Eaton surge arrester SPZT123-300/3+NPESOS

Manufacturer: Eaton
Designation: Surge arrester for 40 mm busbar
Type: SPZT123-300/3+NPESOS
Mains type DC: No
Mains type IT: No
Mains type TN: Yes
Mains type TN-C: No
Mains type TN-C-S: Yes
Mains type TN-S: Yes
Mains type TT: Yes
Mains type other: No
Number of poles: 4
Lightning impulse current (10/350 µs): 7.5 kA
Maximum continuous voltage AC: 300 V
Rated voltage AC: 240 V
Protection level: 1.5 kV
Protection level L-N: 1.5 kV
Protection level N-PE: 1.5 kV
Consecutive current quenching capacity: 0.1 kA
Specific energy (W/R): 14 kJ/ohm
Max. overcurrent protection device (stitch-type): 160 A
Max. overcurrent protection device (stub wiring, fuse): 160 A
Max. overcurrent protection device (V-wiring): 160 A
Overcurrent protection device (V-wiring, fuse): 160 A
Mounting type: Busbar
Size: 2 HP
Remote signalling: No
Signalling on the device: Optical
Test class: Type 1, 2, and 3
Integrated back-up fuse: No
Energy-coordinated protection effect to the end device: Yes
Voltage-switching spark gap technology: Yes
Overcurrent-protected voltage tap: No
Protection class (IP): IP20

Eaton surge arrester SPZT123-300/3+NPESOS further details:
Lightning current surge arrester for 40 mm busbar, TN-S/TT, 3P, 7.5 kA (10/350) µs, class I+II+III/type 1+2+3. Designed for protecting consumer installations in the mains connection compartment of the meter cabinet on a 40 mm busbar against transient overvoltages caused by direct and indirect lightning strikes as well as switching operations. Meets all requirements for the installation of surge protection according to DIN VDE 0100-534, test classes I, II, III according to IEC 61643-1, SPD type T1+2+3, complies with IEC 61643-11: 2011, EN 61643-11: 2012+A11: 2018, lightning protection class III and IV according to IEC 62305, residual current-free.