Eaton SPM320240S3Y Surge Protection Device - NEMA 4X
Part Number: SPM320240S3Y
Quick Summary
SPM320240S3Y surge protection device guards critical electrical systems against surges in industrial panels. For engineers facing costly downtime from transient events, reliable protection is non-negotiable. It carries CSA Electrical Notice No. 516, UL 1449 and UL 1283 certifications and RoHS compliance, reflecting rigorous safety and performance standards. Its NEMA 4X enclosure with an internal terminal block simplifies installation in harsh environments, while the 120/240 V rating supports common split-phase power networks. The combination of protection, traceable performance, and a long service life translates into lower maintenance costs and improved system uptime. This makes it a practical choice for panel builders and maintenance teams seeking predictable performance.
Product Information
Extended Description
SPM320240S3Y Eaton: Surge Protective Device, Max series, Two modules, 320 kA per phase, 120/240 split phase, Standard with surge counter, NEMA 4X with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM320240S3Y
UPC
786685919478
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 CSA Std. C22.2 No. 8-M1986 UL 1449 UL 1283
Voltage rating
120/240 V
Enclosure
NEMA 4X with internal terminal block
Type
Max series
Special features
Standard with surge counter
Two-module design provides 320 kA per phase protection with fast transient response. Business impact: It reduces unexpected outages and extends the life of downstream drives, PLCs, and contactors. Application: Ideal for motor control centers and distribution panels in manufacturing facilities where transients are routine. 120/240 V split-phase compatibility aligns with common industrial power architectures. Business impact: Simplifies integration, lowers wiring complexity, and cuts installation time. Application: Retrofit or new-build projects in factories, process plants, and equipment rooms. NEMA 4X enclosure with internal terminal block provides rugged, field-ready wiring. Business impact: Improves reliability in wet, dusty, or wash-down environments and reduces sealing concerns during maintenance. Application: Outdoor cabinets, plant floors, and harsh environments typical of chemical, food & beverage, and mining operations. Standard surge counter enables ongoing monitoring of transient activity. Business impact: Supports preventive maintenance planning, warranty validation, and compliance reporting. Application: Data logging for OEMs, service providers, and plant engineers seeking traceability. RoHS compliant with CSA and UL certifications demonstrates safety and environmental compliance. Business impact: Accelerates procurement, minimizes regulatory risk, and aligns with supplier quality programs. Application: Projects requiring strict conformance across automotive, heavy industry, and process sectors. Compact yet robust design reduces spare parts variety and installation footprint. Business impact: Lowers total cost of ownership through easier stocking and faster upgrades. Application: OEMs updating control panels or expanding MCCs in existing facilities.
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FAQs
The SPM320240S3Y uses a two-module design with an internal terminal block inside a durable NEMA 4X enclosure, simplifying wiring and mounting in existing motor control centers and control panels. It supports standard split-phase networks and aligns with common industry practices, reducing retrofit time and minimizing changes to upstream protection schemes. The included surge counter aids ongoing monitoring during commissioning and maintenance.
This device provides 320 kA per phase protection, designed to absorb large transient events common in industrial settings. With two modules, it delivers robust per-phase suppression for critical loads such as drives and PLCs. The RoHS-compliant construction and UL/CSA certifications further assure performance under demanding conditions.
Yes. The SPM320240S3Y features a NEMA 4X enclosure with an internal terminal block, making it suitable for wet, dusty, or wash-down environments. Its 120/240 V split-phase rating supports typical industrial power networks, and its rugged design helps minimize maintenance cycles in outdoor or harsh plant areas.
The device carries CSA Electrical Notice No. 516, UL 1449, and UL 1283 certifications, along with RoHS compliance. These certifications confirm safety, EMC/EMI performance, and environmental responsibility, streamlining procurement for regulated industries and ensuring code-conforming installations.
The built-in surge counter enables data-driven maintenance planning and warranty verification, helping teams schedule timely replacements and justify investments. The standard 15-year warranty (20 years with registration) reduces long-term risk, lowers total cost of ownership, and supports robust service contracts for OEMs and facilities.