SP240V50KA-A Electrical Panel Surge Protector – 120/240V Split Phase – 50kA – Panel Mount – Type 1 SPD
$89.00
The SP240V50KA is a compact 3-wire Type 1 surge protection device for compatible 120/240V split-phase electrical systems. It is designed for panel or service-entrance surge protection applications where a durable, pre-wired SPD is needed for general protection against damaging voltage transients.
Key Features
- 3-wire panel-mount SPD for compatible 120/240V split-phase systems
- 50kA per phase surge current capacity
- Type 1 SPD for service entrance or panel applications
- Low VPR: 1000V L-L / 500V L-G
- NEMA 4X / IP67 enclosure for indoor or outdoor installation
- Single green status LED: Green = protected, Off = replace
- Backed by a 5-year warranty
SP240V50KA Electrical Panel Surge Protector - 120/240V Split Phase - 50kA Type 1 SPD
The Bad Wolf SP240V50KA is a compact 3-wire Type 1 surge protection device designed for compatible 120/240V split-phase electrical systems. It is built for panel or service-entrance surge protection applications where a durable, pre-wired SPD is needed to help reduce the risk of damage from transient overvoltage events.
Designed for demanding environments, the SP240V50KA features a rugged NEMA 4X / IP67 enclosure for indoor or outdoor installation. It provides protection modes for L1-L2, L1-G, and L2-G, helping protect compatible electrical systems from damaging voltage spikes caused by lightning-related surges, utility switching, motor loads, and other power disturbances.
Key Features & Benefits
- Compact 3-wire design: Designed for compatible 120/240V split-phase panel and service-entrance applications.
- 50kA per phase surge current capacity: Provides general surge protection for connected electrical systems and equipment.
- Type 1 SPD: Suitable for service entrance or panel applications when installed in accordance with applicable electrical codes.
- Low VPR: 1000V L-L / 500V L-G to help limit let-through voltage during surge events.
- 100kA SCCR: Rated for high fault-current environments when properly applied.
- Indoor/outdoor enclosure: NEMA 4X / IP67, V-0 flammability housing for durable installation in harsh locations.
- Pre-wired for installation: Includes 36 inches of 12 AWG leads for flexible mounting and clean routing.
- Simple status indication: Single green LED shows protection status at a glance.
- Made in the USA: Built by a Service-Disabled Veteran-Owned manufacturer.
Installation Notes
- Install the SP240V50KA as close to the service equipment or electrical panel as practical.
- Keep leads as short and straight as possible for best surge protection performance.
- Installation should be performed by a qualified electrician in accordance with the product instructions, NEC requirements, and applicable local electrical codes.
- For outdoor installations, mount the unit to maintain the enclosure rating and use proper cable routing, strain relief, and drip-loop practices where applicable.
LED Status Indicator
- Green ON: Protected / normal operation
- OFF: Replace unit
Product Details
| Weight | 8 oz |
|---|---|
| Dimensions | 2.5 × 2.4 × 2 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, HVAC, Light Commercial Panel, Residential Panel, Service Entrance |
| Installation / Connection Type | Pre-wired Leads, Hardwire |
| Surge Current Capacity | 50kA |
| 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 | 2.5 x 2 x 2 in |
| Product Weight | 8 oz |
Installation
Professional installation is recommended. Installation should be performed by a qualified, licensed electrical professional in accordance with the product instructions, the product label, applicable electrical codes, and local requirements.
Always disconnect power before installation. Verify that power has been disabled using an appropriate voltage sensing device before working on the electrical system. Confirm that the SP240V50KA is suitable for the electrical system where it will be installed.
Panel / Service Equipment Installation Notes
- The SP240V50KA is designed for compatible 120/240V split-phase electrical systems.
- This model uses a 3-wire connection: L1, L2, and Ground. It does not use a neutral connection.
- Install the surge protector at the main service panel, subpanel, disconnect, or other approved electrical equipment location based on the application and code requirements.
- Mount the surge protector securely using the approved mounting method for the enclosure and installation location.
- This model includes a built in 1/2 inch NPT straight connector for direct to electrical box installation, any additional fittings or connectors required for the installation are supplied by the installer or customer.
