Compact Type 2+3 hard wired surge protector

MSB10-400 DE
MSB10-400 DE
Part Number: 56120120
  • Compact type 2 (or 3) surge protector
  • Wall mounting and hard wired connection
  • Status indicators
  • IP66
  • EN 61643-11 and IEC 61643-11 compliance

MSB10 surge protectors Type 2 (or 3) are designed for effective protection of sensitive equipment, in addition to the surge protector installation (coordination surge protector). These surge protectors utilize a compact and economica scheme based varistors, to obtain a power flow relevant for secondary protection.


SPD type 2+3
Network 230 V single-phase
AC system TT-TN
Nominal line voltage Un 230 V
Max. AC operating voltage Uc 277 Vac
Temporary Over Voltage (TOV) Charasteristics - 5 sec. UT 335 Vac withstand
Temporary Over Voltage (TOV) Charasteristics - 120 mn UT 440 Vac disconnection
Operating current Ic None
Follow current If None
Nominal discharge current In 5 kA
Max. discharge current Imax 10 kA
Withstand on Combination waveform IEC 61643-11 Uoc 10 kV
Withstand on overvoltages IEEE C62.41.1 10 kV / 10 kA
Protection mode(s) Common/Differential mode
Protection level Up 1.5 kV
Protection level L/N Up L/N 1.5 kV
Protection level L/PE Up L/PE 1.5 kV
Protection level CM/DM Up mc/md 1.5 kV / 1.5 kV
Admissible short-circuit current Isccr 10 000 A
Technology MOV+GDT
Connection to Network screw terminal
Mounting Wall or plate
Housing material Thermoplastic UL94 V-0
Operating temperature Tu -40/+85°C
Protection rating IP20
Failsafe mode Disconnection and AC line cut-off
Disconnection indicator Green led OFF
Voltage/operating indicator Green Led ON
Dimensions See diagram
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 4ed.
Certification UL / EAC / TUV
Thermal disconnector Internal
Installation ground fault breaker Type 'S' or delayed