Eaton SPM320400Y1S Surge Protection Device - UL/CSA 320 kA

Part Number: SPM320400Y1S
Manufacturer
Eaton
Part number
SPM320400Y1S

Quick Summary

Eaton SPD MAX series surge protection device protects critical electrical systems in commercial and industrial facilities. When transient surges strike, downtime and costly equipment damage threaten uptime and profit margins. This unit carries UL 1283 and UL 1449 listings with CSA certification, plus RoHS compliance, signaling strong safety and regulatory alignment for demanding environments. Designed for 230/400 V Wye systems and a two-module configuration, it delivers reliable protection while simplifying installation and ongoing monitoring. The integrated surge counter and NEMA 4 enclosure add practical value for industrial controls, data centers, and outdoor installations, helping engineers justify protection as a clear business investment.

Product Information

Extended Description

SPM320400Y1S Eaton: Surge Protective Device, Max series, Two modules, 320 kA per phase, 230/400 Wye (4W+G), Standard with surge counter, NEMA 4 with internal circuit breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM320400Y1S
UPC
786685919362
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
UL 1283 UL 1449 CSA Std. C22.2 No. 8-M1986 CSA Electrical Notice NO. 516 Edition 1
Voltage rating
230/400 Wye (4W+G)
Enclosure
NEMA 4 with internal circuit breaker
Type
Max series
Special features
Standard with surge counter
Feature → The two-module design provides robust surge handling up to 320 kA per phase, delivering high-energy absorption for critical loads. Business Impact → Reduced risk of transient damage, extended equipment life, and lower maintenance costs. Application → Suitable for 230/400 V Wye networks in manufacturing lines, processing plants, and data centers seeking top-tier protection without frequent replacements.Feature → NEMA 4 enclosure with internal circuit breaker enhances durability and safety in harsh environments. Business Impact → Easier installation, weather resistance, and built-in circuit protection minimize field wiring complexity and service calls. Application → Outdoor pad-mounted or damp indoor locations where reliability and rapid restoration are essential.Feature → Standard surge counter enables real-time monitoring of surge events. Business Impact → Proactive maintenance scheduling and clearer asset health indicators reduce unplanned downtime. Application → Industrial controls cabinets and critical equipment rooms where traceable surge activity matters.Feature → Compliance package includes RoHS, UL 1283, UL 1449, CSA certifications. Business Impact → Regulatory alignment, safer procurement, and reduced risk during audits. Application → Control panels and electrical rooms in regulated manufacturing sectors.Feature → Clear electrical specifications and dimensions (230/400 V Wye, 9.3 in depth, 17.5 in height, 14.91 in width; 50 lb weight). Business Impact → Predictable fit in existing enclosures and straightforward space planning. Application → System upgrades and panel replacements where accurate size and mounting are critical.

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FAQs

The SPM320400Y1S is designed for 230/400 V Wye (4W+G) systems, delivering two-module protection to guard each phase against high-energy transients. Its compact footprint and NEMA 4 enclosure simplify panel integration and mounting in industrial cabinets or outdoor installations.
This model carries UL 1283 and UL 1449 listings along with CSA certification, plus RoHS compliance. These certifications validate safety, performance under surge conditions, and regulatory alignment, which helps with supplier qualification, audits, and factory acceptance testing.
Yes. The device features a NEMA 4 enclosure with an internal circuit breaker, providing weather resistance and protection against dust and moisture. This makes it suitable for outdoor installations and demanding industrial environments where reliability is critical.
Absolutely. The SPD MAX includes a surge counter to track events, enabling proactive maintenance planning and timely replacement decisions, which helps minimize unexpected outages and optimize uptime.
The unit is RoHS compliant with a robust 15-year warranty from delivery (20 years when registered on Eaton's SPD site). Regular monitoring via the surge counter supports maintenance planning, while the warranty provides long-term value and risk mitigation for larger installations.