Operating at up to 277VAC, the Siemens 3VA5140-6ED11-0AA0 is a single-pole, 40A molded case circuit breaker built for commercial and industrial applications. It features a Class H breaking capacity, safely interrupting faults up to 50kA at 277V. This unit installs into modern Siemens 3VA panelboards and switchboards. It is also the official cross-reference replacement for legacy HED41B040 breakers, allowing facilities to maintain code compliance. It utilizes a fixed thermal-magnetic trip.
Is the Siemens 3VA5140-6ED11-0AA0 circuit breaker HACR rated?
Yes, this 3VA5 molded case circuit breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
Can this 40A Siemens breaker be used in DC applications?
Yes, the 3VA5140-6ED11-0AA0 is rated for up to 125VDC with a 50kA interrupting capacity, allowing it to be deployed in direct current control circuits or battery systems.
What type of enclosures or panels is the 3VA5140-6ED11-0AA0 compatible with?
This 1-pole breaker is designed for use in Siemens 3VA panelboards and switchboards.
Can I adjust the trip settings on the 3VA5140-6ED11-0AA0?
No, this breaker features a thermal-magnetic trip unit with fixed thermal (long-time) and fixed magnetic (instantaneous) settings, meaning the 40A overload and short-circuit thresholds cannot be modified in the field.
What does the 6 in the catalog number 3VA5140-6ED11-0AA0 signify?
In Siemens 3VA nomenclature, the 6 indicates it is a Class H high-interrupting breaker, delivering up to 100kAIC at 120VAC and 50kAIC at 277VAC.
What frame size does the 3VA5140-6ED11-0AA0 belong to?
It belongs to the Siemens 3VA51 frame size, which supports amperages up to 125A, though this specific unit is factory-set for 40A.
What protective functions does the 3VA5140-6ED11-0AA0 provide?
It provides LI (Long-Time and Instantaneous) protection, safeguarding electrical circuits against both sustained overloads and high-fault short circuits.
What is the instantaneous short-circuit trip setting for the 3VA5140-6ED11-0AA0?
The magnetic trip is permanently fixed at 10 times the continuous current rating, which equals 400A for this 40A breaker.
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Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.