Ultra Compact Type 2 hard wired surge protector
MSB6-24/LD
MSB6-24/LD
Part Number: 561313
  • Ultra compact type 2 (or 3) surge protector
  • 24 Vac or 24 Vdc version available
  • LED indicator
  • IP20
  • EN 61643-11, IEC 61643-11, UL1449 ed.4 compliance
CITEL_Certif_EAC_GDT+Data+ACC.pdf Installation Sheet

MSB6 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 ultra compact and economica scheme based varistors, to obtain a power flow relevant for secondary protection. The operating condition of the arrester is signaled by buzzer.

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SPD type 2 (ou 3)
Network 24 Vac - 30 Vdc
Nominal line voltage Un 24 V
Max. AC operating voltage L-N Uc 30 Vac-38 Vdc
Max. DC operating voltage Uc 38 Vdc
Temporary Over Voltage (TOV) Charasteristics - 5 sec. UT 36 Vac withstand
Temporary Over Voltage (TOV) Charasteristics - 120 mn UT 42 Vac disconnection
Operating current Ic None
Follow current If None
Nominal discharge current In 0.5 kA
Max. discharge current Imax 2 kA
Withstand on Combination waveform IEC 61643-11 Uoc 1 kV
Protection mode(s) Common/Differential mode
Protection level Up 0.18 kV
Protection level L/N Up L/N 0.18 kV
Protection level L/PE Up L/PE 0.18 kV
Protection level CM/DM Up mc/md 0.18 kV/0.18 kV
Admissible short-circuit current Isccr 3 000 A
Technology MOV+GDT
Connection to Network wires
Mounting AC outlet or screw terminal
Housing material Thermoplastic UL94-V0
Operating temperature -40/+85°C
Protection rating IP20
Failsafe mode Disconnection
Disconnection indicator Led OFF
Voltage/operating indicator Green Led ON
Dimensions See diagram
Weight 0.022 kg
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