SP240V225KA — 225kA Whole House Surge Protector with EMP Protection for 120/240V Split-Phase

Protect your electrical service, panel, and connected equipment with the SP240V225KA, a high-capacity 225kA whole house surge protector designed for 120/240V split-phase systems. This Type 1 surge protective device (SPD) is built for demanding residential, commercial, agricultural, and off-grid applications where stronger surge protection is needed.

The SP240V225KA is Intertek ETL Listed to UL 1449 (5th Edition), Certified to CSA C22.2 No. 269.1 & 269.2, and tested to FCC 47 CFR Part 15: 2024 and ICES-003: 2020. Built with Bad Wolf’s exclusive Overwatch protection circuitry, this model is designed to help protect against damaging transient overvoltage events caused by lightning, utility switching, and electromagnetic surge conditions such as EMP, CME, and solar flare-related disturbances.

With 225kA surge current capacity, 100kA SCCR, 6 modes of protection, and a NEMA 4X / IP67 enclosure, the SP240V225KA is built for robust whole house and service panel surge protection in both indoor and outdoor installations.

Key Features

• 225kA surge current rating

• Type 1 SPD

• Designed for 120/240V AC split-phase systems

• Intertek ETL Listed to UL 1449 (5th Edition)

• Certified to CSA C22.2 No. 269.1 & 269.2

• Tested to FCC 47 CFR Part 15: 2024 and ICES-003: 2020

• Helps protect against lightning, utility switching surges, EMP, CME, and solar flare-related disturbances

• 6 protection modes

• 100kA SCCR

• NEMA 4X, IP67 enclosure

• Indoor / outdoor capable

• Exclusive Overwatch Protection Circuitry

• Fast surge response

• LED status indicator system

• 36 inches of 10 AWG wire

• 5 year warranty

Technical Specifications

Model Number: SP240V225KA
Product Type: Whole House Surge Protector / Type 1 SPD
System Voltage: 120/240 VAC
Frequency: 50/60 Hz
System Type: Split-Phase
Nominal Surge Current Rating: 225kA
SCCR: 100kA
MCOV: 300V L-L, 150V L-G
VPR: 1000V L-L, 500V L-G
Protection Modes: L1-L2, L1-N, L2-N, L1-G, L2-G, N-G
Enclosure Rating: NEMA 4X, IP67
Flammability Rating: V-0
Lead Length: 36 inches
Wire Size: 10 AWG
Status Indicator: LED
Installation Type: Type 1 SPD
Breaker Requirement for Type 2 Installation: Requires 20A double pole circuit breaker (not included)

Listings, Certifications, and Testing

• Intertek ETL Listed to UL 1449 (5th Edition)

• Certified to CSA C22.2 No. 269.1 & 269.2

• Tested to FCC 47 CFR Part 15: 2024

• Tested to ICES-003: 2020

Applications

The SP240V225KA is ideal for helping protect:

• Residential electrical panels

• Whole house electrical systems

• HVAC systems

• Appliances

• Smart home devices

• Electronics

• Agricultural systems

• Commercial electrical systems

• Backup power systems

• Off-grid and solar-related applications

What This Surge Protector Helps Protect Against

The SP240V225KA is built to help protect against transient surge events including:

• Lightning-induced surges

• Utility grid switching surges

• Power disturbances

• Electromagnetic surge conditions such as EMP

• CME and solar flare-related disturbances

• Similar high-energy transient events

Why Choose the SP240V225KA

The SP240V225KA is designed for customers who need a more powerful whole house surge protector with a strong combination of surge capacity, safety compliance, and environmental durability. Its 225kA rating, ETL listing, CSA certification, FCC and ICES testing, and protection against EMP-like electromagnetic surge events make it a strong choice for demanding applications.

Installation Notes

Install the SP240V225KA in accordance with all applicable electrical codes and installation instructions.

• Designed for 120/240V split-phase systems

• Suitable for indoor or outdoor installation when installed correctly

• Keep lead lengths as short and straight as possible for best performance

• If installing as a Type 2 SPD, a 20A double pole circuit breaker is required and is not included