A drop-in solution for aging infrastructure, the Siemens F2B015 delivers 15A of thermal-magnetic protection for commercial and industrial facilities. It utilizes a fixed trip unit with standard long-time and instantaneous (LI) functions to safeguard critical circuits. Designed for unit mounting, it fits perfectly into legacy ITE E-Frame, Siemens Sentron, and P2/P3 panelboards. Facilities looking for the modern equivalent can cross-reference this unit with the ED42B015 replacement.
Which panelboards are compatible with the F2B015 breaker?
This breaker is designed for use in legacy ITE E-Frame panelboards, as well as Siemens Sentron and Siemens P2 or P3 panelboards.
What wire sizes are accepted by the terminals on this breaker?
The factory lugs accept wire gauges from 14 AWG up to 1/0 AWG. The terminals are rated for both copper and aluminum conductors.
Is the F2B015 suitable for direct current applications?
Yes, this breaker is rated for use in DC circuits up to 250VDC, providing a 10kA interrupting capacity for those applications.
Can the trip settings on the F2B015 be adjusted in the field?
No. This thermal-magnetic breaker features fixed long-time and fixed instantaneous trip functions. It does not have adjustable dials for the trip curve.
How is this breaker installed into the panel?
This is a unit mount, bolt-on circuit breaker. It requires bolted connections to the panelboard bus rather than a plug-in or snap-in mounting method.
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