Eaton SPD100240S3P Surge Protection Device - UL 1449
Part Number: SPD100240S3P
Quick Summary
The SPD100240S3P surge protection device from Eaton protects electrical systems against damaging voltage transients in industrial and commercial power distribution. Unprotected equipment leads to nuisance outages, accelerated component wear, and costly downtime—risks you can’t afford in critical facilities. It carries UL 1449 listing, comes in a rugged NEMA 4X stainless steel enclosure, and is designed for external side mounting to simplify retrofit in existing panels. Operating on 120/240 V split single-phase that powers many critical loads, it supports reliable protection while minimizing space and installation costs. The device also aligns with durability and compliance goals, offering a long-term ROI through reduced surge damage and straightforward maintenance.
Product Information
Extended Description
SPD100240S3P Eaton: Eaton SPD series surge protection device, SPD series, 100 kAIC, 120/240V split single-phase, standard feature package and surge counter, NEMA 4X stainless steel enclosure, external side mount, 150 L-N, 150 L-G, 150 N-G
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100240S3P
UPC
786685340029
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
Standard feature package and surge counter
Voltage rating
120/240 V
Enclosure
NEMA 4X
Mounting Method
External side
Enclosure material
Stainless steel
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 - SPD100240S3P
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature 100 kAIC interrupt rating → Business Impact: Enables protection for high-energy transients, reducing the likelihood of catastrophic equipment damage and unplanned downtime in emergency systems. Application: Ideal for industrial control panels, motor drives, and sensitive instrumentation in harsh environments. Feature External side mounting with 120/240 V split single-phase input → Business Impact: Simplifies retrofit and panel integration, saving installation time and reducing wiring complexity. Application: Suitable for sidemount configurations in existing electrical distribution equipment. Feature NEMA 4X stainless steel enclosure → Business Impact: Delivers superior corrosion and moisture resistance, extending service life in outdoor or damp locations. Application: Outdoor electrical rooms, washdown areas, and regard for harsh industrial environments. Feature Standard feature package with surge counter → Business Impact: Provides built-in surge event tracking to support maintenance planning and regulatory reporting. Application: Asset management programs and preventive maintenance cycles. Feature 15-year warranty and UL 1449 certification → Business Impact: Lower lifecycle cost and increased supplier confidence through proven performance and long-term protection. Application: Procurement decisions in facilities aiming for reliability and total cost of ownership reductions. Auxiliary context: With 9.5 in length, 5.4 in width, and 3.45 in height, weighing 3.5 lb, the SPD100240S3P balances compact form with rugged capability, supporting integration into compact or retrofit installations while maintaining robust protection for L-N, L-G, N-G, and L-L connections.
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FAQs
SPD100240S3P is designed for external side mounting on electrical distribution equipment. Ensure clearance for 9.5 in length, 5.4 in width, and 3.45 in height, with proper enclosure access and secure mechanical fastenings. Plan wiring to accommodate 150 L-N, 150 L-G, 150 N-G connections and the 120/240 V supply, while observing local codes and UL 1449 requirements.
The unit operates at 120/240 V split single-phase with a 100 kAIC interrupt rating, accommodating 150 L-N, 150 L-G, 150 N-G, and 300 L-L configurations. It weighs 3.5 lb, measures 9.5 in (L) × 5.4 in (W) × 3.45 in (H), and includes a standard feature package plus a surge counter, all under UL 1449 listing.
Yes. The SPD100240S3P uses a stainless steel, NEMA 4X enclosure designed for harsh or damp environments, enabling reliable external mounting and protection in outdoor or warehouse settings where exposure to humidity, dust, or cleaning regimes is common.
SPD100240S3P is UL 1449 listed, with a durable NEMA 4X enclosure and a 15-year warranty. UL 1449 ensures surge protection performance, while the rugged enclosure supports compliance with environmental and safety requirements, reducing lifecycle risk for critical installations.
Investing in SPD100240S3P yields lower total cost of ownership through reduced surge-related damage, fewer unplanned outages, and a measurable maintenance program supported by the built-in surge counter. The 15-year warranty and robust enclosure further protect asset investment in high-demand industrial or commercial applications.