103350 Surge Protective Device Ex9UE2 20R 1PN 275

EAN: 8592765033512

The Ex9UE2 line is a group of Class II Surge Protective Devices. They are intended as a protection against transient overvoltage caused by fast switching operations or indirect hits of lightning strokes (residuum effects). It is recommended to install Class II SPDs every 10 – 20 meters of cable length repetitively, typically to main and sub distribution boards. The Ex9UE2 20 440 are designed for direct coordination with Class I SPDs ofline Ex9UE1 35. In case of Ex9UE2 20 275, the coordination with the line Ex9UE1 35 is done by means of 10 m cable length. The design of Ex9UE2 is based on Metal Oxide Varistors. Such design provides very low response time. The modular design with plug in inserts allows simple and quick replacement of function modules in case of MOV is beyond if its lifespan due to often occurrence of overvoltage peaks.


Paremeter Value
Nominal discharge surge current (8/20) 20
Max. conductor cross section solid (solid, stranded) 35
Degree of protection (IP) IP20
System configuration TN-S, TT
Nominal voltage AC 275
Voltage protection level L-N 1.4
Mounting method DIN rail (top hat rail) 35 mm
Category type 2 YES
Type of poles 1+N/PE
Short-circuit-proof YES
Construction size 2 modular spacing
Max. conductor cross section flexible (fine-strand) 35
Voltage protection level N-PE 1.5
With remote signalling contact YES
Max. continuous voltage AC 275
Integrated backup fuse NO
Signalling at the device Optic


Document Type Document Name Size Format
Manual Mounting instruction Ex9UE2 1.4mb PDF
Declaration of Conformity Declarations of Conformity Ex9UE2 0.5mb PDF
Datasheet Datasheet Ex9UE2 1.1mb PDF
Catalogue Catalogue Installation Devices 0.0gb PDF