Eaton SPM250480D3T SPD - 480 Delta (3W+G) UL/CSA
Part Number: SPM250480D3T
Quick Summary
SPD protects 480V delta systems from surges, enabling reliable operation in industrial panels. Facilities often suffer downtime and equipment damage from transient voltages, driving maintenance costs and unplanned outages. Certified to UL 1449, CSA Electrical Notice No. 516, and CSA Std. C22.2 No. 8-M1986, this unit offers robust regulatory compliance for harsh environments. With a built-in surge counter and a rugged NEMA 4 enclosure, it also supports easy field servicing and long-term reliability. Its 480 Delta rating and compact footprint help optimize panel space and reduce total cost of ownership for industrial automation projects.
Product Information
Extended Description
SPM250480D3T Eaton: Surge Protective Device, Max series, Single module, 250 kA per phase, 480 Delta (3W+G), Standard with surge counter, NEMA 4 with internal terminal breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM250480D3T
UPC
786685918013
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 Electrical Notice NO. 516 Edition 1 UL 1449 CSA Std. C22.2 No. 8-M1986 UL 1283
Voltage rating
480 Delta (3W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Standard with surge counter
High-capacity surge handling: The SPM250480D3T delivers 250 kA per phase protection for 480 V delta systems, allowing drives and controls to withstand large transient events without voltage excursions that trip breakers or shorten component life. This reliability translates into reduced downtime, fewer replacement parts, and lower maintenance costs across production lines and critical electrical cabinets. Rugged enclosure and wiring simplicity: The NEMA 4 enclosure with an internal terminal breaker supports installation in damp or dirty environments and protects internal electronics from ingress. The single-module design also minimizes panel footprint while delivering predictable, repeatable wiring and faster commissioning for OEMs and system integrators. Surge counter and monitoring: The standard surge counter enables ongoing fault analysis, compliance reporting, and easy validation of protective margins during audits. This visibility helps maintenance teams plan service windows and verify protection levels without extensive field testing. Regulatory alignment and RoHS: Compliance with UL 1449, CSA Electrical Notice 516, and CSA Std. C22.2 No. 8-M1986 supports safety and performance requirements in regulated environments. RoHS compliance aligns with sustainability initiatives and reduces hazardous substance exposure across the installation. Warranty and lifecycle value: Eaton provides a 15-year warranty from delivery, extending to 20 years when registered on the Eaton SPD site, underscoring long-term reliability and total cost of ownership. Compatibility and physical footprint: Designed for MAX series applications, the module measures 9.3 in length, 17.5 in height, and 14.91 in width, with a weight of about 50 lb, enabling straightforward integration into standard electrical enclosures and panel builds.
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FAQs
Begin by verifying system voltage and available space in the panel. Mount the unit in a suitable enclosure, connect incoming and outgoing conductors to the internal terminal breaker per the Eaton installation guide, and confirm proper wiring polarity. After mounting, energize and perform a functional check using the surge counter to validate protection is active and configured correctly.
The device provides 250 kA per phase surge capacity for 480 V delta (3W+G) systems. It features a NEMA 4 enclosure with an internal terminal breaker and RoHS compliance. The unit is designed to withstand transient overvoltages, helping protect drives, panels, and other critical equipment while maintaining system continuity.
Yes. The 480 Delta (3W+G) configuration and robust enclosure make it well suited for manufacturing environments and motor drive applications where transient events are common. The surge counter aids in ongoing monitoring, and the compact single-module design supports easier integration into existing panel footprints.
The device carries UL 1449, CSA Electrical Notice No. 516, CSA Std. C22.2 No. 8-M1986, and UL 1283, among others, ensuring compliance with essential safety and electrical protection standards. These certifications help satisfy regulatory requirements, support safer operation, and facilitate audits in regulated industries.
Eaton offers a 15-year warranty from delivery, extending to 20 years if registered on the Eaton SPD site. This extended coverage, along with reduced downtime and fewer failed components, contributes to lower maintenance costs and improved uptime, delivering a favorable total cost of ownership over the equipment lifecycle.