Engineered for reliable commercial and industrial power distribution, this 70-amp Sentron 3VA5 molded case circuit breaker provides essential line protection. It mounts into Siemens panelboards and switchboards, offering a seamless upgrade path for legacy HFD63B070 units. The breaker features a TM210 fixed thermal and fixed magnetic trip unit for straightforward, tamper-proof operation. It carries a Class H interrupting rating of 65 kAIC at 480VAC to handle demanding fault currents.
Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment, Lug Kits, DIN Rail Adapter
Accessories
Lugs Not Included
Standards
IEC 60947-2, UL 489
Approval
ABS, CCC, CE, CSA, EAC, RCM, UL, VDE
Temp Rating
-25C to 70C
Construction Features
Class H Breaking Capacity, HACR Rated, Current Limiting, Non-Interchangeable Trip, Trip-Free Mechanism, Quick-Make/Quick-Break
Product FAQs
8 answers
What frame size does the 3VA5270-6ED31-0AA0 belong to?
This 70A circuit breaker is built on the Siemens 3VA52 frame, which is a 250A maximum frame size within the SENTRON 3VA molded case circuit breaker family.
What type of trip unit is installed in the 3VA5270-6ED31-0AA0?
It features a TM210 thermal-magnetic trip unit with fixed thermal (overload) and fixed magnetic (short-circuit) protection settings.
What is the instantaneous magnetic trip setting for this 70A breaker?
The TM210 trip unit in this breaker has a fixed short-circuit protection setting of 10 times the continuous current rating, which equals 700A.
What equipment is the 3VA5270-6ED31-0AA0 designed to be installed in?
This panel-mount breaker is designed for use within compatible Siemens panelboards and switchboards.
What interrupting class does the 6 in the 3VA5270-6ED31-0AA0 catalog number represent?
The 6 indicates it is a Class H breaking capacity circuit breaker, providing a 65kA interrupting rating at 480VAC.
Can the Siemens 3VA5270-6ED31-0AA0 be reverse fed?
Yes, all Siemens 3VA5 thermal-magnetic molded case circuit breakers are UL listed for reverse feed applications.
Can the 3VA5270-6ED31-0AA0 be used to upgrade older Siemens breakers?
Yes, the 3VA5 series offers a seamless upgrade path for legacy Siemens breakers of similar frame sizes, such as the HFD63B070, in commercial and industrial power distribution systems.
Does this breaker support field-installable internal accessories?
Yes, the 3VA5 series supports a range of field-installable internal accessories, including shunt trips, auxiliary switches, and alarm switches, which mount directly into the accessory pockets of the 3-pole breaker.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.