Combined SPD - Type 1

RL440(760)-25W1-10R SPD for power supply system

Description:DIN rail, combined Type 1 & 2 /ClassⅠ& Ⅱwith MOV and CDGG technology for use in different power supply system at boundaries from LPZ 0A -2.


● MOV&CDGG Technology  

● Non-follow current   

● High discharge capacity   

● Capable of protection terminal equipment    

● Visual and remote status indication    

● Multifunctional terminals for connecting conductors and busbars

Product description:

Part NumberRL440-25W1-10RRL760-25W1-10R
Nominal Voltage (Un)400Vac /600Vdc690 Vac /1000Vdc
Max. continuous operating voltage (Un)440Vac/600Vdc760Vac/1100Vdc
Nominal discharge current (8/20 µs) (In)25kA25kA
Lightning impulse current (10/350 µs) (limp)25kA25kA
Specific energy(W/R)156.25KJ/Ω156.25KJ/Ω
Follow current extinguishing capability (If i)InfiniteInfinite
Voltage protection level (Up)2.4kv3.5kv
Voltage protection level for 5kA (Up)2.0kv2.5kv
Response time (tA)≤100ns≤100ns
Short-circuit withstand capability(Iscw)25kArms25kArms
Temporary overvoltage (TOV) (Ut)690V/5s1000V/5s
Max. overcurrent protection≤250A gL/gG≤250A gL/gG
TOV characteristicWithstandWithstand

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