Built for commercial and industrial applications, the Siemens 3VA5135-5ED21-0AA0 is a 2-pole, 35A molded case circuit breaker from the SENTRON 3VA5 family. This panel mount MCCB installs into Siemens P1, P2, and P3 panelboards and switchboards, and serves as a direct replacement for legacy CED62B035 breakers. The unit features Class M breaking capacity with a 35kAIC rating at 480VAC, fixed thermal-magnetic trip, and comes without lugs for customized connections.
What legacy Siemens circuit breaker does the 3VA5135-5ED21-0AA0 replace?
This 3VA5 series breaker is the designated modern replacement for the discontinued ED42B035 2-pole circuit breaker. When retrofitting into older Siemens P1 panelboards, a specific 3VA mounting kit is required.
Which Siemens panelboards are compatible with the 3VA5135-5ED21-0AA0?
This breaker is designed for use in Siemens P1, P2, and P3 panelboards, as well as Siemens switchboards. For P1 panels, ensure you have the correct mounting kit or an updated interior labeled with the NGB suffix that supports 3VA breakers.
What does the 0AA0 suffix mean in the 3VA5135-5ED21-0AA0 part number?
The 0AA0 suffix indicates that this is a standard breaker without any factory-installed internal accessories, such as shunt trips, auxiliary switches, or undervoltage releases.
What is the breaking capacity class of the 3VA5135-5ED21-0AA0?
The 5 in the 5ED21 portion of the part number designates this as a Class M (Medium) breaking capacity breaker, delivering 35kAIC at 480VAC.
Is the trip unit on the 3VA5135-5ED21-0AA0 adjustable?
No, this breaker features a TM210 thermal-magnetic trip unit with fixed thermal (overload) and fixed magnetic (short-circuit) protection settings.
What is the frame size of the 3VA5135-5ED21-0AA0?
This breaker is built on the Siemens 3VA51 frame, which has a maximum capacity of 125 amps.
Can the 3VA5135-5ED21-0AA0 be used in DC applications?
Yes, this breaker is rated for use in DC systems up to 250VDC, providing an interrupting capacity of 85kA.
Does the 3VA5135-5ED21-0AA0 support reverse feeding?
Yes, Siemens 3VA5 molded case circuit breakers are reverse-feed rated, allowing them to be wired with the line connections on either the top or bottom terminals.
Is the 3VA5135-5ED21-0AA0 HACR rated?
Yes, this breaker is HACR rated, making it suitable for protecting heating, air conditioning, and refrigeration equipment circuits.
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Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.