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Square D QBA220701 circuit breaker ideal for limiting let-through currents and providing protection to downstream components in power distribution applications
I-Line style plug-in design for ensuring ease-of-installation and load-side lugs for accommodating 300 kcmil - 4 AWG copper / aluminium wires
Long-time and instantaneous current limiting functions for reacting against severe power surges at once while avoiding tripping on mild overloads
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