Surge Protection for Residential PV

OVERVIEW

For low power PV applications, i.e. residences and small offices, it is necessary to consider surge protecting the AC output of the Inverter that connects directly into the electric power grid as well as the DC input side of the Inverter fed by the PV modules.

PV NETWORK

AC NETWORK

DS73US-120T/G

UL TYPE 1 SPD - Imax 75kA - In 20/30kA - Modular Assembly

AC NETWORK

Location	System	Surge Protector Model #	Link
Home AC Entrance / Breaker Panels	1500Vdc	M50-120T-A
DC Input	1500Vdc	DS50PVS-1500/51
AC Output	277/480Vac	DAC104US-277Y
Power Supply AC Input	120Vac	DS240S-120/G
Power Supply DC Output	24Vdc	DS220S-24DC
Ethernet Communication	Ethernet	MJ8-C6A

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Surge Protection for PV Installations