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TRSS-485 SPD

TRSS-485 Series SPD

RS485 surge protector. The surge protector is connected in series in front of the protected equipment, and is mainly suitable for communication lines, remote signaling, measurement and control systems, access control intercom systems, automatic control systems, security systems, etc., which can effectively absorb the energy generated by surges Impact, and introduce energy into the earth through the grounding cable.
  1. Protect a pair of signal lines from lightning surge
  2. DIN rail installation saves a lot of space
  3. The maximum discharge current is 10kA.
  4. A variety of protection voltages are available, such as 5V 12V 24V 100V
Catalogue-Surge Protective Devices


TRSS-485 circuit diagram

Parameter/TypeTRSS-485
Material/widthAluminum, PA66/ 7mm, 14mm, 18mm
Nominal volatge                                       Un5 V12 V24 V100
Maximum operating voltage                     Uc8 V15 V30 V110
Frequency30 MHz
Insertion loss≤ 0,5 dB
Standing wave1,2
Nominal discharge current  (8/20μs)          In5 kA
Maximum discharge current (8/20μs)      Imax10 kA
Voltage protection level                            Up<20 V< 40 V< 60 V<150 V
MountingDIN rail 35mm
Degree of protectionIP20
Range of operating temperatures (min/max)-40℃/70℃
Humidity range5%-95%
According to standardEN 61643-21:2012, IEC 61643-21:2011