Surge arrester type 1&2 4P Iimp=25kA Uc=335V with report
T1-25M/335-T4
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The T1-25M/335-T4 is a 4-poles, single-bloc, very high-energy surge arrester designed to provide protection against both the direct (when a lightning conductor is present) and indirect effects of lightning. This device is intended for use in single-phase or three-phase networks in installations located in regions characterised by a very high lightning strike density.
Characteristics :
- Type of arrester: Type 1
- Rated surge current level: Iimp 25 kA / Imax 100 kA
- Rated discharge current: In 30 kA
- End-of-life indicator light function
- Possibility of transmitting an alarm via a dry contact
Reference: T1-25M/335-T4
Mains type: TT-TN
Voltage Un: 230 VAC
Max. perm. operating voltage Uc (50Hz): 335 VAC
Withstand voltage U: > 400 VAC
Rated discharge current In (8/20μs): 30 kA
Maximum discharge current lmax (8/20μs): 100 kA
Maximum discharge current limp (10/350μs): 25 kA
total limp (10/350μs) (L1+N; L1+L2+L3; L1+L2+L3+N-PE): 50/75/100 kA
Protection level Up under ln / under 5 kA: 1.5 kV / <1 kV
Protection level Up under limp: 1.2 kV
Specific energy / load: 155 kJ/Ω 12.5 As
Leakage current lpe : < 2.5 mA
Response time: < 25 ns
Max. upstream fuse rating Icc≤25kA: max.250 A gG/gL
Max. upstream fuse rating Icc>25kA: max.125 A gG/gL
Permissible Icc with max. fuse rating: 25 kA /50Hz
End-of-life indication: yes
Remote reporting of end-of-life information: yes
Connection capacity L; N; PE: 4-35 mmÇ (flexible: max. 25 mmÇ)
Signal terminals: 1.5 mmÇ (flexible, rigid)
Operating temperature: -20°C / +80° C
Housing material: Thermoplastic polyester UL 94 V-0
Degree of protection: IP20
Mounting: Symmetrical DIN rail (EN 50022 / DIN46277-3)
Number of ports: 1
Standards: NF EN 61643-11 / IEC 61643-1
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