Eaton SPD100240D3O Surge Protection Device - UL 1449
Part Number: SPD100240D3O
Quick Summary
Eaton SPD100240D3O surge protection device protects electrical systems against transient surges in 3-phase delta networks, delivering fast response where load protection matters most. For engineers facing tight installation timelines, integration with external equipment and limited enclosure options can slow projects and raise risk. UL 1449 certification, a rugged NEMA 4X enclosure, and a 15-year warranty provide regulatory confidence, weather resistance, and long-term asset protection. External side mounting simplifies field installs and minimizes footprint in crowded panels, while 100 kAIC interrupt rating guards high-energy faults. The standard feature package with surge counter enhances visibility, compliance, and maintenance planning across your protection strategy.
Product Information
Extended Description
SPD100240D3O Eaton: Surge Protection Device, SPD series, 100 kAIC, 240V delta (3W+G), Standard feature package and surge counter, NEMA 4 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
SPD100240D3O
UPC
786685337333
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 - SPD100240D3O
Eaton’s SPD Series (Sidemount Versions) Data Sheet
Feature: 100 kAIC interrupt rating governs high-energy surges, delivering robust protection for critical loads. Business Impact: Reduces downtime, extends equipment life, and lowers replacement costs. Application: Ideal for 3W+G loads in 240V delta systems in industrial control panels. Feature: 240V delta (3W+G) voltage rating with 320 L-G and 320 L-L operating voltages. Business Impact: Ensures compatibility with common industrial feeders and minimizes wiring complexity. Application: Suitable for medium-size manufacturing lines and distribution panels. Feature: NEMA 4X enclosure. Business Impact: Enables outdoor and washdown installations with reliable protection against dust, moisture, and corrosion. Application: Outdoor substations, process areas, and harsh indoor environments. Feature: External side mounting. Business Impact: Reduces installation footprint and simplifies retrofits by locating protection close to the distribution equipment. Application: Retrofit projects and new builds where space is constrained. Feature: Standard feature package and surge counter. Business Impact: Delivers built-in diagnostics for compliance, trending, and maintenance scheduling. Application: Facility maintenance programs and audits require traceable surge events. Feature: 15-year warranty and UL 1449 certification. Business Impact: Lower total cost of ownership through proven reliability and regulatory alignment. Application: Procurement decisions for mission-critical systems and long-life assets.
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FAQs
SPD100240D3O is designed for external side mounting to electrical distribution equipment, featuring a NEMA 4X weatherproof enclosure suitable for indoor and outdoor installations. This setup reduces panel depth and simplifies wiring since the device mounts alongside the equipment rather than inside the panel. Follow the installation manual for clearance and venting requirements.
Key specs include 240V delta (3W+G) wiring, 320 V-L-G and 320 V-L-L operating voltages, and a 100 kAIC interrupt rating. It is UL 1449 certified and housed in a NEMA 4X enclosure. The device ships with a standard feature package that includes a surge counter for diagnostics and reporting, supporting compliance documentation.
Yes. The NEMA 4X enclosure provides weather resistance suitable for outdoor installations and washdown environments. Its 240V delta configuration and robust surge protection are designed for industrial sites where exposure to dust, moisture, or mild corrosives is a concern, helping maintain protection without frequent replacements.
Access the Eaton SPD Series resources including a brochure, installation manual, and datasheet. These downloads cover mounting recommendations, electrical connections, and field-service considerations to streamline commissioning and ensure proper protection alignment with your electrical distribution equipment.
The device protects critical loads from transient surges, reducing downtime and equipment wear. With UL 1449 certification, a 15-year warranty, and a surge counter for maintenance reporting, it lowers lifecycle costs, simplifies compliance, and supports faster ROI for facilities managing medium to large electrical distribution systems.