Eaton SPM400220Y3X Surge Protection Device - NEMA 4X
Part Number: SPM400220Y3X
Quick Summary
The Eaton SPM400220Y3X Surge Protection Device protects electrical systems from transient surges in industrial control panels. This design addresses the common challenge of unpredictable surges that cause downtime and equipment wear. It carries UL 1283, UL 1449, and CSA certifications for safety and reliability, with RoHS compliance to align with sustainability targets. The NEMA 4X enclosure supports harsh environments, while the 127/220 V Wye configuration ensures broad compatibility with standard industrial power networks. By integrating with existing electrical protection and circuit control strategies, this SPD delivers measurable uptime, safer operation, and a straightforward installation experience for engineering and procurement teams.
Product Information
Extended Description
SPM400220Y3X Eaton: Surge Protective Device, Max series, Single module, 400 kA per phase, 127/220 Wye (4W+G), Standard with surge counter, NEMA 4X with internal terminal block
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM400220Y3X
UPC
786685920665
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 1283 UL 1449 CSA Std. C22.2 No. 8-M1986
Voltage rating
127/220 Wye (4W+G)
Enclosure
NEMA 4X with internal terminal block
Type
Max series
Special features
Standard with surge counter
Feature: The SPM400220Y3X delivers 400 kA per phase surge current, providing robust protection for critical loads. Business impact: This high-energy capability minimizes equipment damage and unplanned downtime in manufacturing lines and data centers. Application: Ideal for industrial control panels and service entrances where transient events threaten uptime. Feature: NEMA 4X enclosure with an internal terminal block enhances durability and simplifies wiring. Business impact: Reduces field wiring errors and enclosure ingress risk, lowering maintenance costs. Application: Suitable for outdoor panels, damp or dusty plant areas, and harsh environments. Feature: 127/220 V Wye (4W+G) single-module configuration improves compatibility with common three-phase systems. Business impact: Streamlines installation and retrofits while maintaining safe grounding practices. Application: New builds and panel upgrades across industrial facilities. Feature: Standard with surge counter provides real-time reporting on surge activity. Business impact: Enables proactive maintenance planning and traceable protection history. Application: Compliance audits and asset management in critical systems. Feature: Certifications and RoHS compliance verify regulatory readiness and environmental responsibility. Business impact: Mitigates risk across procurement workflows and supplier audits. Application: Industrial protection programs demanding formal approvals and sustainability credentials.
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FAQs
Install the single-module SPM400220Y3X inside a suitable enclosure, connect the internal terminal block according to the wiring diagram, and confirm a proper earth ground. Use the surge counter to monitor events and ensure clear labeling for maintenance personnel. Follow OEM guidelines and local electrical codes for a compliant installation.
The device provides a 400 kA per phase surge current rating, enabling effective protection for high-energy transient events typical in manufacturing and process environments. This rating helps protect downstream equipment such as motor drives and control circuits from damaging surges.
Yes. The SPM400220Y3X uses a NEMA 4X enclosure designed for durability in harsh or outdoor environments, with an internal terminal block that simplifies field wiring while maintaining protection against dust, water, and corrosion.
The device is certified to UL 1283 and UL 1449, with CSA listing and RoHS compliance. These certifications support safety, regulatory alignment, and environmental considerations across industrial installations.
The built-in surge counter logs surge events, enabling trend analysis, proactive maintenance planning, and easier compliance reporting. This helps maintenance teams justify protection investments and schedule service when surge activity increases.