Eaton SP1 Surge Protective Dev...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$338.78

Eaton SP1 Surge Protective Device, Three-Phase 120/208 Wye

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Model: SP1-208Y

In Stock (leaves warehouse same day if ordered before 3pm ET)

$338.78
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Eaton SP1 Surge Protective Device, Three-Phase 120/208 Wye

The Eaton SP1 Surge Protective Device is an Innovative Technology Protector-series surge protection device (SPD) engineered for three-phase electrical systems operating at 120/208 wye voltage. Rated with a 50 kAIC interrupt rating and an operating voltage of 300 L-L, 150 L-N, this SP1-type device is designed to shield sensitive electrical equipment and panelboards from damaging voltage transients. Backed by UL 1449 listing and a 2-year manufacturer warranty, it delivers dependable surge protection for commercial and industrial power distribution applications.

Key Features

  • Voltage Rating: 120/208 wye system voltage, suited for three-phase distribution equipment.
  • Interrupt Rating: 50 kAIC interrupt rating for robust protection against high fault currents.
  • Operating Voltage: 300 L-L, 150 L-N operating voltage thresholds for reliable surge clamping performance.
  • Type: SP1 surge protective device designation, part of Eaton's Innovative Technology Protector line.
  • Phase Configuration: Three-phase design for use on commercial and industrial power systems.
  • Compact Footprint: 2.9 in width, 2.5 in length/depth, and 4.8 in height for efficient enclosure and panel mounting.
  • Warranty Coverage: Backed by a 2-year manufacturer warranty for added peace of mind.

Certifications & Compliance

  • UL 1449 Listed

Technical Specifications

  • Type: SP1
  • Phase: Three-phase
  • Voltage Rating: 120/208 wye
  • Operating Voltage: 300 L-L, 150 L-N
  • Interrupt Rating: 50 kAIC
  • Product Width: 2.9 in
  • Product Length/Depth: 2.5 in
  • Product Height: 4.8 in
  • Certifications: UL 1449
  • Product Type: Surge Protector
  • Warranty: 2 year

Typical Applications

  • Commercial and Industrial Electrical Panelboards
  • Three-Phase Power Distribution Systems
  • Surge Suppression for Sensitive Electronic Equipment
  • Switchgear and Load Center Protection
  • New Construction and Panel Retrofit Projects

Why Eaton?

Eaton's SP1 Surge Protective Device combines a 50 kAIC interrupt rating with UL 1449 listing to deliver code-compliant surge protection for demanding three-phase electrical environments. The compact, panel-ready construction and 2-year warranty reflect Eaton's commitment to reliable, professional-grade electrical protection equipment that installers and facility managers can depend on.

Manufacturer Resources

Product Specs

Product Width:
2.9 in
Warranty:
2 year
Voltage Rating:
120/208V Wye
Interrupt rating:
50 kAIC
Product Length/Depth:
2.5 in
Product Height:
4.8 in
Product Type:
Surge Protector
Phase:
Three-phase
Operating voltage:
300 L-L, 150 L-N
Certifications:
UL 1449
Department:
Electrical
Configuration:
Three-Phase
Standards:
UL 1449
Product Group:
Circuit Protection
Product Subgroup:
Surge Protection

Eaton SP1-208Y – Frequently Asked Questions

1) Will the Eaton SP1-208Y surge protective device work on a 277/480V panel?
No. The SP1-208Y is built for a 120/208V wye three-phase system, with operating voltage thresholds of 300 line-to-line and 150 line-to-neutral. A 277/480V system runs well past those thresholds, so you need the 480V wye version of the device instead. Match the SPD voltage rating to the panel nameplate before ordering.
2) Can I use this Eaton SPD on a single-phase 120/240 service?
It is not the right part. The SP1-208Y is a three-phase configuration device rated for 120/208 wye. On a single-phase 120/240 panel you want a single-phase SPD rated for that system; the phase configuration and the line-to-line voltage both differ.
3) Does the Eaton SP1 surge protector fit inside a panelboard enclosure or does it need its own box?
The housing is small enough for most panel or enclosure mounting: 2.9 in wide, 2.5 in deep, 4.8 in high. That footprint is the deciding number if you are fitting it into the wiring gutter of an existing panelboard, so measure your available gutter space against those three dimensions before you commit to an internal mount.
4) Is the Eaton SP1-208Y UL listed for surge protection?
Yes, it carries a UL 1449 listing, which is the standard that covers surge protective devices. That listing is what most commercial and institutional specs call out by name, so it satisfies a spec line reading "SPD shall be UL 1449 Listed."
5) What is the Eaton part number I order for the 120/208 wye version?
The manufacturer part number is SP1-208Y, sold as model SP1208Y in Eaton's Innovative Technology Protector series. The 208Y suffix is what identifies the 120/208 wye voltage configuration, so quote it exactly when ordering against a spec.
6) Can this be added to an existing panel or is it only for new construction?
Both. The SP1 three-phase SPD is used on new panelboard installations and on retrofits to existing 120/208 wye distribution gear, including load centers and switchgear. On a retrofit the two things to confirm are that the panel is genuinely 120/208 wye and that you have gutter space for a 2.9 x 2.5 x 4.8 in device.
7) Will this Eaton SPD protect sensitive electronics in a commercial building?
That is what it is for. Installed at the panelboard, the SP1 clamps voltage transients ahead of downstream loads, which is the typical approach for protecting sensitive electronic equipment in commercial and industrial facilities. It is service or distribution level protection, not a point of use plug strip, so critical equipment often gets a second local device as well.
How fast can I get the Eaton SP1-208Y delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Eaton SP1-208Y come with a warranty?
Absolutely. The Eaton SP1-208Y is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Eaton SP1-208Y?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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