Eaton SPM320220Y1Y Surge Protection Device - NEMA 4X
Part Number: SPM320220Y1Y
Quick Summary
The Eaton SPM320220Y1Y surge protection device protects industrial power panels from transient surges. When spikes strike, downtime and equipment damage cost time and money; this SPD helps keep critical systems online. Certified to UL 1449 and UL 1283 with CSA and RoHS compliance, it meets stringent electrical safety and environmental standards. Two modules in the MAX series offer 320 kA per phase protection for 127/220 V Wye networks, with an internal terminal block for straightforward installation. Its rugged enclosure supports outdoor and harsh environments while reducing maintenance needs and extending asset life. By standardizing on a single SPD across panels, procurement simplifies stocking while RoHS compliance minimizes regulatory risk and the 15-year warranty boosts total cost of ownership.
Product Information
Extended Description
SPM320220Y1Y Eaton: Surge Protective Device, Max series, Two modules, 320 kA per phase, 127/220 Wye (4W+G), Standard with surge counter, NEMA 4X with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM320220Y1Y
UPC
786685919034
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
UL 1449 CSA Std. C22.2 No. 8-M1986 CSA Electrical Notice NO. 516 Edition 1 UL 1283
Voltage rating
127/220 Wye (4W+G)
Enclosure
NEMA 4X with internal terminal block
Type
Max series
Special features
Standard with surge counter
Feature: Two-module MAX series construction delivering 320 kA per phase protection. Business Impact: Strong surge handling reduces the likelihood of downstream equipment damage and unplanned outages. Application: Ideal for motor drives, distribution panels, and critical control circuits in industrial facilities. Feature: 127/220 V Wye (4W+G) rating. Business Impact: Aligns with common industrial power distributions, enabling reliable protection across multiple equipment types. Application: Panels serving mixed loads in manufacturing lines and process controls. Feature: NEMA 4X enclosure with internal terminal block. Business Impact: Weatherproof and robust installation with simplified wiring, lowering field labor costs. Application: Outdoor substations, washdown areas, and rugged factory environments. Feature: Standard surge counter. Business Impact: Proactive maintenance through traceable surge events, reducing unplanned downtime. Application: Asset health monitoring across the protection system. Feature: RoHS compliant and certified (UL 1449, UL 1283, CSA). Business Impact: Regulatory compliance and customer assurance, facilitating procurement and end-user acceptance. Application: Aerospace, automotive, and general industrial sectors requiring formal certifications. Feature: 15-year warranty (20 years with registration). Business Impact: Lower long-term ownership costs and improved protection lifecycle planning. Application: Facilities with long-term asset protection strategies and warranty management.
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FAQs
The SPM320220Y1Y is a two-module SPD in a NEMA 4X enclosure with an internal terminal block, designed for straightforward wiring and reliable field installation. It supports 127/220 V Wye configurations and includes a surge counter for diagnostics, helping technicians verify protective performance during commissioning and maintenance.
This device provides up to 320 kA per phase surge protection for 127/220 V Wye (4W+G) systems. Its robust MAX series design is optimized for fast response and continuous protection across industrial panels, motor drives, and distribution boards, minimizing transient-induced damage.
Yes. The enclosure is rated NEMA 4X, offering weather resistance and durability in outdoor or damp environments. With an internal terminal block, wiring is protected from the elements, supporting reliable performance in facilities such as outdoor substations or harsh factory floors.
The SPM320220Y1Y carries UL 1449 and UL 1283 certifications and CSA listings, with RoHS compliance. These approvals support regulatory compliance, safety assurances for installers, and ease of procurement in regulated industries.
The device includes a 15-year warranty from delivery, extending to 20 years when registered on Eaton’s SPD portal. A built-in surge counter aids ongoing maintenance by documenting surge events, supporting asset management and lifecycle planning for protected equipment.