Delivering reliable 3-phase protection, the Siemens 3VA5170-5ED31-0AA0 is a 3-pole, 70A molded case circuit breaker. Part of the Sentron 3VA5 series, it is engineered for demanding industrial power networks. This breaker integrates into Siemens 3VA switchboards, as well as P1 and P2 panelboards via adapters. It is an ideal replacement for older ED43B070 breakers when upgrading legacy infrastructure.
Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Handle Padlock Attachment, DIN Rail Adapter, Lug Kits
Accessories
None (Without Connection)
Standards
CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval
ABS, CCC, CE, CSA, DNV, EAC, Lloyd's, UL, VDE
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Reverse Feed
Product FAQs
5 answers
Does the 3VA5170-5ED31-0AA0 come with terminal lugs included?
No, the -0AA0 catalog suffix indicates this breaker is supplied without lugs. You will need to source the appropriate lug kits separately based on your specific wire size and material requirements.
Can the 3VA5170-5ED31-0AA0 replace older Siemens ED frame breakers?
Yes, the 3VA51 series is the modernized replacement for legacy ED frame circuit breakers, such as the ED43B070. It provides the same 70A rating but may require different mounting hardware or adapters depending on your existing panelboard.
Is the 3VA5170-5ED31-0AA0 suitable for reverse feed applications?
Yes, this thermal-magnetic breaker features a non-removable trip unit and is suitable for reverse feeding in accordance with UL 489 standards.
Which specific trip unit is installed in the 3VA5170-5ED31-0AA0?
This breaker is equipped with the Siemens TM210 trip unit. It is a thermal-magnetic unit with fixed continuous current and fixed instantaneous short-circuit settings.
What does the 5 in the 5ED31 portion of the catalog number signify?
The 5 indicates that this breaker has a Class M medium breaking capacity. For the 3VA51 frame, this corresponds to its 35kA interrupting rating at 480VAC.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.