Part of the legacy Q2 series, this 110-amp molded case circuit breaker delivers robust overcurrent protection for commercial and industrial electrical systems. It features fixed long-time and instantaneous trip functions. Designed specifically for Square D I-Line panelboards, the unit utilizes a plug-on phase connection for efficient installation. It serves as an exact match for older setups, though it has been superseded by the QBA32110.
What panelboards are compatible with the Square D Q232110?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection for ABC phase configurations, allowing for efficient installation.
What is the modern replacement for the legacy Q232110 circuit breaker?
The Q232110 is a legacy Q2-series breaker that has been superseded by the PowerPact Q-frame series. The direct modern replacement is the QBA32110, which matches the 110A, 3-pole, 10kAIC rating and I-Line mounting.
What wire sizes and conductor materials are accepted by the Q232110 terminals?
The terminal lugs accept wire gauges ranging from 4 AWG to 300 kcmil. They are rated for use with both aluminum and copper conductors.
How does the thermal-magnetic trip unit on the Q232110 operate?
The breaker features a fixed thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions. The thermal component responds to sustained overloads, while the magnetic component reacts immediately to short-circuit faults.
What are the physical dimensions of the Q232110 Q-frame breaker?
The breaker measures approximately 7.88 inches high, 4.5 inches wide, and 4.31 inches deep. These dimensions are critical when verifying fitment in older I-Line distribution equipment.
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Review summary
Customers rate this product 5.0 out of 5 based on 7 reviews.