Engineered for heavy-duty commercial applications, the Siemens 3VA5325-7EF31-0AA0 delivers reliable 250A line protection. This 3-pole MCCB is built on the 3VA53 frame and utilizes an adjustable TM240 trip unit. It integrates seamlessly into Siemens 3VA, P4, and P5 panelboards with the appropriate kit. It also serves as a direct replacement for legacy HHJD63B250 breakers. Delivering 100kAIC at 480VAC, this current-limiting breaker is HACR rated and supports reverse feed applications.
Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle, Lug Kits, Busbar System
Accessories
None (No Lugs Included)
Standards
IEC 60947-2, UL 489, HACR
Approval
CE, CSA, EAC, UL, VDE
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism
Product FAQs
6 answers
Which Siemens panelboards accept the 3VA5325-7EF31-0AA0 circuit breaker?
This breaker is designed for direct installation in Siemens 3VA panelboards. It can also be installed in Siemens P4 and P5 panelboards or switchboards when paired with the appropriate 3VA-specific mounting strap kit.
What are the adjustable trip settings for the 3VA5325-7EF31-0AA0?
This breaker is equipped with a TM240 thermal-magnetic trip unit. The continuous current (thermal) is adjustable from 175A to 250A, and the instantaneous short-circuit (magnetic) pickup is adjustable from 1250A to 2500A.
What frame size does the 3VA5325-7EF31-0AA0 utilize?
It is built on the Siemens 3VA53 frame. While this specific unit has a maximum continuous current rating of 250A, the 3VA53 frame size supports breakers up to 400A.
Can the 3VA5325-7EF31-0AA0 be used to replace older Siemens JD-frame breakers?
Yes, the 3VA53 series serves as the modern replacement for legacy Siemens JD-frame breakers. If you are retrofitting this breaker into an existing P4 or P5 panelboard, you will need to replace the legacy JD strap kit with a new strap kit designed for the 3VA frame.
Is the 3VA5325-7EF31-0AA0 UL listed for reverse feed applications?
Yes, Siemens 3VA5 thermal-magnetic circuit breakers are UL listed for reverse feeding, allowing line power to be connected to either the top or bottom terminals.
How is the 3VA5325-7EF31-0AA0 rated for DC voltage systems?
This breaker is rated for use on direct current systems up to 500VDC with a 100kA interrupting capacity. For 500VDC applications, the power supply must be routed in series through all three poles to ensure voltage is uniformly distributed across the breaker terminals.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.