Schneider Electric BGA160255 1 Pole Circuit Breaker
The Schneider Electric BGA160255 is a 1 Pole thermal magnetic molded case circuit breaker with a current rating of 25 Amps and a voltage rating of 600Y/347VAC. It has an interrupting rating of 65kAIC at 240VAC. The BGA160255 has an I-Line mounting type and includes long time and instantaneous trip functions.
Which phase does the BGA160255 1-pole breaker connect to in an I-Line panelboard?
The "5" suffix in the BGA160255 catalog number indicates it is configured to connect to the C phase of the I-Line bus. For A phase connections, the suffix is 1, and for B phase, the suffix is 3.
Can I install the BGA160255 in a standard Square D QO or Homeline load center?
No. This breaker features an I-Line style plug-in connection and is exclusively compatible with Square D I-Line panelboards and switchboards. It will not fit in standard residential load centers or unit-mount enclosures.
What does the 600Y/347VAC voltage rating mean for system compatibility?
A slash voltage rating indicates the breaker can only be applied in solidly grounded wye systems where the line-to-line voltage does not exceed 600V and the line-to-ground voltage does not exceed 347V. It is not suitable for ungrounded or corner-grounded delta electrical systems.
Can the BGA160255 be loaded continuously to 25 amps?
No. Standard PowerPacT B-frame circuit breakers are rated for continuous operation at 80 percent of their marked amperage per National Electrical Code (NEC) guidelines. The maximum continuous load for this 25A breaker is 20 amps.
What legacy Square D circuit breakers does the PowerPacT B-frame replace?
The PowerPacT B-frame series, including the BGA160255, replaces legacy Square D FA and FH series molded case circuit breakers in I-Line panelboards. It maintains the same mounting space dimensions to allow for direct retrofits.
How is the BGA160255 secured to the I-Line panelboard bus?
The breaker features an I-Line plug-on connection. Installation involves aligning the mounting bracket with the teardrop slots in the panel pan, using a flat screwdriver with the racking ladder mechanism to engage the bus jaws, and tightening the retaining screw to secure it.
What type of protection does the thermal-magnetic trip unit provide?
The fixed thermal-magnetic trip unit contains individual sensing elements in the pole. It provides thermal protection for long-time overloads and magnetic protection for instantaneous short circuits.
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