Eaton SPD100240S1K Surge Protection Device - UL 1449
Part Number: SPD100240S1K
Quick Summary
SPD100240S1K Surge protection device safeguards 120/240 V split-phase panels in commercial and light industrial environments. The primary challenge is transient overvoltages that slip past generic fuses, causing equipment downtime and costly repairs. It is UL 1449-listed, backed by a robust 15-year warranty, and designed for a NEMA 1 enclosure with external side mounting, providing reliable, field-friendly protection. Coupled with its 100 kAIC rating and 120/240 V capability, this solution accelerates safe commissioning and reduces maintenance surprises. In practice, adopting this SPD series standardizes protection across sites, delivering predictable performance and clear business value for panel builders and maintenance teams.
Product Information
Extended Description
SPD100240S1K Eaton: Surge Protection Device, SPD series, 100 kAIC, 120/240V Split single-phase, Basic feature package, NEMA 1 enclosure, External side mount, 150 L-N, 150 L-G, 150 N-G, 300 L-L operating voltage
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100240S1K
UPC
786685327228
Product Length/Depth
9.5 in
Product Height
3.45 in
Product Width
5.4 in
Product Weight
3.5 lb
Warranty
15 year
Certifications
UL 1449
Type
Surge protection device
Accessories
Basic feature package
Voltage rating
120/240 V
Enclosure
NEMA 1
Mounting Method
External side
Interrupt rating
100 kAIC
Operating voltage
150 L-N, 150 L-G, 150 N-G, 300 L-L
Series
SPD
Eaton’s SPD Series (Sidemount Versions) Brochure
Eaton SPD Series - For Mounting External To Electrical Distribution Equipment Installation Manual
Eaton Specification Sheet - SPD100240S1K
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating provides fast, high-energy clamping for transient overvoltages. Business Impact: Protects sensitive drives and controllers, reduces nuisance tripping, and extends equipment life. Application: Ideal for 120/240 V split-phase panels in commercial and light-industrial settings, including control panels and distribution equipment. Feature: 120/240 V operating voltage with L-N, L-G, N-G and 300 L-L paths delivers comprehensive multi-point protection. Business Impact: Improves EMI/RFI resilience and safeguards both loads and sensors across all fault paths. Application: Suitable for panelboards and distribution gear connected to critical machinery in factories and campuses. Feature: External side mounting and a NEMA 1 enclosure simplify retrofit and serviceability. Business Impact: Shortens installation time, reduces field errors, and enhances safety during maintenance. Application: Retrofit projects and new installs where sidemounted protection is preferred near distribution equipment. Feature: Basic feature package keeps upfront cost predictable while delivering essential surge protection. Business Impact: Facilitates standardized procurement and budgeting across multiple sites. Application: Multi-site rollouts where consistent protection is required without unnecessary custom add-ons. Feature: 15-year warranty and UL 1449 certification provide long-term reliability assurances. Business Impact: Lowers total cost of ownership and supports compliance narratives for audits. Application: Asset-heavy manufacturing and packaging lines seeking durable protection.
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FAQs
SPD100240S1K is designed for external side mounting in NEMA 1 enclosures. Follow Eaton's mounting guidelines in the installation manual IM01005031E for proper alignment, securing hardware, and clearances. The sidemounted configuration minimizes panel disruption and allows rapid field replacement, reducing downtime during commissioning and maintenance while ensuring UL 1449 compliance.
The device provides a 100 kAIC interrupt rating, protecting 120/240 V split-phase systems. It supports operating voltages of 150 V L-N, 150 V L-G, 150 V N-G, and 300 V L-L, delivering multi-path surge suppression for sensitive loads. This combination reduces the likelihood of control logic faults and preserves drive systems during transient events.
Yes. With 120/240 V capability, external sidemount installation, and a 15-year warranty, SPD100240S1K is well-suited for commercial panels, service entrances, and light-industrial distribution where reliable surge protection is essential for uptime and equipment longevity.
SPD100240S1K is UL 1449-listed, indicating compliance with surge protection performance standards. It also carries a 15-year warranty, supporting asset protection and lifecycle budgeting. This combination helps meet safety and reliability requirements in regulated environments and simplifies procurement and audit conversations.
The device reduces downtime caused by transient overvoltages, minimizes unplanned maintenance, and enables standardized protection across sites. Its high current rating and sidemount installation streamline retrofits and upgrades, while the durable NEMA 1 enclosure and warranty support long-term reliability for asset-intensive production lines.