UL TYPE 4CA - Imax 40kA - In 20kA - Modular
DS44S-120
DS44S-120
Part Number: 461622

Type 2 AC Multipolar surge protector

  • In : 20 kA
  • Imax total : 40 kA
  • Pluggable module for each phase
  • Remote signaling option
  • NF EN 61643-11, CEI 61643-11 complianc



SPD type 2
Total Maximum discharge current Imax Total 160 kA
POWER SPD TYPE UL1449 TYPE 4CA
VOLTS (V) 240/120
AC/DC/DC PV/RF AC
PHASE (PH) 3Y
AMPS (A) n/a
AMBIENT MIN (C) -35
AMBIENT MAX (C) +60
MODES L-L, L-N, L-G, N-G
MLV (V) 1960/-/1240/-
MCOV (V) 300/-/150/-
IN (kA) 20
SCCR (kA) n/a
Technology MOV
Dimensions See diagram
TECHNOLOGY MOV
NETWORK CONFIGURATION 3PH, 4W+G, Wye
CONNECTION METHOD Screw Terminal (8-12AWG)
MOUNTING DIN RAIL
MATERIAL Thermoplastic UL94-V0
NEMA RATING (IP RATING) NEMA 2 (IP20)
FAIL-SAFE BEHAVIOR Disconnection via fuse-link
REAL-TIME DIAGNOSTICS Visual indicator and remote contacts
DIMENSIONS See diagram
WEIGHT 1.20 lbs
SPARE PART DSM40-120
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 4ed.
UL STANDARD UL1449 4th Edition
UL CATEGORY VZCA2, VZCA8
UL FILE NUMBER E326289
STANDARDS NOM-003-SCFI-2014, NOM-001-SCFI-1993
ENVIRONMENTAL STANDARDS ROHS
Wiring type Screw
Solid wire cross section mm² 2.5 mm²
Solid Wire cross section mm² 35 mm²
Stranded Wire cross section mm² 2.5 mm²
Stranded wire cross section mm² 25 mm²
Wire gauge AWG 13 AWG
Wire gauge AWG 2 AWG
Torque Nm 2.0 - 2.5
Torque in-lbs 17.8 - 22.1
Strip Length mm 13 mm
Strip Length in 0.5 in
Operating Temperature °C -40 °C
Operating Temperature °C 85 °C
Operating Temperature °F -40 °F
Operating Temperature °F 85 °F
Operating Relative Humidity %RH 95
Operating Altitude m 2000 m
Operating Altitude Ft 6500 Ft
Housing/Enclosure material Thermoplastic
Flammability rating V0
Mounting Din Rail
IP Environmental rating IP20
NEMA Environmental rating NEMA 1
Installation Location Indoor
Spare part Module
Product Dimension mm 99 mm
Product Dimension mm 67 mm
Product Dimension mm 72 mm
Product Dimension In 3.89 In
Product Dimension In 2.64 In
Product Dimension In 2.84 In
Individual Pack Yes
Storage Temperature °C -40 °C
Storage Temperature °C 85 °C
Storage Temperature °F -40 °F
Storage Temperature °F 85 °F
Storage Relative Humidity %RH 95 %RH
Waranty 10 Years