Built for heavy-duty applications, the Square D QJA32200 provides reliable overcurrent protection in a 3-pole, 200A configuration. It utilizes thermal-magnetic trip technology to deliver precise long-time and instantaneous defense. Designed for quick installation, it mounts into Square D I-Line panelboards and switchboards. This model effectively replaces the discontinued Q23200. With a high interrupting capacity of 100kAIC at 240VAC, this PowerPacT MCCB ensures superior safety.
What type of panelboards is the QJA32200 compatible with?
It is designed exclusively for use in Square D I-Line panelboards and switchboards. It will not fit standard QO, NQ, or Homeline load centers.
How does the I-Line connection work on this breaker?
The QJA32200 features an I-Line style plug-in connection on the line side, which mounts directly onto the panelboard bus stack, and uses mechanical lugs on the load side for wire connections.
What wire sizes are accepted by the load side lugs?
The load side lugs accept aluminum or copper (Al/Cu) conductors ranging from 4 AWG to 300 kcmil.
What does the 100kAIC rating mean for the QJA32200?
The 100kAIC rating indicates the breaker can safely interrupt up to 100,000 amps of fault current at 240VAC. This high interrupting capacity makes it suitable for commercial and industrial systems with significant available fault currents.
What is the difference between the QJA32200, QGA32200, and QDA32200?
The primary difference is the interrupting capacity at 240VAC. The QDA32200 is rated for 25kAIC, the QGA32200 for 65kAIC, and the QJA32200 offers the highest rating at 100kAIC. All three are PowerPacT Q-Frame breakers and share the same physical dimensions and I-Line mounting.
What type of trip unit does this breaker use?
It uses a fixed thermal-magnetic trip unit. The thermal component provides long-time (L) protection against overloads, while the magnetic component provides instantaneous (I) protection against short circuits.
Can this breaker be used on a 480V system?
No, the QJA32200 has a maximum voltage rating of 240VAC. It is suitable for 120V, 208V, and 240V AC systems, but cannot be safely used in 277V or 480V applications.
Is this a PowerPacT series breaker?
Yes, the QJA32200 is part of the Square D PowerPacT Q-Frame family of molded case circuit breakers.
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