Eaton SPM400220Y3T SPD MAX surge protection device - UL 1449
Part Number: SPM400220Y3T
Quick Summary
The Eaton SPD MAX surge protection device safeguards electrical systems in industrial facilities by clamping transient overvoltages. Too often, hidden surges and nuisance trips erode uptime and damage sensitive equipment, driving costly repairs. It is certified to UL 1449 and UL 1283, with CSA Electrical Notice No. 516 and CSA Std. C22.2 No. 8-M1986, ensuring robust safety and regulatory compliance. Designed for reliability and scale, it features a 127/220 V Wye (4W+G) configuration and a rugged NEMA 4 enclosure with internal terminal breaker. RoHS compliant and backed by a 15-year warranty (20 years when registered on Eaton's SPD site), it supports preventative maintenance and asset longevity. Ideal for data centers, manufacturing lines, and heavy industry, it helps standardize protection while reducing maintenance costs.
Product Information
Extended Description
SPM400220Y3T Eaton: Surge Protective Device, Max series, Single module, 400 kA per phase, 127/220 Wye (4W+G), Standard with surge counter, NEMA 4 with internal terminal breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM400220Y3T
UPC
786685920627
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 Electrical Notice NO. 516 Edition 1 UL 1283 CSA Std. C22.2 No. 8-M1986
Voltage rating
127/220 Wye (4W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Standard with surge counter
Feature: 400 kA per phase surge capacity → Business Impact: significantly reduces risk of equipment damage during lightning and switching surges, lowering repair costs and downtime. Application: ideal for critical power rails in data centers and industrial plants. Feature: 127/220 V Wye (4W+G) configuration → Business Impact: supports versatile installations across 4-wire systems, simplifying upgrades and retrofits. Application: mid-sized facilities transitioning to improved surge protection. Feature: NEMA 4 enclosure with internal terminal breaker → Business Impact: enhances environmental resilience and simplifies wiring, reducing field service time. Application: outdoor or rugged indoor deployments with reliable sealing. Feature: Standard surge counter → Business Impact: easy monitoring of protection performance and proactive maintenance planning. Application: asset protection programs and compliance reporting. Feature: RoHS compliance + multiple certifications (UL 1449, UL 1283, CSA notices) → Business Impact: ensures regulatory compatibility and faster project approvals. Application: regulated industries requiring traceable safety certifications. Feature: 15-year warranty (20 years with registration) → Business Impact: long-term ownership cost reduction and predictable maintenance budgeting. Application: facility-wide protection programs and enterprise asset management.
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FAQs
The SPM400220Y3T is designed for a straightforward top-access installation in a 127/220 V Wye configuration. It uses a NEMA 4 enclosure with an internal terminal breaker, simplifying wiring and reducing field wiring errors. Ensure proper L1/L2/L3 (where applicable), grounding, and adherence to local electrical codes. Use the built-in surge counter for ongoing protection visibility.
This device provides up to 400 kA per phase protection, delivering robust suppression for transient surges from lightning and switching events. The 4W+G configuration enables protective grounding for improved safety, and the RoHS-compliant design helps meet environmental and regulatory requirements across industrial sites.
Yes. The unit carries UL 1449 and UL 1283 certifications, along with CSA Electrical Notice No. 516 Edition 1 and CSA Std. C22.2 No. 8-M1986. These certifications support regulatory acceptance, safer operation, and easier approvals for electrical installations in North America.
The SPD MAX device comes with a 15-year warranty from the date of delivery. If you register on Eaton’s SPD site, the warranty extends to 20 years. This extended coverage supports long-term protection budgeting and reduces total cost of ownership for mission-critical equipment.
Industries such as data centers, manufacturing facilities, and heavy industrial plants benefit from its combination of 400 kA per phase protection, 127/220 V Wye configuration, and NEMA 4 enclosure. It is suitable for protecting power rails, control panels, and sensitive automation equipment, helping reduce downtime and extend asset life.