Description
277/480V, 3-Phase, 3W+G Surge Protection
■ Prewired complete unit without the need for additional overcurrent protection devices
■ High discharge capacity due to heavy-duty zinc oxide varistors (Imax 50 kA 8×20µs)
■ Short circuit current rating (SCCR) 200 kA
■ ANSI/UL 1449 – 3rd Ed. recognized
DIN rail mount, pluggable surge arrester consisting of a base part and plug-in protection modules for application in 3 Phase Wye electrical systems
| Type | DG MU 3PY 480 3W+G |
| Part No. | 908 314 |
| SPD classification acc. to ANSI/UL 1449 3rd Ed. | Type 1 Component Assembly |
| SPD classification acc. to CSA – C22.2 No. 8-13, – Electrical Notice No. 516″ | Type 2 Component Assembly |
| Nominal System Voltage [L-G] / [L-L] (UN) | 277 V a.c. / 480 V a.c. |
| Nominal Power System Frequency | 50 / 60 Hz |
| Max. Continuous Operating Voltage [L-G] / [L-L] (MCOV) | 385 V a.c. / 770 V a.c. |
| Nominal discharge current (8×20μs) (In) | 20 kA |
| Maximal discharge current (8×20μs) (Imax) | 50 kA |
| Voltage Protection Rating [L-G] / [L-L] (VPR) | 1200 Vpk / 2500 Vpk |
| Additional Overcurrent Protection | Not needed |
| Short Circuit Current Rating (SCCR) | 200 kA |
| System Type | 3 Phase Wye |
| Operating Temperature Range (TU) | -40°C…+80°C |
| Visual Arrester Status (non power consuming design) | Green = Good ; Red = Replace Module |
| Minimum Wire Size | 14 AWG / 2.5 mm2 |
| Maximum Wire Size | 4 AWG / 25 mm2 |
| Terminal Torque Ratings | 35-45 Lbs-in |
| Mounting | 35 mm DIN rails acc. to EN 60715 |
| Enclosure material | thermoplastic, red, UL 94 V-0 |
| Degree of protection | IP 20 |
| Capacity | 3 module(s), DIN 43880 |
| Approvals | UL, CSA |
| Weight | 339 g |
| Customs tariff number | 85363030 |
| GTIN | 4013364148703 |
| PU | 1 pc(s) |
We reserve the right to introduce changes in performance, configuration and technology, dimensions, weights and materials in the course of technical progress. The figures are shown without obligation.
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