Designed for high-capacity power distribution, this 150A, 3-pole MCCB is part of the Siemens 3VA52 frame lineup. It delivers robust protection for industrial facilities. The breaker installs into Siemens P2 through P5 panelboards. It is also an exact cross-reference replacement for the discontinued HHFD63B150 model. With a Class C rating of 100kA at 480V, it features a TM230 trip unit providing a fixed thermal threshold alongside an adjustable magnetic trip.
Which Siemens panelboards are compatible with the 3VA5215-7EC31-0AA0?
This 150A breaker is compatible with Siemens P2, P3, P4, and P5 panelboards, as well as Siemens switchboards. You will need the correct mounting strap kit for your specific panel type.
What is the adjustable magnetic trip range for this breaker?
The TM230 trip unit features a fixed thermal overload (Ir) of 150A and an adjustable instantaneous magnetic trip (Ii). The magnetic trip can be adjusted from 5 to 10 times the continuous current, providing a short-circuit trip range of 750A to 1500A.
Can the 3VA5215-7EC31-0AA0 be used in DC power systems?
Yes, this thermal magnetic breaker is rated for DC applications. It provides a 100kA interrupting rating at 250VDC, 500VDC, and 750VDC.
What does the 0AA0 suffix mean in the 3VA5215-7EC31-0AA0 part number?
In Siemens 3VA nomenclature, the 0AA0 suffix indicates that the breaker is supplied from the factory without line or load lugs. While it is designed for lug connections, you must source the appropriate lugs separately based on your specific wire size requirements.
What is the frame size for the 3VA5215-7EC31-0AA0?
This breaker is built on the Siemens 3VA52 frame, which has a maximum capacity of 250A. This specific unit is factory-configured with a 150A continuous current rating.
Is the 3VA5215-7EC31-0AA0 suitable for reverse feed applications?
Yes, Siemens 3VA5 thermal magnetic molded case circuit breakers are UL listed for reverse feed applications, allowing them to be back-fed when required by your panel design.
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Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.