Engineered for commercial and industrial applications, the 3VA5225-7EC31-0AA0 delivers robust circuit protection with a 100 kAIC rating at 480VAC. This 3-pole, 250-amp MCCB utilizes a TM230 thermal-magnetic trip unit, offering fixed long-time and adjustable instantaneous (LI) protection. It installs into Siemens P1, P2, and P3 panelboards using the appropriate strap kit, as well as compatible switchboards. This model serves as a modernized replacement for legacy HHFD63B250 breakers.
Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator
Accessories
None (Nut Keeper Included)
Standards
IEC 60947-2, UL 489, HACR
Approval
ABS, CE, CSA, EAC, IEC, UL, VDE
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Current Limiting
Product FAQs
6 answers
Does the 3VA5225-7EC31-0AA0 come with lugs?
No. The -0AA0 suffix indicates this breaker is supplied without connection lugs. Lugs must be purchased separately based on your specific wire size and material requirements.
What legacy Siemens breakers does the 3VA5225-7EC31-0AA0 replace?
This 3VA52 frame breaker serves as a modernized replacement for legacy Siemens FD-frame circuit breakers, such as the HHFD63B250, when paired with the correct mounting hardware.
Can the 3VA5225-7EC31-0AA0 be reverse fed?
Yes, this thermal-magnetic molded case circuit breaker is suitable for reverse feed applications, allowing for flexible installation orientation in your panel or switchboard.
How is the trip unit configured on this 250A breaker?
It features a thermal-magnetic trip unit with Long-Time and Instantaneous (LI) protection. The thermal overload protection is fixed at 250A, while the magnetic short-circuit protection is adjustable to coordinate with your system requirements.
What is required to install this breaker in a Siemens P1, P2, or P3 panelboard?
While it is natively compatible with Siemens 3VA panelboards, installing this breaker into legacy P1, P2, or P3 panelboards requires a specific strap kit to adapt the mounting and bus connections.
Is the 3VA5225-7EC31-0AA0 HACR rated?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.