SP240V100KA-A Whole House Surge Protector – 120/240V Split Phase – 100kA – Panel Mount – Type 1 SPD
$159.00
The SP240V100KA-A is a Type 1 whole-house surge protector for compatible 120/240V split-phase electrical systems. It is designed to help protect residential and light commercial electrical panels from damaging voltage transients caused by lightning-related surges, utility switching, load switching, and other common surge events.
Key Features
- Whole-house surge protection for compatible 120/240V split-phase panels
- 100kA surge current capacity
- Type 1 SPD for service entrance or panel applications
- 6-mode protection: L1-L2, L1-N, L2-N, L1-G, L2-G, N-G
- NEMA 4X / IP67 enclosure for indoor or outdoor installation
- 36 inch 12 AWG leads for flexible mounting and clean wire routing
- Panel mount style with 1/2 inch cable gland for flush mounting or connection to a compatible conduit fitting
- Dual-status LED indicators: Green = protected / normal operation, Red = replace unit
SP240V100KA-A Whole House Surge Protector
The Bad Wolf SP240V100KA-A is a Type 1 whole-house surge protector designed for compatible 120/240V split-phase electrical systems. It is built to help protect residential and light commercial electrical panels from damaging voltage transients caused by lightning-related surges, utility switching, load switching, and other common surge events.
With a 100kA surge current capacity, 6-mode protection, and a rugged NEMA 4X / IP67 enclosure, the SP240V100KA-A provides strong panel-level surge protection in a compact, installer-friendly design.
Designed for Whole-House Panel Protection
The SP240V100KA-A is intended for installation at a main electrical panel, subpanel, disconnect, or other approved electrical equipment location. It helps reduce the risk of surge-related damage to connected equipment such as HVAC systems, appliances, electronics, controls, and other household electrical loads.
- Type 1 SPD for service entrance or panel applications
- Compatible with 120/240V split-phase systems
- 100kA surge current capacity
- 6-mode protection: L1-L2, L1-N, L2-N, L1-G, L2-G, N-G
- 100kA SCCR for high fault-current environments when properly applied
- 36 inch 12 AWG leads for flexible mounting and clean wire routing
- NEMA 4X / IP67 enclosure for indoor or outdoor installation
Panel Mount Style
The SP240V100KA-A features a panel mount style design with a 1/2 inch cable gland for flush mounting or connection to a compatible conduit fitting. This allows the surge protector to be mounted cleanly near the electrical panel or service equipment while keeping the wire routing short and organized.
Status Indicators
The SP240V100KA-A includes green and red LED status indicators for quick visual confirmation of protection status.
- Green LED ON: Protected / normal operation
- Red LED ON: Replace unit
Installation Overview
Professional installation is recommended. The SP240V100KA-A should be installed by a qualified electrical professional in accordance with the product instructions, product label, applicable electrical codes, and local requirements.
For best performance, install the surge protector as close to the point of connection as practical and keep all conductors as short and straight as possible.
- Black / Red: L1 / L2 split-phase conductors
- White: Neutral
- Green: Equipment Ground
Listings & Compliance
- ETL Listed to UL 1449 5th Edition
- Certified to CSA C22.2 No. 269.1 and 269.2
- Suitable for circuits not exceeding 100kA RMS symmetrical amps
- 5-year limited warranty
Refer to the Specifications and Installation tabs for complete product ratings, wiring information, and installation requirements.
Product Details
| Weight | 16 oz |
|---|---|
| Dimensions | 4 × 3.25 × 2.25 in |
| Operating Voltage (Vac) | 120/240V |
| Electrical System | 120/240V Split Phase |
| Current Type | AC |
| SPD Type | Type 1, Type 2 |
| Recommended Applications | Electrical Panel, Home, Light Commercial Panel, Residential Panel, Service Entrance, Whole House |
| Installation / Connection Type | Pre-wired Leads, Hardwire |
| Surge Current Capacity | 100kA |
| Surge Events Protected Against | Lightning-related surges, load switching transients, motor-generated surges, utility switching transients |
| Enclosure Rating | Indoor, IP67, NEMA 4X, Outdoor |
| Product Dimensions | 4 × 3.25 × 2.25 in |
| Product Weight | 16 oz |
Installation
Professional installation is recommended. Installation should be performed by a qualified electrician, licensed contractor, or qualified installer in accordance with the product instructions, applicable electrical codes, and local requirements.
Always disconnect power before installation and verify that the SP240V100KA-A is suitable for the electrical system where it will be installed.
Panel Installation Notes
- Install the surge protector at the main service panel, subpanel, disconnect, or other approved electrical equipment location.
- This model uses a cable gland connection and is designed to connect directly to the electrical panel without the use of conduit.
- Mount the surge protector securely and make sure the cable gland is properly installed and tightened for the enclosure and installation location.
- Connect the conductors according to the product wiring diagram and applicable electrical code requirements.
- Use an appropriately rated breaker, disconnect, or connection method as required by the product instructions and local code.
- Keep all conductors as short and straight as possible between the surge protector and the point of connection.
- Do not sharply bend, coil, or unnecessarily extend the wires.
- Use proper fittings, strain relief, and enclosure practices for the installation location.
Status Indicator
After installation, restore power and verify the status lights.
- Green light on: The surge protector is functioning properly and the electrical system is protected.
