Hard-wired AC surge protector 3-phase+N

M50F-120Y-A
Part Number 750101
M50F-120Y-A
  • Hard-wired AC surge protector
  • For 120V network up to 3-phase+N
  • In : 20 kA
  • Imax : 50 kA
  • No leakAge current
  • LED visual indicator + audible alarm
  • UL1449 ed.5 compliant
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CITEL M50’s compact, low profi le surge protectors are designed to protect local distribution panels, OEM control panels, PLC’s, and SCADA systems against transient surge events. These devices are installed parallel to the AC network and provide robust surge handling capability. The M50 is available up to three phase applications and is rated at 50kA (8/20μs) transient amps per phase.
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SPD type
2
Network
 120/208 V 3-phase
Nominal line voltage
 Un 120 Vac
Max. AC operating voltage
Uc 150 Vac
Max. AC operating voltage
 Uc 150 Vac
Temporary Over Voltage (TOV) Characteristics - 5 sec.
Without disconnection
 UT 180 Vac withstand
Temporary Over Voltage (TOV) Characteristics - 120 mn
Without disconnection or with safety disconnection
 UT 230 Vac disconnection
Operating current
Continious current at Uc
 Ic None
Follow current
If None
Nominal discharge current
15 x 8/20 µs impulses
 In 20 kA
Max. discharge current
max. withstand @ 8/20 µs by pole
 Imax 50 kA
Total Maximum discharge current
max. total withstand @ 8/20 µs
Imax Total 50 kA
Protection level
@ In (8/20µs)
 Up 1200 V
Protection level L/N
@ In (8/20µs)
 Up L/N 1200 V
Protection level L/PE
@ In (8/20µs)
 Up L/PE 1200 V
Residual Voltage at 3 kA
@ 8/20µs
 Up-3kA 700 Vac
Admissible short-circuit current
 Isccr 100 000 A
SPD configuration
 3-phase
Connection to Network
 By wire 15 AWG (1.5mm²). long. 600mm
Mounting
 Bulkhead (3/4')
Housing material
 Stainless steel
Operating temperature
 Tu -40/+85°C
Protection rating
 IP66
Disconnection indicator
 LED OFF + audible alarm
Dimensions
 See diagram
Weight
 1.086 kg
Standards compliance
 IEC 61643-11 / EN 61643-11 / UL1449 ed.5
Thermal disconnector
 Internal
Installation ground fault breaker
 Type 'S' or delayed
Back-up protection device
40 A