DAC103US-277Y/NN Citel Type 1 Surge Protector, 277/480 V 3PH Wye, 100 kA DIN Rail
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The Citel DAC103US-277Y/NN is a Type 1 surge protective device for 277/480 V 3PH wye circuits, DIN rail mounting, with Imax 100 kA and In 20 kA. It is UL1449 Type 1 Listed. Applied Control is the Citel representative for Michigan and Indiana. Send the part number, or the one-line and the circuit it protects, and the quote comes back the same business day.
Surge protective device for AC power distribution with pluggable/replaceable modules, visual fault indicator, remote contacts, and 10-year warranty.
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DAC103US-277Y/NN specifications
| Model | DAC103US-277Y/NN |
| Citel item number | 55110109 |
| Series | DAC100US |
| SPD type | UL1449 Type 1 |
| Listing | UL1449 Type 1 Listed |
| Nominal voltage | 277/480, 120/208, 240/415, 240V |
| Configuration | 3-phase, 3-wire plus ground, no neutral; wye configuration |
| Modes of protection | L-L, L-G |
| MCOV | 770/385V |
| VPR | 2000/1200V |
| In, nominal discharge current | 20 kA |
| Imax | 100 kA |
| SCCR | 200 kA |
| Mounting | DIN rail |
| Enclosure rating | NEMA 2 (IP20) |
| Weight | 0.83 lbs |
| Remote contact | Visual indicator and remote contacts |
| Modules | Pluggable/Replaceable Modules |
| Operating temperature | -40 C to +85 C |
| Warranty | 10 years |
Specifications from the Citel product page for DAC103US-277Y/NN. Confirm against the current datasheet before installation.
Citel datasheet for DAC103US-277Y/NN (PDF)
Selecting the right SPD
Match the SPD type to the location first. A Type 1 device can sit on the line side of the service disconnect; a Type 2 cannot. Then match the system voltage and configuration, because the configuration sets the modes of protection. Check MCOV against the actual line voltage, and use VPR to judge what the connected equipment sees. In is the repeat rating, Imax is the single shot rating; size on In. Send the one-line and we will pick the model with you. See the data center component map for where SPDs land in a facility.
Cross reference
Have an Eaton, Siemens, Square D, ABB, Phoenix Contact, Mersen or Littelfuse surge protector part number? Send it with the system voltage and we will cross it to the matching Citel model.
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Eaton, Siemens, Square D, ABB, Phoenix Contact, Mersen and Littelfuse are trademarks of their respective owners. Applied Control Inc. is not affiliated with these companies. Competitor names appear only to identify products for comparison.