Eaton SPM320220Y3W Surge Protection Device - 320kA, 127/220V
Part Number: SPM320220Y3W
Quick Summary
The Surge Protection Device Eaton SPM320220Y3W guards critical electrical systems in industrial facilities. This unit addresses the frequent challenge of transient spikes that cause nuisance trips, equipment damage, and unexpected downtime. It carries UL 1449 and UL 1283 certifications, along with CSA standards, and features a rugged NEMA 4X enclosure for reliable performance in harsh environments. With a 15-year warranty (20 years when registered) and a built-in surge counter, it provides long-term protection while simplifying compliance and maintenance. The 127/220 V Wye configuration and two-module design enable straightforward integration into common plant power layouts, delivering meaningful business value through uptime and asset protection.
Product Information
Extended Description
SPM320220Y3W Eaton: Surge Protective Device, Max series, Two modules, 320 kA per phase, 127/220 Wye (4W+G), Standard with surge counter, NEMA 4X w/ internal circuit breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM320220Y3W
UPC
786685919423
Product Length/Depth
9.3 in
Product Height
17.5 in
Product Width
14.91 in
Product Weight
50 lb
Warranty
15 years from the date of delivery (20 years when registered on www.eaton.com/spd)
Compliances
RoHS Compliant
Certifications
CSA Std. C22.2 No. 8-M1986 UL 1283 CSA Electrical Notice NO. 516 Edition 1 UL 1449
Voltage rating
127/220 Wye (4W+G)
Enclosure
NEMA 4X with internal circuit breaker
Type
Max series
Special features
Standard with surge counter
Feature → Business Impact → Application: The SPM320220Y3W delivers 320 kA per phase protection across two modules, which translates to superior surge handling that minimizes equipment damage and reduces unplanned downtime in high-energy facilities. This reduces maintenance costs and extends the life of sensitive drives and controllers in motor control centers and distribution panels. Feature → Business Impact → Application: NEMA 4X enclosure with an internal circuit breaker enables installation in indoor or outdoor environments with harsh conditions, simplifying site wiring and enhancing safety during maintenance in manufacturing floors. Feature → Business Impact → Application: Standard with a surge counter provides immediate visibility into surge events, enabling proactive energy protection analytics and easier regulatory reporting in facilities subject to electrical compliance. Feature → Business Impact → Application: RoHS compliant construction and multiple regulatory certifications support compliance with industry standards (UL, CSA), reducing risk when sourcing repairable protection devices for regulated sectors such as food processing, pharma, and data centers. Feature → Business Impact → Application: 127/220 V Wye configuration supports common plant power layouts, enabling quick integration with existing panels and minimizing retrofits, accelerating time-to-protection for critical loads and MCCs. Feature → Business Impact → Application: A 15-year warranty (20 years with registration) lowers total cost of ownership and provides long-term assurance to procurement teams, while the built-in surge counter aids ongoing maintenance planning and ROI calculations.
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FAQs
The SPM320220Y3W is designed for easy integration with standard Eaton protection schemes. It uses a 127/220V Wye (4W+G) configuration and comes in a two-module arrangement, matching common industrial panels and MCCs. The NEMA 4X enclosure with an internal breaker simplifies mounting and wiring, reducing modification time and risk during retrofit projects.
This surge protection device provides 320 kA per phase, two modules, delivering high-energy surge handling for critical loads. The protection aligns with UL 1449 and UL 1283 requirements, with CSA standards also supporting performance verification. This capacity helps prevent damaging transients from utility faults, switching events, and lightning surges in demanding facilities.
Yes. The unit comes in a NEMA 4X enclosure with an internal circuit breaker, enabling installation in both indoor and outdoor or washdown-prone environments. Its RoHS compliance and multiple certifications (UL 1449, UL 1283, CSA) further ensure suitability for regulated industries and harsh plant conditions, while maintaining safe and reliable operation.
The SPM320220Y3W carries UL 1449, UL 1283, CSA Std. C22.2 No. 8-M1986, and CSA Electrical Notice No. 516 Edition 1 certifications. These endorsements help facilities meet electrical protection standards, procurement compliance, and safety requirements in sector-specific installations such as manufacturing, data centers, and process industries.
By protecting critical loads from damaging surges, the device reduces downtime and extends equipment life, driving uptime gains and lower maintenance costs. The built-in surge counter supports proactive maintenance planning and energy-management insights, while the 15-year warranty (20 years with registration) lowers long-term ownership risk and total cost of ownership for procurement teams.