Delivering Class M breaking capacity, the Siemens 3VA5150-5ED11-0AA0 is a 1-pole, 50A molded case circuit breaker designed for demanding commercial environments. It provides reliable overload and short-circuit protection for 277VAC systems. The unit mounts into modern Siemens 3VA panelboards and switchboards, and can replace older ED41B050 breakers when used with a retrofit kit.
Which panelboards are compatible with the 3VA5150-5ED11-0AA0?
This 1-pole breaker is engineered specifically for integration into Siemens 3VA series panelboards and switchboards.
Can the 3VA5150-5ED11-0AA0 be used in DC power systems?
Yes, this breaker is rated for DC applications up to 125V DC, where it provides a 50kA interrupting capacity.
Are the trip settings adjustable on the 3VA5150-5ED11-0AA0?
No. This breaker features a thermal-magnetic trip unit with fixed long-time and fixed instantaneous protection settings, meaning the trip curve cannot be modified in the field.
What is the maximum frame capacity for the 3VA5150-5ED11-0AA0?
This breaker is built on the Siemens 3VA51 frame, which has a maximum capacity of 125A. This specific catalog number is factory-calibrated for a 50A continuous current rating.
What does the LI trip function code indicate on this Siemens breaker?
The LI code signifies that the trip unit provides Long-Time (L) protection for thermal overloads and Instantaneous (I) protection for short-circuit faults.
How are the conductors terminated on the 3VA5150-5ED11-0AA0?
This panel-mount breaker utilizes a feed-thru connection design and is equipped with lug terminals for secure line and load wiring.
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Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.