Whole Home Surge Protection — Overview

Square D™ Residential Surge Protective Devices help protect homes from damaging power surges. The portfolio includes whole-home HEPD surge protectors, Plug-on Neutral load center SPDs for fast, wire-free installation, and traditional load center SPDs for compatible QO™, Homeline™, and NQ electrical panels. Additional information and product selectors can be found online on the Residential SPDs Product Ranges.

Residential SPDs

Square D™ Whole Home Surge Protection blocks the voltage spikes at the load center, providing downstream protection for connected devices. These SPDs meet National Electrical Code® section 230, 215 and 225 code requirements.

Whole Home Surge Protective Devices

	QO2175SB	HOM2175SB	HEPD25	QO250PSPD	HOM250PSPD	HEPD50	HEPD80

Surge Current Capacity	25 kA			50 kA			80 kA
UL Nominal Discharge Current Rating	10 kA			20 kA		10 kA	20 kA
NEMA Enclosure Rating	Install in panel		NEMA 4X	Install in panel		NEMA 4X
Approximate Dimensions (in.)	3.7 x 1.5 x 2.6	3.7 x 2.0 x 2.6	2.7 x 3.7 x 2.1	4 x 1.5 x 2.6	4.0 x 2.0 x 2.6	3.2 x 3.7 x 2.1
Load Center Compatibility	QO Load Centers	Homeline Load Centers	Any brand load center	QO Plug on Neutral Load Centers Only	Homeline Plug on Neutral Load Centers Only	Any brand load center
Installation	Wiring required			Plug-on Neutral No wiring required		Wiring required
Status Indicator	LED	LED	LED	LED	LED	LED	LED
Optional Accessories	—	—	Flush Mounting Kit HEPD25MKF	—	—	Flush Mounting Kit HEPD58MKF
Pages	QO, NQ, and Homeline Load Center SPDs		HEPD SPDs	Plug-on Neutral SPDs		HEPD SPDs

Section 6: Surge Protective Devices (SPDs) and Easy UPS 3S

Section 6: Surge Protective Devices (SPDs) and Easy UPS 3S

Whole Home Surge Protection — Overview

Residential SPDs

Whole Home Surge Protective Devices