SPD for Devices

SPD for Devices
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Built-in disconnection mechanism / degradation display included. JIS C 5381-1 class II compliant

● Built-in disconnection mechanism / With degradation display
∙ A built-in detachment mechanism for degrading ZnO element prevents SPD ignition / fuming
∙ Operational display function for the detachment mechanism
● Compact and space-saving
∙ Inter cable and ground integrated model for all-in-one protection against inductive lightning surges between cables and ground
∙ Uses multi-terminal elements to achieve the smallest size in the industry
● Lightning surge resistance capacity for peace of mind
∙ Offers maximum discharge current of 5 kA (8 / 20 μs) to withstand large lightning surges
∙ It can withstand 500 lightning surges of 1,000A and offers long life
● EN 61643-11 (2002 Stipulation) TÜV Approved (TÜV SÜD Japan)
● Uses UL Standard (UL 1449 3rd Edition) / CSA Standard (C22. 2 No. 8) approved flame-retardant material (UL V-0)


SPD for Device:Related Image

Model NumberWeight (g)Operating Temperature Range
MSPD-12C40-20 °C ~
+70 °C

More Information

SPD for Device:Related Image
SPD for Device:Related Image
SPD for Device:Related Image
Characteristics Table
Model NumberApplicable VoltageMaximum Continuous Use VoltageDC Discharge Start Voltage (line-earth)DC Operation Starting Voltage (line-line)Nominal Discharge Current (8 / 20 µs)Voltage Protection Level (Up)Maximum Discharge Current (Imax) 8 / 20 µsSurge Current Life
MSPD-12C250 Vr.m.s.L-E,L-L:275Vr.m.s.800V ±20%540V ±10%2500A1.5kV5000A1000 A 500 Times
MSPD-32C250 Vr.m.s.L-E,L-L:275Vr.m.s.800V ±20%540V ±10%2500A1.5kV5000A1000 A 500 Times

SPD for Device:Related Image
Part Number
Part NumberVolume DiscountDays to Ship RoHSNumber of Phases / Number of Wires

6 Days or more

101-phase 2-wire

6 Days or more

103-phase 3-wire


  1. 1

Basic Information

Use For Power Supply Voltage 100 VAC Type Integrated
Mounting Method Cord Direct Out Category Class II Representative Standard UL / CUL / TUV / CSA
Sizes Vertical(mm) 33.5 Sizes Width(mm) 38 Sizes Depth(mm) 28
Maximum Continuous Use Voltage 275 VAC Nominal Discharge Current (8 / 20 μs) 2,500 A Maximum Discharge Current (8 / 20 μs) 5,000 A
Voltage Protection Level 1.5 kV Direct Current Discharge Start Voltage To Ground 800V ± 20 % Operation Start Voltage Line-to-line 540V ± 10 %

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