Type 2 AC surge protector - 3-phase
DAC40CS-40-440
DAC40CS-40-440
Part Number: 821510422
  • Compact, multipole type 2 or 3 spd
  • Conductivity per pole: In= 20 kA; Imax= 40 kA
  • Protection modes - common and/or differential
  • Safe disconnect device
  • Transverse / longitudinal voltage protection
  • Energetically coordinated
  • Pluggable protection module
  • Remote signalling
  • Conforms to IEC 61643-11 / EN 61643-11
  • Approved according to UL1449 ed.4

The DAC40CS series are compact type 2 or type 3 surge protection devices designed to protect single or multi-phase systems. They are equipped with a pluggable protection module and are designed for DIN rail mounting. The DAC40CS series are available for supply voltages of 120V, 230V or 400V and all common mains types (TN, TNC, TNS, TT). The protection circuit consists of high performance varistors with a thermal break and error signaling. A potential-free contact serves for the connection of a remote signaling.


SPD type 2
Network 230/400 V
AC system IT
Max. AC operating voltage L-N Uc 440 Vac
Temporary Over Voltage (TOV) Charasteristics - 5 sec. UT 580 Vac withstand
Temporary Over Voltage (TOV) Charasteristics - 120 mn UT 770 Vac disconnection
Residual Current Ipe < 1 mA
Follow current If None
Nominal discharge current In 20 kA
Max. discharge current Imax 40 kA
Total Maximal discharge current Imax Total 160 kA
Protection mode(s) L/PE and N/PE
Protection level N/PE Up N/PE 1.8 kV
Protection level L/PE Up L/PE 1.8 kV
Admissible short-circuit current Isccr 10 000 A
Technology MOV
SPD configuration 3-phase+Neutral
Connection to Network by screw terminals: L/N = 1.5-10mm² (16mm² rigid) or PE = 2.5-25mm² (35 mm² rigid)
Format Plug-in modular box
Mounting Symmetrical rail 35 mm (DIN 60715)
Housing material Thermoplastic UL94-V0
Operating temperature Tu -40/+85°C
Protection rating IP20
Failsafe mode Disconnection from AC network
Disconnection indicator 2 mechanical indicators - Green/Red
Spare module(s) MDAC40C-40-440
Remote signaling of disconnection Output on changeover contact
Wiring for remote signaling 1.5 mm² max.
Max. Voltage/Current for remote signaling 250 V / 0.5 A (AC) / 30 V / 3 A (DC)
Dimensions See diagram - 2TE (EN43880)
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 4ed.
Certification KEMA / EAC
Thermal disconnector Internal
Installation ground fault breaker Type 'S' or delayed
Fuses 50 A mini. - 125 A max. - Fuses Type gG