Specs at a glance
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Input
NAMUR
blocking: < 1,2 mA
conducting: > 2,1 mA -
Output
relay contact
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Power Supply
20...250 V AC/DC
Field of application
The NAMUR isolating amplifier is designed for safe operation of proximity switches according to EN 60947-5-6 (NAMUR) as well as open and mechanical contacts with resistive coupling elements. It has a universal power supply (24 to 230 V AC/DC) and one relay output (changeover) per channel. The device is approved for intrinsically safe (Ex i) circuits up to zone 0 (gas) and zone 20 (dust) in the Ex area. RLN42 can be used in safety equipment up to SIL 2 in accordance with IEC 61508.
Isolating amplifier for binary switch signals
Wide-range power supply (24 to 230 V AC/DC)
Input for proximity sensors acc. to NAMUR (EN 60947-5-6); floating contacts or contacts with resistance circuit
Monitoring of input circuits for line faults such as line break and short-circuit (LFD), disengageable
Output-side relay contacts as signal output, direction of action can be selected via DIP switches
Ambient temperatures -40 to 60 °C (-40 to 140 °F)
Installation in hazardous areas zone 2 / div 2
Benefits
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Simple and fast wiring with pluggable terminals
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Suited for use in safety instrumented systems up to SIL 2 (IEC 61508)
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Compact housing width with 17.5 mm (0.69 in) for efficient use of space
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Galvanic 3-way isolation
Fundamental selection
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Simple products
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Technical excellence
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
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Specialized products
- Designed for demanding applications
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Variable
| FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
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Lean selection Handle your core processes easily |
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Loading alternative products
Search spare parts by number in drawing
60 spare parts & accessories
60 spare parts & accessories
60 spare parts & accessories
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Terminal set 3pol. DIN rail screw
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further parts
Order code71505345 -
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Terminal set 3pol. DIN rail push-in
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further parts
Order code71505346 -
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Flap 17.5 W25 DIN rail housing
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further parts
Order code71505348 -
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Resistive Coupling Element, 1K/10K
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further parts
Order code71505353 -