Eaton SPM120240S4T Surge Protection Device - UL 1449
Part Number: SPM120240S4T
Quick Summary
The Eaton SPD MAX surge protection device protects electrical systems from damaging transients in commercial and industrial power distribution. Surges cause unplanned downtime and expensive equipment wear, challenging uptime and maintenance budgets. It carries UL 1449 certification and features a NEMA 4 enclosure with an internal terminal block, enabling rugged outdoor or harsh indoor environments. Designed for 120/240V split-phase systems, it integrates with Power Xpert SPD for centralized monitoring and reporting, delivering reliable power quality and robust protection across industrial control panels and equipment. This combination supports safer operations, easier compliance, and measurable reductions in maintenance costs for mission-critical facilities.
Product Information
Extended Description
SPM120240S4T Eaton: Eaton SPD Max series surge protection device, SPD Max Series, 120 kA per phase, 120/240 Split Phase, Power Xpert SPD, NEMA 4 with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM120240S4T
UPC
786689409807
Product Length/Depth
9.5 in
Product Height
17.05 in
Product Width
15 in
Product Weight
52 lb
Certifications
UL 1449
Voltage rating
120/240V split single-phase
Surge current
120kA per phase
Feature: 120 kA surge current per phase. Business Impact: High-energy transient protection minimizes equipment damage and unplanned outages, extending asset life and reducing replacement costs. Application: Suitable for motors, drives, and control panels in manufacturing lines and process equipment. Feature: 120/240V split-phase compatibility. Business Impact: Seamless integration with common plant power distribution, simplifying protection strategy and reducing wiring errors. Application: Industrial machinery and data or control panels in mid-size facilities. Feature: NEMA 4 enclosure with internal terminal block. Business Impact: Weather-resistant protection and simplified field wiring reduce installation time and improve long-term reliability in outdoor or dusty environments. Application: Outdoor motor control centers and harsh indoor spaces. Feature: UL 1449 certification. Business Impact: Compliance with safety standards facilitates audits and procurement across regulated facilities. Application: Data centers, hospitals, and utility-backed installations. Feature: Compact dimensions and weight within standard electrical room footprints. Business Impact: Easier panel layout and mounting, saving space and enabling scalable protection. Application: Retrofit projects and new builds with tight space constraints. Feature: Power Xpert SPD compatibility. Business Impact: Centralized monitoring and reporting improve maintenance planning and fault diagnostics. Application: Systems requiring integrated protection management in modular automation environments.
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FAQs
The SPM120240S4T is designed for 120/240V split-phase power, enabling straightforward protection across common plant electrical distributions. It includes an internal terminal block for easier wiring and aligns with Power Xpert SPD for centralized monitoring. Before installation, verify panel space, mounting clearance, and clear labeling to ensure safe and effective operation.
The device provides 120 kA per phase surge protection, delivering robust defense against high-energy transients that can damage drivers, relays, and control electronics. This rating supports reliable protection for critical loads, reduces replacement costs, and enhances uptime across manufacturing lines and processing equipment. Always confirm panel wiring and enclosure integrity to maintain the specified protection level.
Yes. The SPM120240S4T utilizes a NEMA 4 enclosure with an internal terminal block, designed to withstand dust, water, and demanding conditions found in outdoor or harsh indoor settings. For best results, mount with appropriate drainage and follow the installation manual to preserve enclosure protection and ensure long-term performance in weather-exposed panels.
This surge protection device is UL 1449 listed, confirming adherence to established safety and performance standards for SPDs. UL certification supports regulatory compliance, procurement approval, and safer audits in data centers, factories, and healthcare environments. The NEMA 4 enclosure further reinforces environmental protection requirements, aiding field inspections and future upgrades.
By safeguarding critical equipment from transient surges, the SPM120240S4T reduces unplanned downtime and extends asset life, lowering maintenance and replacement costs. The internal terminal block speeds installation, while the UL 1449 and NEMA 4 certifications simplify compliance. Overall, facilities benefit from improved reliability, predictable maintenance planning, and a more resilient power distribution system.