The Siemens 3VA5190-6ED31-0AA0 provides dependable 3-phase line protection with its 90A rating and thermal-magnetic trip technology. Built on the compact 125A 3VA5 frame, it utilizes fixed thermal and magnetic settings to deliver long-time and instantaneous (LI) defense. This breaker mounts into Siemens 3VA panelboards and switchboards, making it ideal for commercial distribution. With a retrofit kit, it can also replace legacy HED43B090 breakers in older installations.
Which panelboards are compatible with the 3VA5190-6ED31-0AA0 breaker?
This breaker is designed for use in Siemens 3VA panelboards and switchboards. It mounts directly to the panel chassis using a feed-thru connection.
Can this Siemens 3VA5 breaker be used in DC applications?
Yes, it is rated for up to 500VDC with an interrupting capacity of 100kA. When installing in DC systems, ensure proper pole wiring as specified by Siemens guidelines for thermal magnetic trip units.
Are the trip settings adjustable on the 3VA5190-6ED31-0AA0?
No, this specific model features a fixed thermal and fixed magnetic trip unit. If you require adjustable trip settings, you will need to look at the Siemens 3VA6 series with electronic trip units.
What type of terminals does this 90A breaker use?
It utilizes standard lug terminals for feed-thru wiring. Verify the wire gauge compatibility and torque specifications in the Siemens 3VA instruction manual before terminating the conductors.
What is the short-circuit interrupting rating for 480V systems?
It provides a 65kA interrupting rating at 480VAC and 480Y/277VAC. This high interrupting capacity makes it suitable for commercial and industrial switchboards requiring robust fault protection.
What frame size is the 3VA5190-6ED31-0AA0?
It belongs to the Siemens 3VA51 frame size, which covers ratings up to 125A. This is part of the broader SENTRON 3VA molded case circuit breaker family.
Does the 3VA5190-6ED31-0AA0 use an electronic or thermal-magnetic trip unit?
It uses a thermal-magnetic trip unit with fixed thermal and fixed magnetic settings. For applications requiring electronic trip units, you must select a breaker from the Siemens 3VA6 series.
Can I add auxiliary contacts or shunt trips to this breaker?
Yes, the Siemens 3VA5 series features a modular design that accepts internal accessories like auxiliary switches, alarm contacts, and shunt trips. These are installed in the accessory pockets under the front cover.
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Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.