into Siemens P1, P2, and P3 panelboards (adapter required) and switchboards, replacing legacy FD63B200 breakers. Rated 65 kAIC at 480V, it features a TM240 thermal-magnetic trip unit with adjustable settings and current-limiting capabilities.
What panelboards are compatible with the Siemens 3VA5220-6EF31-0AA0?
This breaker is designed for use in Siemens P1, P2, and P3 panelboards, as well as Siemens switchboards. Note that an adapter or specific strap kit is required for installation in P-series panelboards.
Can the 3VA5220-6EF31-0AA0 replace older Siemens circuit breakers?
Yes, the 3VA5 series is the modern replacement for legacy Siemens FD frame breakers, such as the FD63B200. It provides upgraded thermal magnetic protection in a compact footprint.
How does the adjustable trip unit function on the 3VA5220-6EF31-0AA0?
This breaker features a thermal magnetic trip unit with adjustable long-time and instantaneous settings. The adjustable thermal setting allows you to fine-tune the continuous current protection, while the adjustable magnetic setting lets you calibrate the short-circuit response to handle specific inrush currents.
Is the 3VA5220-6EF31-0AA0 suitable for DC power applications?
Yes, this breaker is rated for DC applications up to 750VDC. It provides an 85kA interrupting rating at 250VDC, 500VDC, and 750VDC, making it suitable for industrial DC systems and solar installations.
What frame size is the 3VA5220-6EF31-0AA0?
It is built on the Siemens 3VA52 250A frame. Even though this specific breaker is rated for 200A, it utilizes the physical dimensions and internal accessory compatibility of the 250A frame class.
Can I add field-installable accessories to this breaker?
Yes, the 3VA5220-6EF31-0AA0 supports a range of internal accessories, including auxiliary switches, alarm switches, and shunt trips. These accessories are universal across the 3VA product line and can be installed directly into the breaker frame.
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Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.