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SP240V100KA-A 100kA Type 1 Whole House Surge Protector – 120/240V Split-Phase

$159.00

Surge Protector 240V Split-Phase 100kA — Type 1 Whole House SPD (Dual-Status LEDs, 4-Wire, Flush or Conduit Mount)

  • Type 1 SPD (Service Entrance Rated)
  • Electrical Ratings: 120/240 VAC, 50/60 Hz Split-Phase
  • Surge Current Rating: 100kA
  • SCCR: 100kA
  • MCOV: 300V L-L / 150V L-G (VAC)
  • VPR: 1000V L-L / 500V L-G
  • Enclosure: NEMA 4X / IP67, UL 94 V-0 (Indoor/Outdoor)
  • Protection Modes: 6-Mode (L1-L2, L1-N, L2-N, L1-G, L2-G, N-G)
  • Certifications: UL 1449 Listed; CSA C22.2 No. 269.1 & 269.2
  • LED Diagnostics: Green = Protected / Operating; Red = NOT Protected — Replace SPD
  • Connection: 4-Wire (L1 / L2 / N / G)
  • Mounting: 1/2″ cable gland for flush mount or connection to 1/2″ NPT female for conduit
  • Leads: 36″ of 12 AWG wire
  • Warranty: 5-Year Limited Warranty
  • If installing as Type 2: Requires 20A double-pole circuit breaker (not included)
SKU: SP240V100KA-A Category: Tag:

SP240V100KA-A — 100kA Type 1 Whole House Surge Protector (120/240V Split-Phase)

Protect your home’s electrical panel and sensitive equipment from damaging surges caused by lightning and utility switching.
SP240V100KA-A is a Type 1 Surge Protective Device (SPD) designed for 120/240 VAC split-phase systems and built for long-term reliability in demanding environments.

Key Benefits

  • Type 1 SPD (service entrance rated) for whole-home surge protection
  • More powerful protection: 100kA surge current rating
  • High fault safety rating: 100kA SCCR
  • 4-wire connection (L1/L2/N/G) for robust protection on split-phase systems
  • 6-mode protection: L1-L2, L1-N, L2-N, L1-G, L2-G, N-G
  • Indoor/Outdoor ready: NEMA 4X / IP67 enclosure with UL 94 V-0 flammability rating
  • Certifications: UL 1449 Listed; CSA C22.2 No. 269.1 & 269.2
  • Dual-Status LED diagnostics:
    • Green LED = Protected / Operating normally
    • Red LED = NOT Protected — Replace the surge protector
  • Flexible installation options: 1/2" cable gland for flush mount to a panel or connection to a 1/2" NPT female conduit fitting
  • Warranty: 5-Year Limited Warranty

Electrical Performance

  • System Voltage: 120/240 VAC split-phase, 50/60 Hz
  • Surge Current Rating: 100kA
  • SCCR: 100kA
  • MCOV: 300V (L-L), 150V (L-G)
  • VPR: 1000V (L-L), 500V (L-G)
  • Response Time: 500 picoseconds (typ.)

Installation Notes

SP240V100KA-A is designed to be installed by a qualified electrical professional in accordance with applicable electrical codes and best practices.

  • Mounting: flush mount to the electrical panel or use 1/2" NPT conduit installation
  • Leads: 36 inches, 12 AWG
  • If installing as Type 2: requires a 20A double-pole circuit breaker (not included)

What’s Included

  • SP240V100KA-A surge protector (pre-wired)
  • Integrated LED status indicators
  • 36" 12 AWG leads (pre-attached)

Specifications (Quick Reference)

  • Model: SP240V100KA-A
  • Type: Type 1 SPD (Whole House / Service Entrance)
  • Voltage: 120/240 VAC split-phase, 50/60 Hz
  • Protection Modes: 6 (L-L, L-N, L-G, N-G)
  • Enclosure: NEMA 4X / IP67, UL 94 V-0
  • Wiring: 4-wire (L1/L2/N/G)
  • Leads: 36", 12 AWG
  • Warranty: 5 years

Product Details

Weight16 oz
Dimensions4 × 3.25 × 2.25 in
Application

Commercial, EV Charging Station, Farm, Generator, Home, Irrigation, Marine, RV, Solar, Wind

Connection Type

Hardwire

Service Type

Split Phase

SPD Classification

Type 1, Type 2

Surge Current Rating (A)

100kA

Type of Electrical Current

AC

Voltage (Vac)

240

Environmental Rating

Indoor, Outdoor

Surge Type Category Rating

Lightning

Specifications

Review the product details and product description for voltage, surge current rating, connection type, enclosure rating, wiring details, certifications, and other technical information.

For detailed product-specific ratings, refer to the specifications listed on this product page and any available product documentation.

Installation

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 the product is suitable for the electrical system where it will be installed.

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 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.