Eaton SPM400220Y3W Surge Protection Device - UL 1449
Part Number: SPM400220Y3W
Quick Summary
SPM400220Y3W is a surge protection device for protecting electrical systems in industrial facilities. Many facilities struggle with transient spikes that cause downtime, equipment damage, and maintenance headaches. Critical certifications include UL 1283, UL 1449, and CSA listing, reinforcing safety and compliance. Designed for 127/220 V Wye systems with two modules and a NEMA 4X enclosure, it supports reliable protection, easy retrofits in control panels, and built-in surge counter for maintenance planning. This combination helps facilities meet uptime targets while simplifying procurement and field installation.
Product Information
Extended Description
SPM400220Y3W Eaton: Surge Protective Device, Max series, Two modules, 400 kA per phase, 127/220 Wye (4W+G), Standard with surge counter, NEMA 4X with internal circuit breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM400220Y3W
UPC
786685920658
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 CSA Electrical Notice NO. 516 Edition 1 UL 1449 CSA Std. C22.2 No. 8-M1986
Voltage rating
127/220 Wye (4W+G)
Enclosure
NEMA 4X with internal circuit breaker
Type
Max series
Special features
Standard with surge counter
Two-module design delivers up to 400 kA per phase, providing a robust transient withstand. This modular approach simplifies field service and fault isolation, reducing downtime during maintenance. It protects critical loads such as VFDs and PLCs, making it ideal for motor control centers and feeders in manufacturing plants. 127/220 V Wye (4W+G) configuration matches common plant power systems. This alignment simplifies wiring, reduces installation time, and minimizes configuration errors. Suitable for control panels and distribution boards in production lines, especially where space and accessibility are at a premium. Enclosure is NEMA 4X with internal circuit breaker, offering weather resistance and corrosion protection. This enables outdoor and harsh environment installations without additional housing and supports simple maintenance. Ideal for outdoor substations, warehouses, and protected outdoor panels. Standard with surge counter for real-time monitoring. This supports maintenance planning and lifecycle management by tracking surge events and remaining life indicators. Used in asset-management programs and condition-based maintenance in critical facilities. RoHS-compliant design with a 15-year warranty, extendable to 20 years with registration. This supports regulatory compliance and sustainable ownership, reducing total cost of ownership. Ideal for industries with strict documentation requirements and long asset lifecycles.
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FAQs
Begin by de-energizing the panel and confirming compatibility with a 127/220 V Wye configuration. Mount the SPD in the designated module slots, wire the two modules for line and neutral connections, and verify the internal circuit breaker is correctly integrated. Follow local electrical codes and use PPE and lockout/tagout procedures to ensure safe installation.
A 400 kA per phase rating indicates the maximum surge current the device can safely absorb per phase without degradation or failure. This capability provides strong protection against lightning-induced transients and high-energy switching events, helping to preserve drives, PLCs, and other sensitive loads in industrial environments.
Yes. The unit is housed in a NEMA 4X enclosure with an internal circuit breaker, delivering weather resistance and corrosion protection. For outdoor installations, ensure proper grounding, conduit routing, and compatibility with local outdoor code requirements to maximize protection and longevity.
The SPM400220Y3W carries UL 1283 and UL 1449 certifications along with CSA listings. These standards validate safety and performance under surge conditions, reduce procurement risk, and simplify qualification for regulated environments such as manufacturing, utilities, and industrial facilities.
A built-in surge counter provides real-time event data for trend analysis, enabling proactive maintenance and replacement planning. RoHS compliance supports sustainability, and the long warranty—15 years, extendable to 20 years with registration—lowers lifecycle costs by reducing unexpected service needs and downtime in mission-critical facilities.