The Square D QO Shunt Breaker is a 40 Amp bolt-on circuit breaker designed for instantaneous break time and on/off operation. It is a miniature circuit breaker with a maximum amperage of 40 amps, suitable for AC current type. The control style is a switch design, perfect for three-phase systems. With a never-used status, this breaker is reliable and efficient for industrial and commercial electrical setups.
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