Kumwell KZ01.*.ds-3/0 are a lightning arresters class I according to IEC 61643-11. These are recommended for use in the Lighting Protection Zone Concept at the boundaries of LPZ 0-1 (according to IEC 62305)
KZ01.*.ds-3/0 can be used in industrial installations such as substations, main switchboards of large industrial structures and also places with high risk of a direct lighting strikes occurance.
These arresters are intended for use in TN-C power supply system.
Three-Phase for TN-C System | |||||
Technical Data | KZ01.UN230.ds-3/0 | KZ01.UN400.ds-3/0 | |||
Nominal voltage | UN | 230 V AC | 400 V AC | ||
Max. continuous operating voltage | UC | 350 V AC | 440 V AC | ||
Lightning impulse current (10/350µs) [L-PEN] | Iimp | 50 kA | |||
Total lightning current | Itotal | 150 kA | |||
L1+L2+L3 PEN | |||||
Nominal discharge current (8/20µs) [L-PEN] | In | 50 kA | |||
Voltage protection level at In | UP | < 2 kV | < 2.5 kV | ||
Temporary overvoltage (TOV) | UT | 462 V/5 sec | |||
Follow current interrupting rating at UC [L-PEN] | Ifi | 3 kArms | |||
Response time | tA | < 100 ns | |||
LPZ | 0-1 | ||||
Protection type | IP20 | ||||
Operating temperature range |
|
-40°C to + 80°C | |||
Mounting on | Din rail 35 mm | ||||
Max. back-up fuse | 500 A gL/gG |