Eaton SPM400240D1T SPD Max - 240 Delta, 400 kA, NEMA 4
Part Number: SPM400240D1T
Quick Summary
The Eaton SPD MAX surge protection device guards critical electrical systems from transient surges in industrial and commercial power networks. In real-world projects, protection must install quickly without compromising uptime, and costly downtime is the last thing engineers need. This model delivers UL 1449 and UL 1283 safety certifications and CSA standards, with a robust 240 Delta (3W+G) voltage rating and a 400 kA per-phase capability, all housed in a NEMA 4 enclosure for harsh environments. RoHS compliance further aligns with modern procurement requirements. By combining strong protection with easy installation and long warranty, this SPD helps maximize equipment life while reducing maintenance costs and service interruptions.
Product Information
Extended Description
SPM400240D1T Eaton: Surge Protective Device, Max series, Single module, 400 kA per phase, 240 Delta (3W+G), Basic, NEMA 4 with internal terminal breaker
Product Name
Eaton SPD MAX series surge protection device
Catalog Number
SPM400240D1T
UPC
786685919980
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 1449 UL 1283 CSA Std. C22.2 No. 8-M1986 CSA Electrical Notice NO. 516 Edition 1
Voltage rating
240 Delta (3W+G)
Enclosure
NEMA 4 with internal terminal breaker
Type
Max series
Special features
Basic
High-capacity per-phase protection provides a robust defense against transient surges, minimizing downstream equipment damage and unplanned downtime. The 400 kA per-phase rating translates to higher margin during extreme events, reducing replacement costs and maintenance frequency. This capability is crucial for data centers, manufacturing lines, and process controls where power quality directly affects yield and uptime. NEMA 4 enclosure with internal terminal breaker supports vertical mounting in harsh environments and allows faster installation, reducing field wiring complexity. This design helps keep protection in place even in washdown or outdoor installations, while the internal breaker simplifies wiring and serviceability, lowering commissioning time. Voltage rating of 240 Delta (3W+G) aligns with many industrial power systems, enabling straightforward integration with existing panels and transformers. Being a single module simplifies both procurement and installation across multiple feeders, helping standardize protection across a facility. Long warranty reinforces long-term reliability expectations; 15 years by default, extending to 20 years with registration. This translates to lower ownership cost and predictable maintenance budgeting. Compliance with RoHS, UL 1449, UL 1283, and CSA standards reduces regulatory risk and supports audit readiness. The sturdy, single-module design also contributes to easier stocking and faster replacement in maintenance corridors.
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FAQs
The SPM400240D1T is designed for 240 Delta (3W+G) three-phase systems and fits typical industrial power distribution setups. Its NEMA 4 enclosure supports indoor and outdoor installations, simplifying integration across panels and switchgear.
Key specs include 400 kA per-phase surge protection, voltage rating 240 Delta (3W+G), catalog number SPM400240D1T, dimensions 9.3 in L x 17.5 in H x 14.91 in W, weight 50 lb, and a NEMA 4 enclosure with an internal terminal breaker. Certifications include UL 1449, UL 1283, and CSA standards.
Yes. The unit uses a NEMA 4 enclosure designed for wet and dusty environments, providing protection for outdoor or harsh indoor locations while maintaining reliable surge protection performance.
It carries UL 1449 and UL 1283 safety certifications and CSA standards, with RoHS compliance. These certifications support compliance programs, audits, and reliable marketplace acceptance for industrial protection configurations.
With a 400 kA per-phase rating, long warranty (15 years, 20 with registration), and a rugged NEMA 4 enclosure, the SPD reduces unplanned downtime and maintenance costs by protecting critical equipment, leading to a lower total cost of ownership over the asset life.