Eaton SPM320600D3U Surge Protection Device - NEMA 4
Part Number: SPM320600D3U
Quick Summary
Eaton SPM320600D3U surge protection device protects electrical systems in industrial facilities from transient surges. Surges create unplanned downtime, equipment damage, and costly maintenance that disrupt production and erode uptime metrics. This SPD MAX model is RoHS compliant and UL/CSA listed, delivering proven protection with a two-module architecture rated at 320 kA per phase for 600 Delta (3W+G). It also features a built-in surge counter for in‑service monitoring and a weather-ready NEMA 4 enclosure option. 15-year warranty, with a 20-year coverage potential upon registration, reinforces long-term value for mission-critical power distribution. In practice, this device helps facilities meet reliability targets while simplifying procurement and installation in standard electrical panels and switchgear.
Product Information
Extended Description
SPM320600D3U Eaton: Surge Protective Device, Max series, Two modules, 320 kA per phase, 600 Delta (3W+G), Standard with surge counter, NEMA 4 with internal terminal breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM320600D3U
UPC
786685919690
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 Std. C22.2 No. 8-M1986 CSA Electrical Notice NO. 516 Edition 1 UL 1449 UL 1283
Voltage rating
600 Delta (3W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Standard with surge counter
Two-module architecture delivers high-energy protection with 320 kA per phase, enabling robust transient suppression for 600 Delta (3W+G) systems. This reduces nuisance trips, extends equipment life, and helps maintain production continuity in panels and motor control centers. NEMA 4 enclosure with internal terminal breaker simplifies wiring and provides reliable performance in outdoor or damp environments, lowering field modification needs and accelerating installation. The built-in surge counter enables proactive maintenance planning and performance trending, improving compliance reporting and asset management across critical power rails. RoHS compliance and UL/CSA certifications ensure regulatory alignment, supplier reliability, and safer procurement for data centers, manufacturing lines, and utility interfaces. A long warranty—15 years, extendable to 20 with registration—lowers lifecycle costs and boosts total cost of ownership visibility for facility managers.
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FAQs
For new panel installations, verify the panel supports 600 Delta (3W+G) service and two-module protection. Plan routing to the internal terminal breaker and use the NEMA 4 rated enclosure in appropriate environments. Ensure wiring connections follow the catalog specifications and that the device is UL/CSA listed for compliance. The built‑in surge counter enables ongoing monitoring post-install.
The SPM320600D3U provides 320 kA per phase protection with a two-module architecture designed for high-energy transients. This configuration supports three‑phase with ground systems (600 Delta, 3W+G) and is optimized for fast response to spikes, reducing the likelihood of downstream equipment damage and nuisance tripping.
Yes. The device features a NEMA 4 enclosure with an internal terminal breaker, delivering weather resistance and reliable operation in outdoor or damp environments. This design simplifies installation in exterior equipment rooms, weather-exposed panels, and other challenging locations while maintaining access for service and monitoring.
The SPM320600D3U is RoHS compliant and carries UL 1449 and UL 1283 listings, along with CSA standards (C22.2 No. 8-M1986 and Electrical Notice NO. 516 Edition 1). These certifications support regulatory compliance and safety requirements across industrial markets, simplifying procurement and approval cycles for regulated projects.
The unit carries a 15-year warranty from delivery, with a 20-year option upon registration. This extended coverage lowers lifecycle risk and total cost of ownership, especially for mission-critical power systems. Coupled with the built‑in surge counter, it enables predictable maintenance intervals and improves asset availability, delivering measurable uptime improvements.