The 3VA5110-4ED31-0AA0 is a 3-pole, 100A MCCB from Siemens' SENTRON 3VA5 line. It provides dependable long-time and instantaneous (LI) protection for commercial and industrial applications. This panel mount breaker is engineered for Siemens 3VA panelboards and motor control centers. It also serves as a direct replacement for legacy ED43B100 breakers. Featuring a TM210 fixed thermal-magnetic trip unit, this Class S breaker delivers a 25kAIC rating at 480V. It is HACR rated and current limiting.
What older Siemens circuit breaker does the 3VA5110-4ED31-0AA0 replace?
This 100A Sentron 3VA5 breaker is the modern replacement for the legacy ED4 3-pole 100A breaker, such as catalog number ED43B100. Upgrading to the 3VA series in older panels may require a separate mounting hardware kit.
What equipment is the Siemens 3VA5110-4ED31-0AA0 designed to fit?
This circuit breaker integrates into modern Siemens 3VA panelboards, switchboards, and motor control centers. It can also be installed in legacy Siemens P1 through P5 panelboards when equipped with the appropriate retrofit mounting kit.
How does the TM210 trip unit function on this breaker?
The TM210 is a thermal-magnetic trip unit that provides fixed long-time overload protection and fixed instantaneous short-circuit protection (LI). On this 100A model, the instantaneous trip is permanently set at 10 times the rated current, or 1000A.
What frame size is the 3VA5110-4ED31-0AA0 built on?
This breaker is part of the Siemens 3VA51 frame family, which has a maximum frame rating of 125A. It utilizes a compact footprint that matches other 3VA51 breakers, saving valuable panel space compared to older legacy frames.
Is the Siemens 3VA5110-4ED31-0AA0 suitable for HVAC equipment applications?
Yes, this circuit breaker is HACR rated, certifying it for safe use with heating, air conditioning, and refrigeration equipment.
Can the 3VA5110-4ED31-0AA0 circuit breaker be reverse fed?
Yes. Siemens 3VA5 thermal-magnetic trip circuit breakers are UL listed for reverse feed applications, allowing flexibility when wiring line and load connections.
What is the breaking capacity class for this specific breaker?
This unit carries a Class S breaking capacity. In the Siemens 3VA system, Class S designates standard interrupting performance, which provides up to 65kA at 240VAC and 25kA at 480VAC.
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Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.