Eaton SPM320240S1W SPD MAX surge protection - UL 1449
Part Number: SPM320240S1W
Quick Summary
The Eaton SPM320240S1W SPD MAX surge protection device provides robust surge protection for 120/240 V panels in industrial environments. Designed to reduce nuisance tripping and downtime, it withstands high-energy surges and protects critical equipment. UL 1283 and UL 1449 listings with CSA certifications and RoHS compliance align the unit with safety and regulatory standards. The rugged two-module design includes a built-in surge counter and a NEMA 4X enclosure with an internal circuit breaker for easy installation and maintenance. With a 15-year warranty (20 years when registered), it offers long-term asset protection and reduces ongoing maintenance costs. Its 320 kA per phase rating provides durable protection against diverse industrial transients.
Product Information
Extended Description
SPM320240S1W Eaton: Surge Protective Device, Max series, Two modules, 320 kA per phase, 120/240 split phase, Standard with surge counter, NEMA 4X w/ internal circuit breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM320240S1W
UPC
786685919065
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 Std. C22.2 No. 8-M1986 CSA Electrical Notice NO. 516 Edition 1 UL 1449
Voltage rating
120/240 V
Enclosure
NEMA 4X with internal circuit breaker
Type
Max series
Special features
Standard with surge counter
Feature: 320 kA per phase surge capability provides elevated energy absorption to shield downstream equipment. Business Impact: minimizes equipment damage, reduces downtime, and lowers replacement costs. Application: ideal for 120/240 V split-phase panels in manufacturing lines and data centers. Feature: Two-module SPD MAX configuration delivers scalable protection while preserving service continuity. Business Impact: easier sizing for diverse loads and simplified maintenance. Application: suitable for mid-to-large panel expansions and retrofit projects. Feature: NEMA 4X enclosure with internal circuit breaker and a standard surge counter. Business Impact: rugged, weather-resistant protection with visible surge activity and safer, straightforward servicing. Application: outdoor or harsh environments such as warehouses or machine rooms. Feature: Compliance and certifications including UL 1283, UL 1449, CSA, and RoHS. Business Impact: regulatory confidence and reduced risk of non-conformance. Application: procurement-ready for regulated facilities. Feature: Compact footprint with documented dimensions (9.3 in L, 14.91 in W, 17.5 in H) and 50 lb weight, plus a warranty ranging from 15 to 20 years. Business Impact: easier installation planning and long-term asset protection. Application: retrofit and new installations in controlled environments requiring reliable protection.
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FAQs
Install the two-module SPD MAX unit in a compatible protection panel rated for 120/240 V split-phase systems. Mount the enclosure on a suitable backplane, connect the line and load conductors per the Eaton installation guide, and ensure the internal circuit breaker is engaged. Use the built-in surge counter for tracking events and verify proper wiring with a qualified electrician.
The device delivers up to 320 kA per phase protection against transient surges. It is designed for 120/240 V split-phase systems and features a two-module configuration for scalable protection while maintaining service continuity in critical feeders.
Yes, the SPM320240S1W is part of Eaton’s SPD MAX family designed for 120/240 V split-phase installations. Its two-module design and NEMA 4X enclosure support both new installations and retrofits, enabling straightforward integration into current protection schemes without extensive cabinet changes.
The unit carries UL 1283 and UL 1449 listings, CSA certifications, and RoHS compliance. This combination supports regulatory compliance, safer procurement, and reduced risk during audits and inspections.
By reducing nuisance trips and protecting critical loads, the SPM320240S1W lowers downtime, extends equipment life, and decreases replacement costs. The standard surge counter provides actionable data for preventive maintenance, enabling better capital planning and predictable total cost of ownership.