Basic

DA-275 V/1S+1

Order number: A01975

pluggable module, visual fault signalling, module locking, remote fault signalling

  • combination of varistor SPD and encapsulated spark gap, connected in the 1+1 mode
  • installation to LV installations, close to protected equipment
  • for protection of the equipments against impact of induced overvoltages during a lightning strike or switching overvoltages

Technical parameters

Parameter name Parameter value
Type of SPD T3
Mounting DIN rail 35 mm
Nominal voltage Un 230 V AC
Maximum operating voltage L-N Uc 275.00 V AC
Maximum operating voltage N-PE Uc 255.00 V AC
Type of network TT
Maximum overcurrent protection 63 A gL/gG
Short-circuit current rating ISCCR 25.0 kA
Nominal discharge current (8/20 µs) L-N In 5.00 kA
Nominal discharge current (8/20 µs) N-PE In 10.00 kA
Test voltage L-N Uoc 10.0 kV
Test voltage N-PE Uoc 20.0 kV
Voltage protection level mode L-N Up 1.00 kV
Voltage protection level mode L-PE Up 1.50 kV
Voltage protection level mode N-PE Up 1.50 kV
Response time L-N ta 25 ns
Response time N-PE ta 100 ns
TOV 5 s L-N 335 V
TOV characteristic (TOV 5 s) withstand
TOV 120 min L-N 440 V
TOV characteristic (120 min) safe failure
TOV 200 ms L-PE 1 455 V
TOV 200 ms N-PE 1 200 V
TOV characteristic (TOV 200 ms) safe failure
Cross-section of connected conductors solid (min) 1.00 mm2
Cross-section of connected conductors solid (max) 35.00 mm2
Cross-section of connected conductors stranded (min) 1.00 mm2
Cross-section of connected conductors stranded (max) 25.00 mm2
Cross-section of remote indication conductors solid (max) 1.5 mm2
Cross-section of remote indication conductors stranded (max) 1.5 mm2
Fault indication L-N red indication field
Fault indication N-PE no
Remote indication potential-free change-over contact
Remote indication contacts 250V/0,5A AC,250V/0,1A DC
Degree of protection IP 20
Range of ambient temperatures (min/max) -40 / 80 °C
Humidity 5 - 95 %
According to standard EN 61643-11:2012, IEC 61643-11:2011
ETIM Class EC000942
Customs tariff number 85363030
EAN 8595090519751

Files for download

  • Product dimensions

  • Basic circuit diagram