HEPD25 Universal Go-To Whole House Surge Protector For 120/240V, 1-Phase 3-Wire, 25kA Surge Rating, Indoor Outdoor NEMA 4X, Easy Install, Green LED Status Indicator, CSA UL 1449 3rd Edition Certified

HEPD25 single-unit 25kA whole-house surge protector
✔️ 25kA surge rating, 120/240V, 1-Phase 3-Wire, NEMA 4X

The HEPD25 is a universal surge protector designed for residential load centers. It installs in main panels to shield circuits and connected appliances from voltage spikes. Suitable for indoor and outdoor use in 120/240V systems.

✅ 25,000 amp surge current rating and 25,000 amp SCCR
✅ NEMA 4X rated for indoor/outdoor use
✅ 1-phase 3-wire connection for 120/240V systems
✅ Green LED status indicator confirms protection
✅ CSA and UL 1449 3rd Edition Type 1 SPD
✅ Manufacturer warranty 3 years and 30,000 residential downline warranty

💡 What is a 120/240V whole-house surge protector used for in a home electrical system?

A handy device placed at the main service panel that clamps surges to protect circuits and devices.

- Protects refrigerators, HVAC, electronics, and other critical loads from voltage spikes
- Reduces wear and data loss from power transients
- Easy install in most 120/240V residential panels and matches standard protection devices