Internal-mount surge protective devices (SPDs) install inside an electrical panel and are used to detect and limit power surges that can damage equipment. They save space, so no outside wall space is required for wall mounting. These SPDs can protect specific lines and equipment, equipment fed from the panelboard location, or the whole panel.
Number of Wires
Square D QO, HOM, I-Line and NQ Internal Panel-Mount SPDs
These SPDs install in Square D QO, HOM, I-Line, and NQ panelboards and load centers and are used for residential and light commercial applications. These SPDs detect and limit power surges to protect equipment from damage.
For HOM Load Centers
Square D QO, HOM, I-Line and NQ Internal Panel-Mount SPDs For HOM Load Centers, sorted by Voltage, ascending
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For I-Line Panelboards
Square D QO, HOM, I-Line and NQ Internal Panel-Mount SPDs For I-Line Panelboards, sorted by Voltage, ascending
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For QO Load Centers
Square D QO, HOM, I-Line and NQ Internal Panel-Mount SPDs For QO Load Centers, sorted by Voltage, ascending
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DIN Rail Internal-Mount SPDs
These SPDs install on DIN rails in an electrical panel and are used for control panels, factory automation installation, programmable logic controllers, and other industrial applications. These SPDs detect and limit power surges caused by lightning or turning on machinery to protect equipment from damage.
Number of Poles: 1; Single Phase
DIN Rail Internal-Mount SPDs Number of Poles: 1; Single Phase, sorted by Voltage, ascending
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Number of Poles: 2; Single Phase
DIN Rail Internal-Mount SPDs Number of Poles: 2; Single Phase, sorted by Voltage, ascending
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Number of Poles: 2; Two Phase
DIN Rail Internal-Mount SPDs Number of Poles: 2; Two Phase, sorted by Voltage, ascending
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Number of Poles: 3; Single Phase
DIN Rail Internal-Mount SPDs Number of Poles: 3; Single Phase, sorted by Voltage, ascending
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Number of Poles: 3; Three Phase
DIN Rail Internal-Mount SPDs Number of Poles: 3; Three Phase, sorted by Voltage, ascending
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Number of Poles: 4; Three Phase
DIN Rail Internal-Mount SPDs Number of Poles: 4; Three Phase, sorted by Voltage, ascending
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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.