The NAMUR signal amplifier ensures safe switching of proximity switches complying with EN 60947-5-6 (NAMUR), normally open contacts with resistive coupling elements and mechanical contact switches. It is connected to a universal power supply (24...230 V AC/DC), with one relay output (changeover contact) per channel. The device is intrinsically safe (Ex i) certified and can be used in Zone 0 (gas) and Zone 20 (dust) explosion-protected areas. The RLN42 can be connected in series in SIL 2 safety instrumented systems (complying with IEC 61508).

Advantages
Pluggable terminals for fast and simple device wiring

Can be connected in series in SIL 2 (IEC 61508) safety instrumented systems

Compact housing with a width of only 17.5 mm (0.69 in), making efficient use of space

Three-way galvanic isolation

Field of application
Signal amplifier that outputs switching signals

Wide voltage range (24...230 V AC/DC)

Input: proximity switches complying with NAMUR (EN 60947-5-6), float switches or resistively coupled contact switches

Input loop fault monitoring, e.g. open circuit and short circuit (LFD), detectable separately

Input loop line fault monitoring, e.g. open circuit and short circuit (LFD), detectable separately

Ambient temperature range: -40...60 °C (-40...140 °F)

Can be installed for use in Zone 2 / Div 2 explosion-protected areas

E+H product configurator

Please enter the product order code to configure

Product comparison

Please enter the order codes of the products you wish to compare in the fields below (up to three products)

Technical documentation

Technical data

Documents/Manuals/Software

Accessories/Spare parts

Source:Endress+Hauserpublic information from the website