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Compact Type 2+3 hard wired surge protector

MSB10-24
Part Number 561321
MSB10-24
  • Compact type 2 and 3 surge protector
  • For 24 Vac powerline
  • No leakage current
  • Wall mounting and hard wired connection
  • Failsafe behaviour : SPD disconnection + Light indicator off
  • IP65
  • EN 61643-11 and IEC 61643-11 compliance
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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
 24 V single-phase
AC system
 TT-TN
Nominal line voltage
 Un 24 Vac
Max. AC operating voltage
Uc 30 Vac
Operating current
Continious current at Uc
 Ic None
Follow current
If None
Nominal discharge current
15 x 8/20 µs impulses
 In 1 kA
Max. discharge current
max. withstand @ 8/20 µs by pole
 Imax 2 kA
Withstand on Combination waveform IEC 61643-11
Class III test: 1.2/50µs - 8/20µs
 Uoc 3 kV
Protection mode(s)
 Common/Differential mode
Protection level L/N
@ In (8/20µs)
 Up L/N 200 V
Protection level L/PE
@ In (8/20µs)
 Up L/PE 200 V
Admissible short-circuit current
 Isccr 10 000 A
Technology
 MOV+GDT
Connection to Network
 Wires
Mounting
 Wall or plate
Housing material
 Thermoplastic UL94 V-0
Operating temperature
 Tu -40/+85°C
Protection rating
 IP20
Failsafe mode
 Disconnection from AC network
Disconnection indicator
 Green LED OFF
Voltage/operating indicator
 Green Led ON
Dimensions
 See diagram
Standards compliance
 IEC 61643-11 / EN 61643-11
Certification
Thermal disconnector
 Internal
Installation ground fault breaker
 Type 'S' or delayed