Built for commercial and industrial power distribution, the Siemens 3VA5325-6EC31-0AA0 is a 3-pole, 250A molded case circuit breaker. It belongs to the SENTRON 3VA5 frame family, providing robust line protection. This panel mount MCCB installs into Siemens 3VA panelboards and switchboards. With a retrofit kit, it serves as an exact upgrade for discontinued JXD63B250 breakers.
Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle, Lug Kits, Busbar System
Accessories
None (Nut Keeper)
Standards
IEC 60947-2, UL 489, HACR
Approval
CCC, 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
8 answers
What panelboards are compatible with the 3VA5325-6EC31-0AA0 circuit breaker?
This breaker is designed for use in Siemens 3VA panelboards and switchboards. It can also be installed in legacy Siemens P4 and P5 panelboards when using the appropriate mounting kit.
Does this breaker come with mounting lugs included?
No. While configured for lug connections, the 3VA5325-6EC31-0AA0 is supplied with nut keepers only. You will need to purchase the correct lug kit separately based on your required wire size and conductor material.
What is the frame size of this 250A circuit breaker?
This breaker is built on the Siemens 3VA53 frame, which is a 400A frame size, but it is factory-configured with a fixed 250A thermal trip rating.
How does the TM230 trip unit operate on this breaker?
The TM230 is a thermal-magnetic trip unit featuring a fixed thermal overload (Ir) set at 250A and an adjustable magnetic short-circuit response (Ii). The instantaneous pickup can be adjusted between 5 and 10 times the continuous current rating.
Can I use this breaker to replace an older Siemens JXD63B250?
Yes, the 3VA5325-6EC31-0AA0 serves as a direct upgrade for discontinued JXD63B250 breakers, provided you use the correct retrofit mounting kit for your specific panel or enclosure.
Is this breaker suitable for direct current (DC) applications?
Yes, in addition to its AC ratings, this breaker is rated for up to 500V DC with an interrupting capacity of 85kA, making it suitable for various industrial DC systems.
Is the 3VA5325-6EC31-0AA0 HACR rated?
Yes, this breaker carries an HACR rating, meaning it is certified for use with heating, air conditioning, and refrigeration equipment.
Can this breaker be reverse fed?
Yes, the Siemens 3VA5325-6EC31-0AA0 is suitable for reverse feed applications, allowing flexibility in how the line and load connections are wired.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.