UL TYPE 1 SPD - Imax 75kA - In 20kA - Modular

DS74US-277Y
Part Number: 32144455
DS74US-277Y
  • Multi-MOV Technology
  • UL1449 Type 1 LISTED
  • 75kA Surge Current Rating per module
  • Visual fault indicator and remote contacts
  • 10-Year warranty
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POWER SPD TYPE UL1449 TYPE 1 LISTED
VOLTS (V) 480/277
AC/DC/DC PV/RF AC
AMPS (A) n/a
AMBIENT MIN (C) -40
AMBIENT MAX (C) +85
VPR (V) 2500/1500/2500/1000
MCOV (V) 920/460/880/420
IN (kA) 20
SCCR (kA) 200
IMAX (kA) 75
RELATIVE HUMIDITY (%) 95%
TECHNOLOGY Multi-MOV
CONNECTION METHOD Screw Terminal (4-14AWG)
MOUNTING DIN RAIL
MATERIAL Thermoplastic UL94-V0
NEMA RATING (IP RATING) NEMA 2 (IP20)
FAIL-SAFE BEHAVIOR Yes, no upstream over current protection required
REAL-TIME DIAGNOSTICS Visual indicator and remote contacts
DIMENSIONS See diagram (mm)
UL STANDARD UL1449 5th Edition
UL CATEGORY VZCA, VZCA7
UL FILE NUMBER E326289
STANDARDS NOM-003-SCFI-2014, NOM-001-SCFI-1993
ENVIRONMENTAL STANDARDS ROHS