Built to handle up to 600VAC, this 15A thermal-magnetic breaker delivers dependable power distribution for industrial facilities. The robust F-frame construction ensures long-lasting durability. Designed specifically for Square D I-Line panelboards, the bolt-on mounting style provides a stable connection. Facility managers can cross-reference this unit with the BDA36015 replacement. With a 14kAIC rating at 600VAC, it safely clears faults and features a Visi-Trip indicator.
What panelboards are compatible with the FAB36015?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It utilizes the I-Line bus system and cannot be installed in standard NQ or NF panels.
How does the I-Line mounting system work for this breaker?
The FAB36015 features an I-Line mounting style, which plugs directly onto the panelboard bus assembly on the line side and secures to the backpan with a mounting bracket.
What is the modern replacement for the legacy FAB36015?
The FAB series is a legacy F-frame breaker. Facility managers and panel builders can cross-reference this unit with the modern PowerPact B-frame equivalent, catalog number BDA36015, for I-Line applications.
Can this breaker be used in direct current systems?
Yes, the FAB36015 is rated for up to 250VDC with a 10kA interrupting capacity, making it suitable for specific DC power distribution applications.
What wire sizes are accepted by the lugs on this breaker?
The factory-installed lugs accept wire sizes ranging from 14 AWG to 4 AWG. Ensure you torque the connections to the manufacturer specifications printed on the breaker faceplate.
What type of trip unit does the FAB36015 use?
It is equipped with a non-interchangeable thermal-magnetic trip unit featuring fixed long-time and instantaneous trip functions. The trip settings cannot be adjusted in the field.
Can I use this breaker in a standard QO or Homeline load center?
No, the FAB36015 is an industrial F-frame molded case circuit breaker built specifically for I-Line panelboards. It will not fit in residential QO or Homeline load centers.
Is this breaker suitable for single-phase applications?
The FAB36015 is a 3-pole breaker designed for 3-phase systems. While 3-pole breakers can sometimes be applied in single-phase systems by leaving one pole unused, you must verify compliance with local electrical codes and the specific panelboard configuration.
Does this breaker provide ground fault or arc fault protection?
No, this is a standard thermal-magnetic breaker designed strictly for overload and short-circuit protection. It does not include GFCI or AFCI safety circuitry.
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