Type 2 surge arrester Surge-Trap® STET23 Series

type 3telecommunicationsfor electrical installations

STE T23 20 is the series of combined Type 2+3/Class II+III devices for discharging voltage surges while providing a very fine voltage protection level, in accordance with EN/IEC 61643. Complete with a built-in powerful EMI filter. Suitable as the final stage of protection in installations with electromagnetic disturbances which might interrupt, degrade or limit system performance. Series connection for applications up to 20A rated current. • Maximum discharge current (8/20μs): 20kA • Nominal discharge current (8/20μs): 10kA • Combined voltage pulse (1.2/50μs): 6kV • Filter attenuation up to 82dB (common mode) • Rated current load (IL): 20A • Single phase TT and TNS networks • Visual (LED) and remote end of life indicators • Power status (LED) indicator • Back-up fuse: 20 A gG