Bad Wolf SP240V50KA 120/240V Split-Phase Type 1 Whole House Surge Protector – 3-Wire, NEMA 4X Rated

Protect your home, workshop, or light commercial building from damaging electrical surges with confidence using the Bad Wolf SP240V50KA Whole House Surge Protector (SPD). Designed as a 3-wire Type 1 device, it operates at normal circuit voltages of 240 VAC (Line-to-Line) and 120 VAC (Line-to-Ground), providing comprehensive protection for your entire split-phase electrical system.

Because overvoltage events can happen unexpectedly, whether from lightning strikes, utility switching, or transient power disturbances, the SP240V50KA reacts almost instantaneously to defend your sensitive equipment. Furthermore, its rugged NEMA 4X enclosure makes it suitable for both indoor and outdoor installation, ensuring reliable performance even in harsh environments.

In addition to dependable protection, this SPD offers peace of mind: it safeguards appliances, HVAC systems, and electronics, while its maintenance-free, tamper-resistant design preserves warranty integrity. Ultimately, the SP240V50KA combines advanced surge protection technology with durable construction, giving your home or building reliable defense against electrical surges.

Key Features & Benefits

⚡ High-Performance Surge Protection – Rated for circuits up to 50 kA per phase and 100,000 RMS symmetrical amperes, so you can rely on it to handle even the heaviest surge events without compromising your system’s safety.

🔌 3-Wire Split-Phase Design – Specifically optimized for 240 VAC L-L and 120 VAC L-G configurations, this design ensures complete coverage for your entire electrical system, protecting every corner of your home or building.

🏠 Whole-Home Protection – From sensitive electronics to major appliances and HVAC equipment, this surge protector defends all critical components, reducing the risk of costly damage caused by unexpected power spikes.

🧰 Maintenance-Free & Tamper-Resistant – With its fully sealed, non-serviceable design, the SP240V50KA eliminates the need for regular maintenance while preserving your warranty, giving you peace of mind.

💪 Built to Last – Housed in a rugged NEMA 4X enclosure, it withstands harsh indoor and outdoor conditions for long-term reliability.

🇺🇸 Proudly Made in the USA – Designed, tested, and built by a Service-Disabled Veteran-Owned manufacturer, this SPD delivers quality and performance you can trust.