Eaton SPM400240D3T SPD MAX - UL 1449 Listed Surge
Part Number: SPM400240D3T
Quick Summary
The Eaton SPD MAX series surge protection device, SPM400240D3T, protects electrical systems from transients in industrial facilities. Rapid surges can cause equipment damage, unexpected downtime, and escalating repair costs that disrupt production schedules. The protection is backed by UL 1449 and UL 1283 certifications along with CSA listings, giving confidence in panel safety and performance. With a NEMA 4 enclosure, internal terminal breaker, and a surge counter, the unit delivers reliable protection while simplifying installation and compliance across manufacturing, data centers, and critical facilities. This translates into measurable uptime gains and reduced energy waste for plants and infrastructure across facilities.
Product Information
Extended Description
SPM400240D3T Eaton: Surge Protective Device, Max series, Single module, 400 kA per phase, 240 Delta (3W+G), Standard with surge counter, NEMA 4 with internal terminal breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM400240D3T
UPC
786685920788
Product Length/Depth
9.3 in
Product Height
17.5 in
Product Width
14.91 in
Product Weight
50 lb
Warranty
15 years from the date of delivery (20 years when registered on www.eaton.com/spd)
Compliances
RoHS Compliant
Certifications
CSA Std. C22.2 No. 8-M1986 UL 1283 CSA Electrical Notice NO. 516 Edition 1 UL 1449
Voltage rating
240 Delta (3W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Standard with surge counter
Feature: The 400 kA per phase surge capability paired with a 240 Delta (3W+G) rating provides robust transient energy handling, reducing the risk of downstream equipment damage and unplanned downtime in manufacturing line panels. Business Impact: Enhanced protection minimizes unplanned outages, extends motor and drive life, and lowers maintenance costs. Application: Ideal for three-wire plus ground delta systems in industrial panels and process controls. Feature: Standard with a surge counter enables real-time monitoring of events and trend analysis. Business Impact: Enables predictive maintenance and better asset management, improving uptime and planning. Application: Suitable for panel boards servicing critical automation loops and data centers. Feature: NEMA 4 enclosure with internal terminal breaker simplifies installation, wiring, and environmental protection. Business Impact: Reduces field wiring errors, speeds commissioning, and improves installer safety. Application: Effective in wet, dusty, or harsh factory environments and outdoor-rated panel installations. Feature: RoHS compliance and multi-agency certifications (UL 1449, UL 1283, CSA) provide regulatory alignment. Business Impact: Supports compliance programs, procurement standardization, and risk mitigation. Application: Fits industrial equipment fleets requiring formal certification traceability and supplier reliability. Feature: Long warranty—15 years (20 years with online registration)—helps reduce total cost of ownership. Business Impact: Lower lifecycle costs and predictable budgeting for maintenance and risk reduction. Application: Suitable for long-term protection in manufacturing plants, utilities, and infrastructure projects.
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FAQs
The SPM400240D3T is designed for panel-board installations with a three-phase delta (240V) configuration plus ground. It features an internal terminal breaker for streamlined wiring and a NEMA 4 enclosure to protect against dust and moisture. Installation typically involves mounting in a compatible panel, connecting the three phase inputs and the ground, and verifying the surge counter monitoring is active. This arrangement minimizes wiring errors and accelerates commissioning while ensuring reliable protection for critical automation circuits.
The SPM400240D3T delivers 400 kA per phase surge protection with a 240 Delta (3W+G) voltage rating. This combination provides robust energy handling for high-energy transients common in industrial environments, reducing the risk of damage to motors, drives, and control electronics and helping to prevent cascading failures in process lines.
Yes. The device is specified for 240 Delta (3W+G) systems and comes in a NEMA 4 enclosure, which is designed to withstand moisture, dust, and harsh factory conditions. The internal terminal breaker further simplifies wiring and protection within rugged panels, making it a practical choice for manufacturing, water treatment, and utility infrastructure projects.
The SPM400240D3T holds UL 1449 and UL 1283 certifications along with CSA listings. These certifications validate safe operation, electrical isolation, and reliability of surge protection devices in control panels. Compliance with these standards supports safe installation, supplier qualification, and regulatory adherence across industrial facilities.
The SPM400240D3T comes with a 15-year warranty from delivery, extending to 20 years when registered on Eaton’s SPD site. This long-term coverage reduces maintenance risk and replacement costs, contributing to a lower total cost of ownership by decreasing downtime and providing predictable budgeting for power protection.