Eaton SPD100240D3M Surge Protection Device - UL 1449
Part Number: SPD100240D3M
Quick Summary
SPD100240D3M surge protection device safeguards industrial power systems from transient surges in electrical distribution. Unprotected equipment can suffer outages, insulation damage, and costly downtime, especially in harsh environments. UL 1449 listed with a robust NEMA 1 enclosure and external side mounting delivers reliable protection and straightforward installation. Industry-proven features include a surge counter and standard feature package, enabling quick diagnostics and proactive protection. Maintenance planning and compliance reporting across facilities are supported by this solution. Designed for 240V delta (3W+G) systems, it accommodates scalable protection across panels and drives while offering a 15-year warranty for long-term value. Its compact footprint also eases retrofits in crowded electrical rooms.
Product Information
Extended Description
SPD100240D3M Eaton: Surge Protection Device, SPD series, 100 kAIC, 240V delta (3W+G), Standard feature package and surge counter, NEMA 1 with internal disconnect enclosure, External side mount, 320 L-G, 320 L-L operating voltage
Product Name
Eaton SPD series surge protection device
Catalog Number
SPD100240D3M
UPC
786685331935
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 1
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 - SPD100240D3M
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating. Business Impact: Provides headroom to absorb high-energy transients without stressing downstream equipment, reducing fuse and breaker wear. Application: Ideal for motor drives, CNCs, and critical control panels in harsh industrial environments. Feature: 240V delta (3W+G) input and 320 L-G, 320 L-L operating voltages. Business Impact: Ensures compatibility with common industrial power architectures and consistent protection across loads. Application: Suitable for standard 240V delta systems in manufacturing lines. Feature: NEMA 1 enclosure with external side mounting. Business Impact: Enables room-temperature indoor installation with straightforward retrofit and service access. Application: Mounts on control panels or compact enclosures near critical equipment. Feature: Standard feature package and surge counter. Business Impact: Delivers built-in diagnostics and event tracking to simplify maintenance and compliance reporting. Application: Supports asset health monitoring in facilities focused on uptime. Feature: 15-year warranty and UL 1449 certification. Business Impact: Improves total cost of ownership and supplier confidence, reducing long-term risk. Application: Suitable for mission-critical infrastructures and industrial plants. Feature: External-side mounting compatibility with SPD series. Business Impact: Streamlines installation outside primary electrical equipment, reducing wiring complexity. Application: Ideal for retrofit projects and crowded control rooms.
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FAQs
SPD100240D3M uses external-side mounting, allowing easy installation and service access without disassembling primary distribution equipment. The NEMA 1 enclosure provides indoor, protected installation, which simplifies retrofits in crowded control rooms and reduces downtime during maintenance.
Key specs include a 100 kAIC interrupt rating, 240V delta (3W+G) input, and operating voltages of 320 L-G and 320 L-L. This protection covers motor drives, control panels, feeders, and other critical loads in typical industrial power networks.
Yes. The SPD series is designed for mounting external to electrical distribution equipment, enabling protection of exposed circuits and easier integration with existing panelboards and distribution gear.
The unit is UL 1449 listed and comes with a 15-year warranty. This combination supports safety compliance, predictable lifecycle costs, and long-term protection for critical assets.
Engineers can expect reduced downtime, extended equipment life, and improved maintenance planning thanks to built-in surge counter diagnostics, 100 kAIC protection, and straightforward installation in standard 240V delta systems.