WJ Furse, ESP SL Surge Suppressor Unit 36.7 V Maximum Voltage Rating 2.5kA Maximum Surge Current Twisted Pair Surge

Signalling applications surge protector - ESP SL Series

Ultra-slim low-resistance enhanced surge protector suitable for twisted pair signalling applications
Very low let-through voltage between all lines
Very low (1Ω) in-line resistance
High bandwidth
Sturdy, flame retardant, polycarbonate housing
Built-in DIN rail foot for easy installation
4-20 mA model (ESP SL30L/4-20) available with LED indication
Also available with LED indication and isolated screen (ESP SL15L/I & ESP SL30L/I)
Earthed through DIN rail foot or 4 sq mm earth terminal

Transient Voltage Suppressors (Data Lines)