Eaton SPM400240D1X Surge Protection Device - 400 kA per phase, NEMA 4X
Part Number: SPM400240D1X
Quick Summary
SPM400240D1X surge protection device protects electrical systems from transient surges in industrial facilities. Surges cause downtime and equipment damage, driving repair costs and project delays—this unit minimizes that risk with dependable protection. The device carries UL 1449 and CSA certifications and RoHS compliance, supporting regulatory reliability and sustainable design. Its NEMA 4X enclosure with an internal terminal block enables rugged indoor or outdoor mounting and straightforward wiring in 240 Delta (3W+G) networks. Built for the Eaton SPD MAX series, it delivers robust surge capacity in a compact footprint, helping you protect motors, drives, and control electronics while reducing maintenance cycles.
Product Information
Extended Description
SPM400240D1X Eaton: Surge Protective Device, Max series, Single module, 400 kA per phase, 240 Delta (3W+G), Basic, NEMA 4X with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM400240D1X
UPC
786685920023
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 Electrical Notice NO. 516 Edition 1 UL 1449 CSA Std. C22.2 No. 8-M1986 UL 1283
Voltage rating
240 Delta (3W+G)
Enclosure
NEMA 4X with internal terminal block
Type
Max series
Special features
Basic
Feature: 400 kA per phase surge capacity in a single module. Business Impact: Delivers high-energy transient protection to critical loads, reducing the risk of motor and drive failure and minimizing unplanned downtime. Application: Ideal for 240 Delta (3W+G) industrial networks and controller panels. Feature: NEMA 4X enclosure with internal terminal block. Business Impact: Enables rugged, weather-resistant installation with straightforward wiring and simplified field connections, lowering installation time and error potential. Application: Suitable for harsh environments and outdoor-rated electrical cabinets. Feature: RoHS compliant with UL 1449 and CSA certifications. Business Impact: Ensures regulatory compliance and safer disposal while providing proven protection performance, which lowers total cost of ownership. Application: Fits stringent industrial standards across manufacturing lines and service centers. Feature: 15-year warranty (20 years with online registration). Business Impact: Improves long-term reliability and return on investment by reducing maintenance costs and replacement cycles. Application: Large-scale facilities seeking predictable protection life for critical assets. Feature: Physical dimensions and weight (9.3 in depth, 17.5 in height, 14.91 in width, 50 lb). Business Impact: Clear placement planning and cabinet compatibility support, reducing retrofit complexity. Application: Large-control panels and power distribution centers where space planning is essential.
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FAQs
The SPM400240D1X is designed for 240 Delta (3W+G) configurations and uses a single module with an internal terminal block, simplifying wiring within standard control panels. Plan for adequate clearances around the NEMA 4X enclosure to ensure cooling and access for maintenance, and mount in a location that supports reliable grounding to optimize surge performance.
The device provides a robust 400 kA per phase surge capacity, suitable for high-energy transients common in industrial facilities. This performance helps limit voltage excursions on three-phase networks, protecting downstream motors, drives, and control electronics from damaging surges.
Yes. The SPM400240D1X carries UL 1449 and CSA certifications (including CSA Electrical Notice No. 516 and UL 1283) and is RoHS compliant, ensuring regulatory alignment and safe, sustainable operation across industrial environments.
Eaton offers a 15-year warranty from delivery, with a 20-year warranty option when registered on Eaton’s SPD site. This extended coverage reduces risk for asset protection programs and lowers long-term ownership costs by providing durable protection against surges.
Install the SPM400240D1X close to the protected loads within a properly grounded panel or service cabinet. The NEMA 4X enclosure supports indoor or outdoor mounting, and the internal terminal block simplifies wiring. Position the unit to minimize lead length to critical devices like drives and motors to optimize surge suppression effectiveness.