Dinline Surge Arresters Noark

Dinline Surge Arresters Noark

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Description

The Ex9UE1+2 12.5 line is a group of Class I+II Surge Protective Devices. They are intended as a protection against indirect and low intensity direct hits of lightning strokes. In standard three phase TN-C grid, they provides protection to LPL III, IV requirements given in EN 62305 with total lightning current introduced into electrical installation of 37.5 kA and total lightning stroke current 75 or 100 kA based on physical configuration and mutual position of grounding point of lightning rod, grounding point of the electrical installation and place of SPD installation. The design of Ex9UE1+2 12.5 is based on high energy Metal Oxide Varistors. Such design provides low response time and ensures characteristics for both classes I and II. 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 high intensity or often occurrence of over voltage peaks.

PAREMETER VALUE
Signalling at the device Optic
Integrated backup fuse NO
System configuration IT NO
Voltage protection level L-N 1.5
Max. conductor cross section flexible (fine-strand) 50
Test class Type 1 + 2
System configuration TN-C-S YES
Nominal voltage AC 275
System configuration DC NO
Number of poles 1
Lightning impulse current (10/350) 12.5
Voltage protection level N-PE 1.5
Mounting method DIN rail (top hat rail) 35 mm
Max. conductor cross section solid (solid, stranded) 50
Energy-coordinated protection effect with regard to the terminal equipment NO
System configuration other NO
Max. continuous voltage AC 275
Specific energy (W/R) 156.25
System configuration TN YES
System configuration TN-C YES
System configuration TT NO
Follow current extinguishing capability
Exhausting NO
System configuration TN-S NO
Construction size 1 modular spacing
Remote signalling YES

The Ex9UE2 line is a group of Class II Surge Protective Devices. They are intended as a protection against transient over voltage 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 over voltage peaks.

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

Additional information

Description

Class 1+2 (B+C)Iimp 12.5kA ,Uc 275 Vac 1 Pole with remote signal contact, Class 1+2 (B+C)Iimp 12.5kA ,Uc 275 Vac 2 Pole with remote signal contact, Class 1+2 (B+C)Iimp 12.5kA ,Uc 275 Vac 4 Pole with remote signal contact, Class 2 (C) Iimp 20kA ,Uc 275 Vac 1 Pole with remote signal contact, Class 2 (C) Iimp 20kA ,Uc 275 Vac 2 Pole with remote signal contact, Class 2 (C) Iimp 20kA ,Uc 275 Vac 4 Pole with remote signal contact

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