Eaton SPD100240H3L Surge Protection Device - 100 kAIC UL 1449
Part Number: SPD100240H3L
Quick Summary
Eaton SPD100240H3L surge protection device protects electrical systems from transient spikes in industrial power circuits. This model is designed for external side mounting on 240V delta (4W+G) configurations, commonly found in control panels and switchgear. The device helps address a frequent pain point: costly equipment damage and unplanned downtime caused by voltage transients. Key standards and reliability features include UL 1449 certification and a rugged NEMA 1 flush enclosure, backed by a 15-year warranty. In practice, installers value easy integration, built-in surge counter diagnostics, and the SPD series’ compatibility with standard protection schemes, delivering uptime improvements and predictable total cost of ownership for industrial facilities.
Product Information
Extended Description
SPD100240H3L Eaton: Surge Protection Device, SPD series, 100 kAIC, 240V high-leg delta (4W+G) on B phase, Standard feature package and surge counter, NEMA 1 flush 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
SPD100240H3L
UPC
786685330150
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
240V delta (4W+G)
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 - SPD100240H3L
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature → 100 kAIC interrupt rating provides high surge withstand capability, reducing the likelihood of device failure during extreme transients. Business Impact → Enhances protection for sensitive drives, controllers, and motors, minimizing downtime and warranty claims. Application → Suitable for control panels and distribution equipment in manufacturing lines where surge events are common. Feature → 240V delta (4W+G) voltage rating ensures phase-to-phase and phase-to-ground protection across standard configurations. Business Impact → Limits damage from line surges in multi-wire systems, extending equipment life and reducing maintenance costs. Application → Ideal for motor control centers and equipment racks that operate on 240V delta supplies. Feature → NEMA 1 enclosure with external side mounting supports easy installation and rugged field performance. Business Impact → Streamlines retrofits and new installs in electrical rooms, reducing labor and enclosure footprint. Application → Retrofit projects and new cabinet installations in industrial facilities. Feature → Standard feature package with surge counter delivers operational visibility. Business Impact → Facilitates maintenance planning, trend analysis, and regulatory reporting, lowering total cost of ownership. Application → Asset management programs in manufacturing environments. Feature → 15-year warranty and UL 1449 certification provide long-term protection and compliance confidence. Business Impact → Lowers lifecycle risk and replacement costs while meeting safety and performance standards. Application → Capital projects and ongoing system upgrades in production environments. Feature → Operating voltage options L-N, L-G, N-G, and L-L enable flexible protection across configurations. Business Impact → Supports diverse facility layouts and future expansion without reconfiguring protection schemes. Application → Data centers, automation cells, and multi-line processes requiring adaptable surge protection.
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FAQs
Yes. SPD100240H3L is designed for external side mounting and supports 240V delta (4W+G) configurations. Its NEMA 1 enclosure provides a robust fit for control cabinets and distribution panels, simplifying retrofits and new installations without sacrificing protection quality.
The device delivers up to 100 kAIC interrupt rating, offering strong defense against large transient surges. It protects L-N, L-G, N-G, and L-L connections within 150 V line-to-neutral/ground and up to 300 V line-to-line configurations, supporting critical loads in manufacturing and automation environments.
Absolutely. The 100 kAIC rating, 240V delta compatibility, and external side mounting are well-suited for motor control centers, drives, and control cabinets. The built-in surge counter aids ongoing protection validation, helping facilities meet uptime targets while reducing unscheduled downtime.
SPD100240H3L is UL 1449 listed, offering recognized safety and performance assurance for surge protection devices. Its NEMA 1 enclosure further supports compliant installation in indoor industrial environments, ensuring reliable protection for essential equipment.
The built-in surge counter provides actionable data for trend analysis and maintenance scheduling, reducing unexpected failures. Coupled with a 15-year warranty, this lowers lifecycle costs by minimizing replacement frequency and optimizing asset management, making it a cost-effective choice for long-term protection.