Eaton SPD Series 250kAIC Surge Protection Device
The Eaton SPD series surge protection device delivers industrial-grade electrical protection for three-phase 277/480V wye systems. With a robust 250kAIC interrupt rating and UL 1449 certification, this surge protection device safeguards critical equipment from voltage transients and power surges. The NEMA 1 enclosure provides reliable outdoor and indoor mounting, while the external side mount installation ensures quick deployment in demanding industrial environments.
Designed for facilities requiring dependable surge suppression, the SPD series combines proven Eaton engineering with practical installation flexibility. Whether protecting data centers, manufacturing plants, or commercial facilities, this surge protection solution delivers the performance and durability your infrastructure demands.
Key Features
- 250kAIC interrupt rating for maximum fault protection
- 277/480V wye (4-wire + ground) voltage configuration
- UL 1449 certified surge suppression performance
- Integrated surge counter for maintenance tracking
- NEMA 1 enclosure for indoor/outdoor applications
- External side mount installation design
- Operating voltages: 320V L-N, 320V L-G, 320V N-G, 640V L-L
- Industrial-grade reliability and long service life
Technical Specifications
| Specification |
Value |
| Manufacturer |
Eaton |
| Part Number |
SPD250480Y3K |
| Product Series |
SPD Series |
| Interrupt Rating |
250kAIC |
| Voltage Rating |
277/480V Wye (4W+G) |
| Operating Voltage L-N |
320V |
| Operating Voltage L-G |
320V |
| Operating Voltage N-G |
320V |
| Operating Voltage L-L |
640V |
| Enclosure Type |
NEMA 1 |
| Installation Method |
External Side Mount |
| Certification |
UL 1449 |
| Features |
Surge Counter, Standard Package |
Frequently Asked Questions
What is the surge protection device rating for the Eaton SPD series?
The Eaton SPD series surge protection device features a 250kAIC interrupt rating, providing robust protection against high-energy transients and fault conditions in three-phase industrial systems.
Can this surge protection device be installed outdoors?
Yes, the NEMA 1 enclosure design supports both indoor and outdoor installations. The external side mount configuration allows flexible placement on equipment racks, panels, or wall-mounted applications.
What voltage systems does this SPD series device protect?
This surge protection device is rated for 277/480V wye (4-wire + ground) configurations with operating voltages of 320V line-to-neutral, 320V line-to-ground, 320V neutral-to-ground, and 640V line-to-line.
How do I monitor surge events on this protection device?
The integrated surge counter tracks suppression events, allowing maintenance teams to monitor the device's activity and plan replacement schedules based on actual surge exposure.