- Connect the conductors according to the product wiring diagram, product label, and applicable electrical code requirements.
- Use an appropriately rated breaker, disconnect, or connection method as required by the product instructions, the electrical equipment, and local code.
- Install the surge protector as close to the point of connection as practical.
- 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, sealing methods, and enclosure practices for the installation location.
Status Indicator
After installation, restore power and verify that the green status light is illuminated. If the green status light is not on, disconnect power and inspect the installation before placing the system back into service.
- Green ON: Protected / normal operation
- OFF: Replace unit
Refer to the product label and installation instructions for the correct wiring configuration, breaker or connection requirements, 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.
FAQ
What is the SP240V50KA mainly used for?
The SP240V50KA is commonly used to help protect HVAC condenser units, heat pump outdoor units, mini-split outdoor units, pool pumps, well pumps, irrigation pumps, septic pumps, and similar dedicated equipment circuits from damaging power surges.
Can the SP240V50KA be installed on an HVAC condenser?
Yes. The SP240V50KA is a good option for surge protection at an HVAC condenser or heat pump outdoor unit when installed on a compatible electrical circuit by a qualified installer.
Can this surge protector be used on a pool pump?
Yes. The SP240V50KA may be used to help protect compatible pool pump circuits when the electrical system matches the product ratings and installation requirements.
Can this be used on a well pump or irrigation pump?
Yes. The SP240V50KA may be used on compatible well pump, irrigation pump, and similar pump circuits where the voltage and wiring configuration match the product specifications.
What type of wiring is this surge protector designed for?
The SP240V50KA is commonly used on compatible split-phase equipment circuits with two hot conductors and a ground. Always verify the electrical system and product ratings before installation.
Can the SP240V50KA be used as a whole-house surge protector?
Yes, the SP240V50KA can be used for whole-house surge protection on a compatible 120/240V split-phase electrical system. However, for main panel or whole-house protection, Bad Wolf’s higher-capacity models are usually the better choice.
Which Bad Wolf products are better for whole-house protection?
For main electrical panel or whole-house surge protection, customers may want to consider higher-capacity Bad Wolf models such as the SP240V65KA, SP240V100KA, SP240V200KA, or SP240V400KA, depending on the application and desired protection level.
What does the 50KA rating mean?
The 50KA 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 SP240V50KA 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.
What does the status light mean?
The status light provides a visual indication of protection status. Green means the surge protector is functioning. If the light is off, the device should be replaced.
Can this surge protector be installed outdoors?
Yes. The SP240V50KA 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, HVAC contractor, pool contractor, pump contractor, or qualified installer familiar with the equipment and electrical circuit being protected.
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.
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.
Specifications
SP240V50KA Specifications
| Model Number | SP240V50KA |
|---|---|
| Product Type | 3-wire panel-mount surge protection device |
| SPD Type | Type 1 |
| Electrical System | 120/240V split-phase |
| Frequency | 50/60 Hz |
| Current Type | AC |
| Surge Current Capacity | 50kA per phase |
| Nominal Discharge Current (In) | 10kA |
| Short-Circuit Current Rating (SCCR) | 100kA RMS symmetrical |
| Maximum Continuous Operating Voltage (MCOV) | 300 VAC L-L / 150 VAC L-G |
| Voltage Protection Rating (VPR) | 1000V L-L / 500V L-G |
| Protection Modes | L1-L2, L1-G, L2-G |
| Response Time | As fast as 500 picoseconds |
| Connection Type | Hardwire, pre-wired leads |
| Wiring | 36 inches of 12 AWG leads |
| Enclosure Rating | NEMA 4X / IP67 |
| Housing Flammability Rating | V-0 |
| Installation Environment | Indoor or outdoor |
| Status Indicator | Single green LED |
| LED Status | Green ON = Protected / normal operation; OFF = Replace unit |
| Product Dimensions | 2.5 x 2 x 2 in |
| Product Weight | 8 oz |
| Listings | Intertek ETL Listed to UL 1449 5th Edition; certified to CSA C22.2 No. 269.1 and 269.2 |
| EMC Compliance | FCC 47 CFR Part 15 and ICES-003 |
| Warranty | 5 years |