Eaton SPD100240D3N Surge Protection Device - UL 1449
Part Number: SPD100240D3N
Quick Summary
SPD100240D3N is a surge protection device for safeguarding industrial electrical systems from transient surges. For engineers and maintenance teams, unprotected panels mean unexpected downtime, equipment damage, and costly repairs when lightning or switching surges occur. UL 1449 listed protection in a NEMA 4X enclosure provides reliable performance in harsh environments, while the 100 kAIC rating offers robust safeguarding. By pairing 240V delta service compatibility with external side mounting, this solution supports straightforward field upgrades and consistent protection across facilities, delivering measurable reductions in downtime and long-term maintenance costs.
Product Information
Extended Description
SPD100240D3N Eaton: Surge Protection Device, SPD series, 100 kAIC, 240V delta (3W+G), Standard feature package and surge counter, NEMA 4 enclosure, External side mount, 320 L-G, 320 L-L operating voltage
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100240D3N
UPC
786685334639
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 (3W+G)
Enclosure
NEMA 4X
Mounting Method
External side
Interrupt rating
100 kAIC
Operating voltage
320 L-G, 320 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 - SPD100240D3N
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating; Business Impact: Enables high-energy surge handling, protecting downstream equipment and reducing unplanned outages; Application: Critical motors, drives, and control panels in manufacturing lines. Feature: 240V delta (3W+G) compatibility; Business Impact: Maximizes interoperability with common industrial power networks, simplifying design and procurement; Application: Panel boards and MCCs on delta systems. Feature: Operating voltage 320 L-G, 320 L-L; Business Impact: Delivers predictable clamping across phases, improving protection reliability; Application: Three-phase distributed circuits in harsh facilities. Feature: NEMA 4X enclosure; Business Impact: Ensures moisture, dust, and corrosion resistance for indoor-outdoor deployments; Application: Outdoor enclosures, wet environments, and exposed electrical rooms. Feature: External side mounting; Business Impact: Eases retrofit and serviceability, reducing installation time and labor costs; Application: Surface-mounted distribution equipment. Feature: Standard feature package and surge counter; Business Impact: Provides traceable protection performance and simple maintenance planning; Application: Compliance reporting and asset management. Feature: 15-year warranty and UL 1449 certification; Business Impact: Lowers total cost of ownership through long-term reliability and documented standards; Application: Facilities with strict procurement and lifecycle requirements.
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FAQs
When installing SPD100240D3N with external side mounting, ensure a clear mounting surface, proper accessibility for status indicators, and secure weatherproof sealing if located outdoors. Verify the enclosure is compatible with the panel’s dimensions and confirm conduit entry points accommodate the external mount provided. Proper torque on connections is essential to maintain UL 1449 listed protection.
Yes. The SPD100240D3N is UL 1449 listed and is designed for 240V delta (3W+G) configurations. Its 100 kAIC rating provides robust protection against high-energy transients, making it suitable for protecting motors, drives, and control panels in industrial installations that use delta service.
Absolutely. The unit uses a NEMA 4X enclosure, which offers weather and corrosion resistance for outdoor or challenging indoor environments. This rating helps ensure reliable surge protection performance in areas exposed to dust, moisture, or temperature fluctuations.
The device includes a standard feature package and a surge counter, enabling ongoing performance tracking and easier maintenance planning. This supports regulatory compliance, asset management, and proof of protection during audits or system upgrades.
Deploying SPD100240D3N lowers total cost of ownership by reducing unplanned downtime, protecting expensive equipment, and extending service life of electrical assets. Its rugged enclosure, external mounting option, and UL 1449 compliance provide a reliable, future-ready surge protection solution for demanding industrial environments.