https://www.phoenixcontact.com/us/produkte/2762265
05.10.2012Page2/5
Surge protection device-MT-RS485-2762265
Technical data
Protective circuit
VDE requirement class D1
Maximum continuous voltage UC (wire-ground) 12 V DC
Nominal current IN 450 mA (25°C)
Operating effective current IC at UC ≤ 10 µA
Nominal discharge surge current In (8/20) µs (Core-Core) 10 kA
Nominal discharge surge current In (8/20) µs (Core-Earth) 10 kA
Lightning test current (10/350) µs, peak value limp 500 A
Output voltage limitation at 1 kV/µs (Core-Core) spike ≤ 22 V
Output voltage limitation at 1 kV/µs (Core-Earth) spike ≤ 600 V
Output voltage limitation at 1 kV/µs (Core-Core) static ≤ 22 V
Output voltage limitation at 1 kV/µs (Core-Earth) static ≤ 600 V
Output voltage limitation at 1 kV/µs (Core-GND) static ≤ 22 V
Residual voltage at In, (conductor-conductor) ≤ 19 V
Residual voltage at In, (conductor-GND) ≤ 19 V
Protection level UP (Core-Core) ≤ 22 V
Protection level UP (Core-Earth) ≤ 600 V
Protection level UP (Core-GND) ≤ 22 V
Response time tA (Core-Core) 1 ns
Response time tA (Core-Earth) ≤ 1 ns
Response time tA (Core-Earth) ≤ 100 ns
Input attenuation aE, sym. ≤ 0.1 dB (Up to 10 kHz)
Input attenuation aE, asym. 0.8 dB (up to 0.1 MHz 50 Ω system)
Input attenuation aE, asym. 0.1 dB (up to 10 kHz 600 Ω system)
Cut-off frequency fg (3 dB), asym. (GND) in 50 Ohm system 1.3 MHz
Cut-off frequency fg (3 dB), asym. (GND) in 600 Ohm system 130 kHz
Resistance in series 4.4 Ω
Connection data
Connection method Screw connection
Connection type IN Screw terminal blocks
Connection type OUT Screw terminal blocks
Screw thread M3
Stripping length 8 mm
Conductor cross section stranded min. 0.2 mm²
Conductor cross section stranded max. 2.5 mm²
Conductor cross section solid min. 0.2 mm²
Conductor cross section solid max. 4 mm²
Conductor cross section AWG/kcmil min. 24
Conductor cross section AWG/kcmil max 12
Connection, protective circuit
Standards/regulations IEC 61643-21
