Eaton SPM320220Y3U Surge Protection Device - UL 1449 Listed
Part Number: SPM320220Y3U
Quick Summary
Eaton SPM320220Y3U is a surge protection device designed to safeguard critical electrical systems in industrial facilities. From motor drives to panel boards, transient events challenge uptime and drive maintenance costs when protection is inadequate. This Eaton SPD MAX series device carries UL 1449, CSA, and UL 1283 certifications, offering robust ROHS-compliant protection. Designed for 127/220 V Wye systems with a two-module configuration, it combines reliability with an economy of scale for facilities. In addition, the NEMA 4 enclosure supports indoor and outdoor installations, while the internal terminal breaker simplifies wiring and reduces panel footprint. With a 15-year warranty—20 years when registered on Eaton's site—the device offers long-term value, backed by industry-leading service and documentation.
Product Information
Extended Description
SPM320220Y3U Eaton: Surge Protective Device, Max series, Two modules, 320 kA per phase, 127/220 Wye (4W+G), Standard with surge counter, NEMA 4 w/ internal terminal breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM320220Y3U
UPC
786685919416
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 CSA Std. C22.2 No. 8-M1986 UL 1283
Voltage rating
127/220 Wye (4W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Standard with surge counter
Feature: Two-module configuration with 320 kA per phase surge capacity. Business Impact: this high-energy rating absorbs damaging transients from switching events and grid disturbances, helping prevent downstream component failures and costly downtime. Application: ideal for protecting motor drives, PLCs, and critical distribution panels in manufacturing floors and data centers. Feature: 127/220 V Wye (4W+G) input configuration for standard industrial power. Business Impact: simplifies system integration, reduces miswiring risk, and accelerates commissioning with plug-and-play compatibility. Application: suitable for new builds and retrofits across control rooms, machine centers, and plant electronics enclosures. Feature: NEMA 4 enclosure with internal terminal breaker. Business Impact: provides reliable weather resistance and safe, code-compliant wiring within a compact footprint. Application: performs reliably in challenging environments, including manufacturing floors, outdoor substations, and service entrances. Feature: Standard surge counter for event monitoring. Business Impact: enables uptime analytics, proactive maintenance planning, and audit-ready documentation. Application: supports facilities with strict reliability requirements and traceability, such as data centers and process plants. Feature: RoHS compliant with multiple certifications, including UL 1449, UL 1283, CSA Electrical Notice No. 516, and CSA Std. C22.2 No. 8-M1986. Business Impact: assures regulatory compliance, smoother supplier qualification, and reduced risk during audits. Application: suitable for regulated industries and procurement programs emphasizing standards-based protection. Feature: Long warranty coverage—15 years, extended to 20 years when registered on Eaton's SPD portal. Business Impact: lowers long-term ownership cost and strengthens maintenance planning. Application: ideal for mission-critical environments where reliability and supplier support are essential.
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FAQs
Install the two-module SPD MAX device inside a suitable panel enclosure, connect the input conductors to the designated live terminals, and bond the ground to the grounding bus. Use the internal terminal breaker to manage wiring and verify proper clearance and secure mounting per Eaton installation instructions. Ensure compensation for the 4W+G configuration and confirm RoHS-compliant wiring practices for reliable operation.
SPM320220Y3U employs a two-module configuration with a combined capability of 320 kA per phase. This arrangement provides robust transient suppression for 127/220 V Wye systems, reducing the risk of downstream equipment damage during grid or switching transients.
The device is certified to UL 1449 and UL 1283, and conforms to CSA Electrical Notice No. 516 Edition 1 and CSA Std. C22.2 No. 8-M1986. It is RoHS compliant, aligning with environmental and regulatory expectations for industrial protection devices.
The NEMA 4 enclosure offers dependable protection against moisture, dust, and indoor/outdoor exposure, enabling flexible siting in harsh environments. The internal terminal breaker simplifies wiring, reduces panel footprint, and supports quicker commissioning with fewer field modifications.
The SPD MAX device carries a 15-year warranty, extendable to 20 years when registered on Eaton’s SPD portal. This long-term coverage lowers total cost of ownership, enhances maintenance planning, and improves uptime by protecting critical equipment over the asset life cycle.