Schneider Electric BDA140253 1 Pole Circuit Breaker
The Schneider Electric BDA140253 is a 1 Pole thermal magnetic molded case circuit breaker with a current rating of 25 Amps and a voltage rating of 480Y/277VAC. It has an interrupting rating of 25kAIC at 240VAC. The BDA140253 has an I-Line mounting type and includes long time and instantaneous trip functions.
What legacy circuit breakers does the PowerPacT BDA140253 replace?
The PowerPacT B-frame series is designed to replace legacy Square D FA and FH series molded case circuit breakers. It maintains the same mounting space dimensions, making it a direct retrofit for existing I-Line panelboards.
Which phase is this 1-pole breaker configured for?
This specific I-Line circuit breaker is configured for a B-phase connection, as indicated by the number 3 at the end of the catalog number.
Which panelboards are compatible with the BDA140253 circuit breaker?
This breaker features an I-Line style plug-in connection, making it compatible with Square D I-Line panelboards and switchboards designed to accept B-frame breakers.
What wire sizes and materials are compatible with the lugs on this breaker?
The factory lugs accept wire gauges from 14 AWG up to 2/0 AWG and are rated for use with both aluminum and copper conductors.
Can the BDA140253 be loaded to its full 25-amp rating continuously?
Per the National Electrical Code (NEC), standard circuit breakers like this one are rated for 80 percent continuous loading. Continuous loads should not exceed 20 amps unless the specific enclosure and assembly are rated for 100 percent continuous operation.
How does the trip mechanism function on this breaker?
It utilizes a fixed thermal-magnetic trip unit. This contains individual thermal elements for long-time overload protection and magnetic elements for instantaneous short-circuit protection.
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