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Whole house surge protectors safeguard your entire electrical system by diverting damaging voltage spikes away from circuits and sensitive electronics. Installed at the main service panel, a panel-mounted surge protection device (SPD) helps shield appliances, HVAC equipment, smart home hubs, computers, home theaters, EV chargers, and LED lighting from surges caused by lightning, utility switching, and large motor loads. The result is fewer breakdowns, longer equipment life, and peace of mind for every outlet in your home.
Choosing the right home surge protection is straightforward. Look for UL 1449 (4th Edition) listing, Type 1 or Type 2 ratings (many are dual-rated), and a high surge current capacity, commonly 50 kA to 200 kA per phase. Lower clamping voltage (VPR) means the SPD limits spikes more tightly, while fast response times and protection modes across L-N, L-G, N-G, and L-L improve coverage. A high SCCR, thermal fusing, and status LEDs or audible alarms add safety and easy maintenance. Outdoor-ready NEMA 4/4X enclosures suit exposed locations.
Installation is typically quick for a licensed electrician. Mount the unit near the breaker panel with short, straight leads, and verify bonding and grounding are up to code. Many homes benefit from a layered approach: a whole house surge protector at the panel plus point-of-use protectors for sensitive gear.
Compatibility options cover 120/240 V split-phase residences, small shops, and systems with generators, transfer switches, solar inverters, or home battery storage. Some models include replaceable modules, remote monitoring, or connected equipment warranties for added confidence.
Shop this category to compare panel-mounted surge protectors by kA rating, VPR, number of protected modes, enclosure type, and warranty. Reliable whole home surge protection reduces downtime, protects investments, and keeps your electronics running smoothly through everyday power events. Consider periodic inspection to confirm indicators show protection remains active and effective today.
