Part of the Sentron family, this 110A, 3-pole molded case circuit breaker is engineered for commercial applications. It features a fixed thermal-magnetic trip unit with LI protection. The bolt-on design mounts into Siemens P1, P2, and P3 panelboards. For modern upgrades, this NEB frame is replaced by the 3VA4111-6ED34-0AA0, which requires a 3VA41 mounting kit. Rated 35kA at 480V, it handles demanding fault currents. The unit is HACR rated and includes load side lugs for 6-3/0 AWG wire.
Which Siemens panelboards are compatible with the NEB3B110B?
This bolt-on circuit breaker is designed for use in Siemens P1, P2, and P3 series panelboards.
Can I install this breaker in a standard residential load center?
No, this is a bolt-on molded case circuit breaker intended for commercial and industrial panelboards. It will not fit into standard plug-on residential load centers.
Does the NEB3B110B include an adjustable trip unit?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous settings cannot be adjusted in the field.
Can the NEB3B110B be utilized in direct current (DC) systems?
Yes, this breaker is rated for DC applications and provides a 35kA interrupting capacity at 250VDC.
Does this breaker offer equipment ground fault protection?
No, the NEB3B110B features an LI (Long-Time and Instantaneous) trip function. It does not include built-in ground fault protection.
What frame family does the NEB3B110B belong to?
It is part of the Siemens SENTRON series, specifically the NEB/HEB frame group.
How does this breaker connect to the panelboard bus?
The NEB3B110B utilizes a bolt-on connection to securely attach to the panelboard bus.
What does the LI trip function indicate on this breaker?
The LI designation means the trip unit provides Long-Time overload protection and Instantaneous short-circuit protection.
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Review summary
Customers rate this product 5.0 out of 5 based on 3 reviews.