Built for demanding industrial environments, the Siemens 3VA5335-5EC31-0AA0 delivers 350A of continuous current protection across three poles. It utilizes a TM230 thermal-magnetic trip unit with fixed thermal and adjustable magnetic settings. Designed to fit seamlessly into Siemens 3VA panelboards, this unit offers a modern upgrade path. It replaces older JXD63B350 breakers in existing infrastructure. The breaker features an M-Class interrupting capacity of 35kA at 480VAC and is HACR rated.
Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment, Busbar System
Accessories
Nut Keeper Kit
Standards
IEC 60947-2, UL 489
Approval
ABS, CE, CSA, EAC, IEC, RCM, UL, VDE
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism
Product FAQs
6 answers
What older Siemens breaker does the 3VA5335-5EC31-0AA0 replace?
This 3VA53 frame breaker is the modern replacement for the legacy Sentron JD frame JXD63B350 circuit breaker.
Are lugs included with the 3VA5335-5EC31-0AA0 circuit breaker?
No. The 0AA0 suffix in the catalog number indicates this breaker ships from the factory without lugs. Line and load lugs must be purchased separately based on your specific wire size requirements.
What type of trip unit is installed in this 350A breaker?
It features a TM230 thermal-magnetic trip unit with fixed thermal overload protection and adjustable magnetic short-circuit protection.
What equipment is the 3VA5335-5EC31-0AA0 designed to fit?
This breaker is designed for use in Siemens 3VA panelboards and switchboards. It can also be installed in P1 panelboards when equipped with the appropriate mounting kit.
What is the interrupting capacity class for this 3VA53 breaker?
This is an M-Class breaker, providing a maximum interrupting rating of 35kA at 480VAC and 18kA at 600VAC.
Can the 3VA5335-5EC31-0AA0 be reverse fed?
Yes. This breaker features a non-interchangeable trip unit, making it suitable for reverse feed applications.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.