Eaton SPD100240S4A Surge Protector - 100 kA
Part Number: SPD100240S4A
Quick Summary
The Eaton SPD100240S4A surge protector safeguards 120/240V split-phase panels in industrial environments. Field surges can cause downtime and premature equipment failures, driving maintenance costs higher and complicating production schedules. UL 1449-listed performance ensures safety and reliability for critical electrical protection. This unit is designed for direct bus-mounted panel boards PRL1a, 2a, 3a, 3e and integrates smoothly with Eaton's Power Xpert SPD family, simplifying installation and service. By combining a robust 100 kA per phase rating with a compact form factor, it supports higher uptime and lower maintenance overhead for facilities with mixed-load panels. This translates to measurable business value through reduced downtime and improved system resilience.
Product Information
Extended Description
SPD100240S4A Eaton: Eaton Surge Protection Device, SPD Series, 100 kA per phase, 120/240 Split Phase, Power Xpert SPD, Direct bus mounted panel boards (PRL1a, 2a, 3a, 3e)
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100240S4A
UPC
786689404840
Product Length/Depth
3.48 in
Product Height
12.05 in
Product Width
7.47 in
Product Weight
6.8 lb
Certifications
UL 1449
Accessories
Power Xpert SPD
Used with
Direct bus mounted panel boards (PRL1a, 2a, 3a, 3e)
Voltage rating
120/240V split single-phase
Surge current
100 kA per phase
Feature: 100 kA per phase surge rating delivers rapid clamping of high-energy faults. Business Impact: minimizes equipment damage and downtime, improving line uptime in surge-prone environments. Application: ideal for 120/240V split-phase panels in industrial machinery and commercial facilities. Feature: Direct bus mounting on panel boards PRL1a, 2a, 3a, 3e. Business Impact: reduces installation time and footprint, enhances protection coverage on main distribution, simplifies field service. Application: integration with direct-bus panel architectures in Eaton ecosystems. Feature: UL 1449 certification. Business Impact: validated safety and performance, lowering compliance risk and improving audit readiness. Application: required where UL-standard surge protection is mandated. Feature: Compact form factor with dimensions 3.48 in depth × 7.47 in width × 12.05 in height and 6.8 lb weight. Business Impact: easier fit in crowded panels, simpler handling and mounting, lower installation costs. Application: space-constrained electrical rooms and retrofit projects. Feature: Power Xpert SPD compatibility. Business Impact: unified protection strategy with streamlined monitoring and maintenance, reducing spare parts and training needs. Application: Eaton protection ecosystem across data centers, manufacturing floors, and critical facilities. Feature: 120/240V split-phase rating. Business Impact: matches common commercial and light industrial service, minimizing additional transformers or reconnection work. Application: standard distribution panels and service entrances in mixed-load facilities.
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FAQs
Begin by verifying panel rating and clearances, then mount the SPD directly onto the bus bars within the panel as specified by Eaton's installation guidance. Connect grounded and line conductors per the 120/240V split-phase configuration, secure the device, and perform post-installation testing to ensure UL 1449-listed performance. This approach minimizes conduit work and reduces field wiring errors while delivering rapid surge protection coverage.
The SPD100240S4A provides 100 kA per phase surge current rating, designed for 120/240V split-phase panels. For most industrial loads, this rating offers robust protection against high-energy surges. If your facility experiences exceptionally high transient events or critical equipment, verify system coordination with your electrical engineer and consider staged protection or additional SPD units as needed.
Yes, the SPD100240S4A is aligned with Eaton's Power Xpert SPD family. This compatibility enables a unified protection strategy, streamlined installation, and consistent service workflows. Benefits include easier replacement, standardized monitoring interfaces, and better lifecycle management across multiple panels and facilities.
The SPD100240S4A is UL 1449 certified, indicating compliance with recognized safety and performance standards for surge protection devices. This certification supports regulatory compliance efforts, simplifies supplier qualification, and enhances confidence in protecting critical loads in industrial and commercial installations.
By reducing surge-related downtime and guarding sensitive equipment, the SPD100240S4A delivers improved uptime and lower maintenance costs. With no moving parts and straightforward replacement in direct-bus panel installations, the device lowers lifecycle costs while simplifying field service, resulting in favorable total cost of ownership for protected facilities.