Designed for 2-pole applications, this 150A MCCB is part of the Siemens SENTRON 3VA5 series. It provides reliable line protection for commercial facilities. The breaker mounts into Siemens P2 through P5 panelboards. It acts as a direct substitute for the discontinued FXD62B150, making facility upgrades straightforward. It features a TM230 trip unit with fixed thermal and adjustable magnetic settings. The Class M breaker delivers a 35kA interrupting rating at 480VAC.
Reverse Feed, Non-Interchangeable Trip, 2-Pole in 3-Pole Housing
Product FAQs
7 answers
Which Siemens panelboards are compatible with the 3VA5215-5EC61-0AA0?
This 3VA52 frame circuit breaker is designed for use in Siemens P2, P3, P4, and P5 panelboards, as well as compatible switchboards. Installation in P4 and P5 panels typically requires a dedicated mounting hardware strap kit, such as the S3VA52PR or S3VA52TD.
Can this 3VA52 frame breaker be twin-mounted in a Siemens P3 panelboard?
Yes, 250A max 3VA52 frame breakers can be twin-mounted in the branch area of Siemens P3 lighting panelboards. They require 6 inches of unit space per pair and must be installed using the appropriate field strap and hardware kits.
What does the LI trip function indicate on this 150A breaker?
The LI designation means the breaker is equipped with Long-Time (L) and Instantaneous (I) trip functions. The Long-Time function provides thermal overload protection (which is fixed on this model), while the Instantaneous function provides magnetic short-circuit protection (which is adjustable).
What is the maximum frame rating for the 3VA5215-5EC61-0AA0?
This breaker is built on the Siemens 3VA52 frame, which has a maximum capacity of 250A. This specific model is factory-calibrated for a 150A continuous current rating.
Is the Siemens 3VA5215-5EC61-0AA0 suitable for reverse feed applications?
Yes, Siemens 3VA5 thermal-magnetic molded case circuit breakers are UL listed for reverse feed applications, allowing power to be supplied to either the line or load terminals.
Can this 2-pole breaker be used on DC voltage systems?
Yes, it is rated for use on DC systems up to 500VDC with a 50kA interrupting rating. When applying molded case circuit breakers on ungrounded DC systems, consult Siemens documentation for the correct pole wiring configuration.
Does the 3VA5215-5EC61-0AA0 provide ground fault equipment protection?
No, this breaker features a standard thermal-magnetic trip unit (LI) for overload and short-circuit protection. It does not include integral ground fault (GFEP) or life-safety (GFCI) protection.
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Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.