Built for demanding industrial environments, the BDA160401 is a 1-pole, 40A molded case circuit breaker featuring a Phase A connection. It seamlessly integrates into Square D I-Line panelboards and switchboards, offering a modern, current-limiting replacement for older FA14040 breakers. This PowerPact B-Frame unit delivers reliable long-time and instantaneous (LI) protection with a 25kAIC rating at 240VAC. Equipped with a visual trip indicator and HACR rating for HVAC applications.
CSA C22.2 No. 5, EN/IEC 60947-2, GB 14048.2, NEMA AB 1, NMX J-266, UL 489
Approval
CCC, CE, CSA, EAC, IEC, NOM, UL
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Current Limiting, Visual Trip Indicator, Phase Connection A
Product FAQs
6 answers
Which panelboards are compatible with the BDA160401 circuit breaker?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It utilizes the I-Line plug-on mounting system to connect directly to the bus stack.
What are the acceptable wire sizes for the terminals on this breaker?
The factory-installed lugs accept wire gauges from 14 AWG up to 2/0 AWG. The terminals are rated for both aluminum and copper conductors.
Is the BDA160401 suitable for direct current (DC) applications?
Yes, this breaker is rated for use in DC systems up to 125VDC, where it provides an interrupting capacity of 10kA.
What does the D signify in the BDA160401 catalog number?
In the Square D PowerPacT B-Frame nomenclature, the D indicates the interrupting rating tier. For this model, it signifies an 18kA interrupting capacity at 480Y/277VAC and 14kA at 600Y/347VAC.
Can I adjust the trip settings on the BDA160401?
No, this specific PowerPacT B-Frame breaker features fixed thermal and fixed magnetic trip elements. The long-time and instantaneous trip functions cannot be field-adjusted.
How does the I-Line mounting style benefit panel builders?
The I-Line plug-in design allows the breaker to snap directly onto the panelboard bus stack without the need for additional mounting hardware or wire connections to the bus. This significantly reduces installation time and ensures a secure connection.
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