Eaton SPM300480D3X Surge Protection Device - UL 1449
Part Number: SPM300480D3X
Quick Summary
The Eaton SPD MAX SPM300480D3X surge protection device safeguards 480V delta systems against transient overvoltages. For engineers and maintenance teams, outages and equipment damage from lightning and switching surges translate to downtime and rising costs. The unit carries UL 1449 and UL 1283 certifications, CSA approvals, and RoHS compliance, all housed in a rugged NEMA 4X enclosure for indoor or outdoor use. With a standard surge counter, a 15-year warranty (20 years when registered) and a 300 kA per phase rating, it supports reliable startup, easier monitoring, and a lower total cost of ownership across critical processes. Its 480 Delta (3W+G) configuration is engineered to address high-energy events common in heavy industries.
Product Information
Extended Description
SPM300480D3X Eaton: Surge Protective Device, Max series, Single module, 300 kA per phase, 480 Delta (3W+G), Standard w/ surge counter, NEMA 4X with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM300480D3X
UPC
786685918839
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 1283 CSA Std. C22.2 No. 8-M1986 CSA Electrical Notice NO. 516 Edition 1 UL 1449
Voltage rating
480 Delta (3W+G)
Enclosure
NEMA 4X with internal terminal block
Type
Max series
Special features
Standard with surge counter
Feature: 300 kA per phase rating for high-energy transient protection → Business Impact: Drastically reduces the risk of equipment damage during surge events, protecting critical loads without sacrificing availability → Application: Data centers, processing plants, and heavy manufacturing lines where large transient currents are common. Feature: 480 Delta (3W+G) configuration → Business Impact: Optimizes protection for three-wire plus ground delta systems, enabling compliant installations across industrial sites → Application: 480V motor drives, pumps, and HVAC controls with 3W+G networks. Feature: NEMA 4X enclosure with internal terminal block → Business Impact: Durable, weather-resistant protection with simplified wiring and maintenance → Application: Indoor/outdoor panels, outdoor substations, and harsh environments. Feature: Standard surge counter → Business Impact: Real-time event logging supports proactive maintenance and regulatory reporting → Application: Facilities with traceable surge histories for compliance. Feature: RoHS compliant with UL 1283 and UL 1449 certifications, CSA approvals → Business Impact: Streamlined procurement and assured safety, reducing sourcing risks → Application: Regulated facilities requiring validated protection solutions. Feature: 15-year warranty (20 with registration) → Business Impact: Extended asset longevity reduces lifecycle costs and teardown risk → Application: Critical infrastructure projects and long-term capital investments.
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FAQs
The SPM300480D3X is a single-module device designed for 480V delta (3W+G) networks. Installers should mount the unit in a protected enclosure, connect via the internal terminal block, and verify conductor sizing for the 300 kA per phase protection. Ensure adequate clearance for cooling and observe RoHS-compliant wiring practices to maintain UL certifications.
The protector carries UL 1449 and UL 1283 certifications along with CSA approvals and RoHS compliance. These standards validate safety, surge performance, and material restrictions, reducing procurement risk while supporting regulatory alignment for industrial installations. A 15-year warranty (20 years with registration) further reinforces reliability expectations.
Yes. The unit features a NEMA 4X enclosure with an internal terminal block, designed for wet, dusty, or corrosive environments. This protects internal components from weather and provides secure wiring access, enabling reliable operation in both indoor and outdoor industrial spaces without additional enclosure layering.
Key specs include 300 kA per phase protection, 480 Delta (3W+G) configuration, and a standard surge counter. These capabilities safeguard critical loads during high-energy transients, reduce unplanned downtime, and improve maintenance scheduling by delivering traceable surge data for compliance and root-cause analysis.
The built-in surge counter records transient events over time, enabling trend analysis and preventive maintenance planning. This data supports regulatory reporting and asset management by helping teams verify protection performance, schedule inspections after defined event counts, and justify upgrades or replacements based on actual usage.