https://www.phoenixcontact.com/us/products/2882585
09/02/2016Page3/6
Surge protection device-S-PT-EX(I)-24DC-3/4"-2882585
Technical data
Protective circuit
≤ 50 V (C1 - 250 A)
≤ 50 V (C3 - 25 A)
≤ 80 V (D1 - 1 kA)
Voltage protection level U
p
(core-ground)
≤ 1.4 kV (C2 -5 kA, direct grounding)
≤ 1.4 kV (C1 - 500 A)
≤ 1.4 kV (C3 - 100 A)
≤ 1.4 kV (D1 - 1 kA)
Voltage protection level U
p
(shield-ground)
≤ 650 V (C2 -5 kA optional)
Response time tA (Core-Core) ≤ 1 ns
Response time tA (Core-Earth) ≤ 100 ns
Response time tA (Shield-Earth) ≤ 100 ns
Input attenuation aE, sym. typ. 0.5 dB (≤ 1 MHz / 50 Ω)
typ. 0.2 dB (Up to 400 kHz, 150 Ω)
Cut-off frequency fg (3 dB), sym. in 50 Ohm system typ. 6 MHz
Cut-off frequency fg (3 dB), sym. in 150 Ohm system typ. 2.5 MHz
Resistance in series 2.2 Ω ±10 %
Surge protection fault message None
Impulse durability (conductor-conductor) C2 - 10 kV/5 kA
D1 - 1 kA
Impulse durability (conductor-ground) C2 - 10 kV/5 kA
D1 - 1 kA
Impulse durability (shield-ground) C2 - 10 kV / 5 kA
D1 - 1 kA
Alternating current carrying capacity (conductor-ground) 10 A - 1 s
Alternating current carrying capacity (shield-ground) 10 A - 1 s
Connection data
Connection name Input/output
Connection method Screw connection
Connection type IN Screw terminal blocks
Connection type OUT Connection line
Connection method Screw connection
Screw thread M3
Tightening torque 0.6 Nm
Stripping length 6 mm
Conductor cross section flexible 0.14 mm² ... 1.5 mm²
Conductor cross section solid 0.14 mm² ... 1.5 mm²
Conductor cross section AWG 26 ... 16
