Power SPD- C-level Power Surge Arrestor

M1L320-40II(3P+N) A0520112?

The surge protector is mainly used in surge protection for lightning or other transient over-voltage from low voltage power distributionsystem and electrical equipment. Product is built-in overheating

  • Power SPD: (II - 8/20μs)
  • Signal SPD: (II - 8/20μs)

The surge protector is mainly used in surge protection for lightning or other transient over-voltage from low voltage power distribution
system and electrical equipment.

Product is built-in overheating and over-current protection function, which can provide low voltage power distribution system and electric
equipment with class C (
level classification test) lightning protection. This type adopts to 35 mm DIN TTW Guide installation.The
surge protection module can be changed independently, which possesses ease of installation and maintenance.With a remote
communication alarm interface (dry contact), it is convenient to monitor the status of the SPD.

ItemSpecification
Product modelM1L320-40II(3P+N)
Rated working voltage-Un230V/400VAC  
Max. continuous operating
voltage-Uc
320VAC(L-N)/255VAC(N-PE)
Nominal discharge current-In(8/20μs)20kA
Maximum discharge current-Imax(8/20μs)40kA
Voltage protection level-Up
20kA 8/20μs 1.5kV(L-N)/1.0kV(N-PE)
5kA 8/20μs1.0kV(L-N)/1.0kV(N-PE)
Temporary over-voltage
characteristics (TOV) 
400V/5sec
Front Fuse125AgL
Short-circuit current withstand25kArms
Size for terminal connection1.5 m~25m (flexiblility)/35m (inflexibility)
Max. current for alarm port 250V/0.5A(AC)0.1A(DC);
125V/1A(AC)0.5(DC)
Shell fire retardant gradeUL94 V-0
IP gradeIP20
Plug in module shell MaterialPA 66+30% Glass fiber, cool grey2C
Base shell materialPBT+30% Glass fiber, cool grey2C
Working Temperature-40~+85
Store Temperature-40~+85
Relative Humidity5%~95%(25)
Height above sea level4000m
Storage expiry2 years per inspection
Moisture sensitive levelClass 1(30/85%RH


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