Eaton SPM320400Y3W Surge Protection Device - NEMA 4X
Part Number: SPM320400Y3W
Quick Summary
The Eaton SPM320400Y3W surge protection device protects 230/400 V industrial panels from transient surges. This helps prevent equipment downtime and costly faults caused by voltage spikes that can damage controllers, drives, and sensors. Key certifications include CSA Std. C22.2 No. 8-M1986, UL 1283, and UL 1449, ensuring safety and performance in demanding environments. With RoHS compliance and a durable NEMA 4X enclosure, plus an internal circuit breaker, it combines reliable protection with easy installation for retrofit or new builds. The 15-year warranty (20 years when registered) reflects Eaton's confidence in long-term performance, while compatibility with the SPD MAX family supports scalable protection for growing facilities.
Product Information
Extended Description
SPM320400Y3W Eaton: Surge Protective Device, Max series, Two modules, 320 kA per phase, 230/400 Wye (4W+G), Standard w/ surge counter, NEMA 4X with internal circuit breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM320400Y3W
UPC
786685919782
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
230/400 Wye (4W+G)
Enclosure
NEMA 4X with internal circuit breaker
Type
Max series
Special features
Standard with surge counter
Feature: The two-module design delivers up to 320 kA per phase, offering high surge immunity for demanding electrical networks. Business Impact: This reduces nuisance trips and maintenance costs while protecting critical equipment. Application: Ideal for motor drives, PLC cabinets, and control panels in industrial automation lines. Feature: 230/400 V Wye (4W+G) configuration and a NEMA 4X enclosure with internal circuit breaker. Business Impact: Enhances safety and simplifies installation in harsh environments, reducing field wiring time. Application: Suitable for outdoor enclosures or damp plant areas where ingress protection is essential. Feature: Standard with surge counter. Business Impact: Improves maintenance planning with real-time visibility into surge events, supporting proactive service. Application: Plant-wide protection programs and asset management. Feature: RoHS compliant with robust certifications and a long warranty. Business Impact: Ensures regulatory compliance and lowers total cost of ownership through extended service life. Application: Compliance-driven projects and retrofit programs across facilities. Feature: Compact footprint with defined dimensions and weight (9.3 in L × 14.91 in W × 17.5 in H; 50 lb). Business Impact: Facilitates retrofit into existing panels and reduces installation time while preserving space planning. Application: Panels with limited mounting depth or footprint constraints in manufacturing environments.
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FAQs
For new panels, mount the SPM320400Y3W in a suitable enclosure with a NEMA 4X rating. Plan for the two-module design and ensure space for the 9.3 in length, 14.91 in width, and 17.5 in height, plus the 50 lb weight. Connect to the 230/400 V Wye system and utilize the internal circuit breaker for integrated protection.
Key specs include two modules with a total of 320 kA per phase surge capacity, voltage rating of 230/400 V Wye (4W+G), and a NEMA 4X enclosure with an internal circuit breaker. It also features a standard surge counter and RoHS compliance, aligning with modern safety and environmental standards.
Yes. The enclosure is NEMA 4X rated, designed to resist dust, water, and harsh conditions, and the internal circuit breaker adds an extra layer of protection. This makes it suitable for outdoor panels, damp locations, or plant areas with challenging environmental factors.
The device is certified to CSA Std. C22.2 No. 8-M1986, UL 1283, and UL 1449, with RoHS compliance. These certifications ensure safety, performance, and regulatory alignment for industrial installations.
By reducing surge-related failures and downtime, extending component life, and simplifying maintenance with a built-in surge counter, this SPD lowers total cost of ownership. The 15-year warranty (20 years with registration) further enhances ROI by providing long-term support and reliability for critical equipment.