Eaton SPM320240D3U Surge Protection Device - UL 1449 Listed
Part Number: SPM320240D3U
Quick Summary
Eaton SPD MAX surge protection device delivers reliable transient suppression for three-phase 240 V delta systems. Industrial power networks face unpredictable surges that threaten motor drives, PLCs, and control panels, driving downtime and repair costs. This model carries UL 1449 and UL 1283 listings, CSA C22.2 standards, and RoHS compliance, with a rugged NEMA 4 enclosure designed for harsh environments. Designed to integrate with the Max series lineup, it delivers a two-module configuration and built-in surge counter to support proactive maintenance and regulatory reporting, helping you improve uptime, extend equipment life, and reduce total cost of ownership.
Product Information
Extended Description
SPM320240D3U Eaton: Surge Protective Device, Max series, Two modules, 320 kA per phase, 240 Delta (3W+G), Standard with surge counter, NEMA 4 with internal terminal breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM320240D3U
UPC
786685919492
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 UL 1283 CSA Std. C22.2 No. 8-M1986 CSA Electrical Notice NO. 516 Edition 1
Voltage rating
240 Delta (3W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Standard with surge counter
Feature → Business Impact → Application: The SPM320240D3U uses a two-module design delivering up to 320 kA per phase, enabling robust protection for high-energy surges common in industrial facilities. This translates to reduced risk of damage to drives, transformers, and sensitive electronics, which lowers replacement costs and minimizes unplanned downtime on critical lines. Application: ideal for manufacturing floors with heavy motor loads and 240 V delta feeders. Feature → Business Impact → Application: The device supports 240 Delta (3W+G) configurations, ensuring compatibility with standard three-phase delta networks without costly rewiring or adapters. This streamlines retrofits and new installations alike, delivering faster commissioning and predictable protection coverage. Feature → Business Impact → Application: The NEMA 4 enclosure with internal terminal breaker provides weather-resistant protection and simplifies wiring, reducing field install time and potential wiring errors. Application: suitable for outdoor equipment pads, switchgear, and protected utility spaces where environmental exposure is a concern. Feature → Business Impact → Application: Standard with a surge counter gives real-time visibility into surge events, enabling proactive maintenance planning, service intervals, and regulatory reporting. Application: supports facilities that require traceable protection activity for audits and reliability programs. Feature → Business Impact → Application: RoHS compliance and multiple listings (UL 1449, UL 1283, CSA) ensure regulatory alignment and safer operation, contributing to safer workplaces and smoother procurement. Application: fits compliance-driven projects and systems needing documented safety and environmental standards. Feature → Business Impact → Application: A 15-year warranty (20 years with registration) lowers total cost of ownership by reducing future replacement costs and service disruptions. Application: ideal for long-life protection schemes in critical process lines and data-rich industrial environments.
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FAQs
Yes. The SPM320240D3U is specifically designed for 240 Delta (3W+G) three-phase systems. Its two-module construction supports high-energy surges typical of industrial drives, making it straightforward to retrofit into existing delta networks without major rewiring or additional adapters.
The device is UL 1449 and UL 1283 listed, CSA C22.2 certified, and RoHS compliant. These certifications ensure safety, performance under surge conditions, electrical compatibility with North American standards, and environmental compliance—critical for regulated facilities and procurement requirements.
The built-in surge counter logs events, enabling trend analysis and scheduled interventions before failures occur. This reduces unplanned downtime, supports reliability initiatives, and provides auditable data for compliance reporting and warranty validation.
The SPM320240D3U carries a 15-year warranty from the date of delivery, with an extended 20-year warranty available when registered on Eaton’s site. This extended coverage reduces long-term ownership risk and provides a clear ROI for reliability-focused programs.
The two-module design, 240 Delta compatibility, and a NEMA 4 enclosure with an internal terminal breaker simplify installation and field wiring. Combined with RoHS compliance and standard surge counter, it supports quick integration into existing protection schemes while meeting industry standards and environmental requirements.