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Eaton’s Innovative Technology PX series is a UL 1449 5th Edition-listed surge protective device that provides reliable, cost-effective surge protection. This Type 1 SPD is capable of being installed on either the line or load side of the service entrance disconnect and can be used as a replacement for devices formerly known as secondary surge arresters or lightning arresters, which could not be manufactured after UL 1449 5th Edition went into effect on September 29, 2009. The unit is available in many common voltages and configurations. Multiple mounting options coupled with a compact footprint enables installation of the PX in a wide range of applications, including panelboards, loadcenters, pump panels, control cabinets, other electrical assemblies and applications, transfer switches and generators.
Description |
Ratings |
| Surge current capacity per phase | 50 kA, 75 kA |
| Nominal discharge current (In) | 20 kA for 1S101, SY101, 3Y201, NN201 and NN40010 10 kA for 3Y300 and NN501 |
| Short-circuit current rating (SCCR) | 200 kA |
| SPD type | Type 1 (can also be used in Type 2 applications) |
Single split-phase system voltages available (Vac) |
120/240 |
| Three-phase wye system voltages available (Vac) | 120/208, 277/480, 347/600 |
| Three-phase delta system voltages available (Vac) | 240, 480, 600 |
| Single split-phase and three-phase wye protection modes | L-N, L-L |
| Three-phase delta protection modes | L-G, L-L |
| 1S101 and 3Y101 maximum continuous operating voltage (MCOV) | 150 L-N, 300 L-L |
| 3Y201 MCOV | 320 L-N, 640 L-G |
| 3Y300 MCOV | 420 L-N, 840 L-G |
| NN201 MCOV | 300 L-G, 300 L-L |
| NN400 MCOV | 640 L-G, 640 L-L |
| NN501 MCOV | 840 L-G, 840 L-L |
| Input power frequency | 50/60 Hz |
| Enclosure rating | NEMA 4 |
| Operating temperature | –20 °C to +50 °C (–4 °F to +122 °F) |
| Operating humidity | 5–95%, noncondensing |
| Operating altitude | Up to 16,000 ft (5000 m) |
| Agency certification and approvals | UL 1449 5th Edition |
| Warranty | 2 years |
| Protection mode | |||
| L-N | L-G | L-L | Voltage configuration |
| 600 | N/A | 1000 | 1S101 |
| 600 | N/A | 1000 | 3Y101 |
| 1200 | N/A | 2000 | 3Y201 |
| 1500 | N/A | 2500 | 3Y300 |
| N/A | 1000 | 1000 | NN201 |
| N/A | 2000 | 2000 | NN400 |
| N/A | 2500 | 2500 | NN501 |
Support from Eaton
Contact the Eaton technical resource team
Phone: (800) 809-2772, option 5, option 2
Or send us an email.
