Disconnect Boxes

Disconnect Boxes
Electrical Disconnect Boxes. Solar system electrical disconnects (a/k/a disconnect boxes)? Love em. Gotta have em. In fact, the National Electric Code (NEC), section 690.15, requires arrays to have a disconnecting means to isolate the inverter from the PV power source. Utility grid-tie inverters that utilize PV arrays with voltages above 250VDC require disconnect boxes rated for 600VDC to perform this function. Most utilities also require an AC disconnect between a grid-tie inverter and the AC load center (close to the AC service entrance, with a visible/lockable handle). 30A 240V Electrical disconnect boxes are good for up to 5kW at 240VAC, 60A are good for up to 11kW.

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Square-D HU361RB 30A
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Square D H362RB 60A, 600V, 3P, Fusible, NEMA 3R
Regular Price $348.45
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Square D HU362RB 60A, 600V, 3P Non Fusible, NEMA3R
Regular Price $305.00
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