- Red light on: The surge protector is damaged and must be replaced.
- No lights on: No power is being applied to the surge protector. The electrical connections and electrical service should be inspected before placing the system back into service.
Refer to the product label and installation instructions for the correct wiring configuration, breaker or connection requirements, status light behavior, and product-specific installation details.
Warranty
Bad Wolf surge protection devices include a 5-year product warranty.
Eligible products may also include connected equipment warranty coverage when properly installed and registered according to the warranty terms.
Please review the full warranty terms for complete details, limitations, registration requirements, and coverage information.
Accessories
Recommended accessories and related products for this item.
- Flush Mount Plate FMP-33 — $40.00
FAQ
What is the SP240V100KA-A mainly used for?
The SP240V100KA-A is commonly used as a whole-house surge protector for residential and light commercial 120/240V split-phase electrical systems.
Where is the SP240V100KA-A installed?
The SP240V100KA-A is typically installed at the main electrical panel, service equipment, or another compatible panel location to help protect connected equipment throughout the electrical system from damaging power surges.
What type of electrical system is this surge protector designed for?
The SP240V100KA-A is designed for 120/240V split-phase electrical systems commonly used in homes, garages, workshops, small businesses, and light commercial applications.
Can the SP240V100KA-A be used as a whole-house surge protector?
Yes. The SP240V100KA-A is designed for whole-house surge protection applications when properly installed on a compatible 120/240V split-phase electrical system.
How is the SP240V100KA-A different from the SP240V65KA?
The SP240V100KA-A has a higher surge current rating than the SP240V65KA, making it a stronger option for customers who want a higher level of whole-house surge protection capacity.
Should I choose the SP240V100KA-A or a larger Bad Wolf model?
The SP240V100KA-A is a strong whole-house surge protection option for many residential and light commercial applications. Customers who want a higher surge current rating or a higher protection level may want to consider the SP240V200KA, SP240V225KA, SP240V400KA, HSD240V, or PHSD240V models.
What does the 100KA rating mean?
The 100KA rating refers to the surge current capacity of the device. It is designed to help protect connected electrical equipment from damaging surge events when properly installed on a compatible system.
Is this a Type 1 surge protective device?
Yes. The SP240V100KA-A is a Type 1 surge protective device, which allows it to be installed on the line side or load side of the service disconnect when installed in accordance with the product instructions and applicable electrical codes.
Does this surge protector need to be installed with a circuit breaker?
This surge protector is a Type 1 surge protective device and does not have to be installed in conjunction with a circuit breaker when installed as a Type 1 SPD in accordance with the product instructions and applicable electrical codes.
If this surge protector is installed as a Type 2 SPD on the load side of the service disconnect, Bad Wolf recommends using a 20 amp double-pole circuit breaker unless otherwise required by the authority having jurisdiction, local code, or the specific installation conditions.
What do the LED indicator lights mean?
The LED indicator lights provide a visual indication of protection status. Green means the surge protector is functioning correctly. Red means the surge protector needs to be replaced.
Can this surge protector be installed outdoors?
Yes. The SP240V100KA-A uses a durable enclosure suitable for indoor or outdoor installation when installed according to the product instructions and applicable electrical codes.
Who should install this product?
This product should be installed by a qualified electrician, licensed contractor, or qualified installer familiar with electrical panels, service equipment, and surge protective devices.
Does this product include a warranty?
Bad Wolf surge protection devices include a 5-year product warranty. Eligible products may also include connected equipment warranty coverage when properly installed and registered according to the warranty terms.
Specifications
SP240V100KA-A Specifications
| Model Number | SP240V100KA-A |
|---|---|
| Product Type | Whole-house surge protection device |
| SPD Type | Type 1 |
| Electrical System | 120/240V split-phase |
| Frequency | 50/60 Hz |
| Current Type | AC |
| Surge Current Capacity | 100kA |
| Nominal Discharge Current (In) | 10kA |
| Short-Circuit Current Rating (SCCR) | 100kA RMS symmetrical |
| Maximum Continuous Operating Voltage (MCOV) | 150 VAC L-N / L-G; 300 VAC L-L |
| Voltage Protection Rating (VPR) | 500V L-N / L-G; 1000V L-L |
| Protection Modes | L1-L2, L1-N, L2-N, L1-G, L2-G, N-G |
| Connection Type | Hardwire, pre-wired leads |
| Wiring | 36 inches of 12 AWG leads |
| Typical Wire Connections | Black / Red = L1 / L2, White = Neutral, Green = Equipment Ground |
| Mounting Style | Panel mount style with 1/2 inch cable gland for flush mounting or connection to a compatible conduit fitting |
| Type 2 Installation Note | If installed as a Type 2 SPD, use a 20A double-pole circuit breaker where required by the product instructions and applicable code. Breaker not included. |
| Enclosure Rating | NEMA 4X / IP67 |
| Housing Flammability Rating | UL 94 V-0 |
| Installation Environment | Indoor or outdoor |
| Status Indicators | Green and red LED indicators |
| LED Status | Green ON = Protected / normal operation; Red ON = Replace unit |
| Product Dimensions | 4 × 3.25 × 2.25 in |
| Product Weight | 16 oz |
| Listings | ETL Listed to UL 1449 5th Edition; certified to CSA C22.2 No. 269.1 and 269.2 |
| Warranty | 5 years |