Signal SPD

RS48J4 Compact SPD for use in PoE+ system

Description:Compact SPD for use in PoE+ system according to IEEE 802.3at to protect the Cat. 6A patch cable and downstream equipment, and installation at the boundaries from LPZ 0-2 and higher. 


● High discharge capacity 

● Fully shielded design 

● Low insertion loss 

● Protection for all lines 

● Easy to replace 

● DIN rail installation

Product description:

Part NumberRS48J4
Nominal Voltage (Un)48V
Max. continuous operating d.c. voltage (Uc)48V
Max. continuous operating a.c. voltage (Uc)34V
Max. Continuous volatage pair-pair (PoE) (Uc)57V
Rated load current (45) (IL)1.0mA
C2 nominal discharge current (8/20 µs) per line (In)2.5KA
Voltage protection level for line-line In C2 (Up)190V
Voltage protection level for line-PE In C2 (Up)500V
Voltage protection level line-line at 1 kV/us C3 (Up)140V
Voltage protection level line-PE at 1 kV/us C3 (Up)600V
Frequency scope for line-line0-1000Mbps
pe for line-line 0-1000Mbps I≤2.0 dB

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