Delivering high-performance circuit protection, the Siemens 3VA5190-5EC31-0AA0 is a 3-pole, 90A molded case circuit breaker. It is engineered for commercial facilities requiring elevated interrupting capacities. This breaker installs into Siemens 3VA panelboards and switchboards. It acts as a drop-in replacement for legacy ED63B090 models, simplifying maintenance and system upgrades without requiring complex modifications. The unit boasts a 35 kAIC rating at 480VAC and a TM230 trip unit.
Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment, DIN Rail Adapter
Accessories
None (Without connection)
Standards
IEC 60947-2, UL 489
Approval
CE, CSA, EAC, IEC, UL, VDE
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Reverse Feed
Product FAQs
6 answers
Which legacy Siemens circuit breaker does the 3VA5190-5EC31-0AA0 replace?
This 3VA5 series breaker serves as a direct replacement for the discontinued Siemens ED63B090 molded case circuit breaker.
Which panelboards are compatible with the 3VA5190-5EC31-0AA0 circuit breaker?
This breaker is designed for seamless integration into Siemens 3VA panelboards and standard Siemens switchboards.
How does the TM230 trip unit function on the 3VA5190-5EC31-0AA0?
The TM230 thermal-magnetic trip unit provides Long-Time and Instantaneous (LI) protection. It features a fixed thermal setting for overload protection and an adjustable magnetic setting to fine-tune short-circuit response.
What is the frame size of the 3VA5190-5EC31-0AA0?
This breaker is built on the Siemens 3VA51 frame architecture, which has a maximum capacity of 125A, while this specific model is configured for a 90A continuous current.
What does the 0AA0 suffix mean in the 3VA5190-5EC31-0AA0 catalog number?
The 0AA0 suffix indicates that this is a standard configuration breaker. It does not include factory-installed internal accessories like auxiliary switches, alarm contacts, or shunt trips.
Can the 3VA5190-5EC31-0AA0 be reverse fed?
Yes, Siemens 3VA5 thermal-magnetic circuit breakers are UL listed for reverse feed applications, allowing line power to be connected to either the top or bottom terminals.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.