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
- Easy to select, install and operate
Technical excellence
Simplicity
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Lean selection Handle your core processes easily |
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Success stories
17 documents
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Technical Information (TI)
RLN42
NAMUR isolating amplifier
EN 16/09/202106/05/2021Language:
English
Version:
16/09/2021
File size:
1020.3 KB
File name:
TI01565KEN_0221.pdf
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Operating Instruction (BA)
RLN42
Two-channel NAMUR isolating amplifier with universal power supply and relay signal output
EN 16/09/202106/05/2021Language:
English
Version:
16/09/2021
File size:
1.5 MB
File name:
BA02065KEN_0221.pdf
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Short Instruction (KA)
KA RLN42
Two-channel NAMUR isolating amplifier with 24 to 230 V<sub>AC/DC </sub> universal power supply and relay signal output
EN 26/12/202216/09/202106/05/2021Language:
English
Version:
26/12/2022
File size:
537.1 KB
File name:
KA01482KEN_0322-00.pdf
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Ex Safety Instruction (XA)
RLN42 NAMUR CONTROL / INSTALLATION DRAWING for explosionhazardous areas according to Directive 2014/34/EU (ATEX)
ATEX/UKCA: ATEX II (1) G [Ex ia Ga] IIC, II (1) D [Ex ia Da] IIIC, II3(1) G Ex ec nC [iaGa] IIC T4 Gc IECEx: [Ex ia Ga] IIC, [Ex ia Da] IIIC, Ex ec nC [ia Ga] IIC T4 Gc
EN 29/09/202221/07/202109/03/2021Language:
English
Version:
29/09/2022
File size:
1.7 MB
File name:
XA02473KA2_03.22_RLN42.pdf
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Special Documentation (SD)
Device viewer
Technical documentation in other languages
Language:
English
Version:
14/07/2021
File size:
478.5 KB
File name:
SD02429R09EN_0121.pdf
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Functional Safety (FY)
RLN22, RLN42
NAMUR isolating amplifier with relay signal output
EN 30/11/202115/01/2021Language:
English
Version:
30/11/2021
File size:
2.1 MB
File name:
FY01035KEN_0221-00.pdf
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Fields of Activities (FA)
System Products and Data Managers
Solutions for the loop Indicators, interface devices, surge arresters, energy and application managers, data managers, paper less recorders and associated software packages for process automation
EN 17/05/2023Language:
English
Version:
17/05/2023
File size:
14.5 MB
File name:
FA00016KEN_2323_online.pdf
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Manufacturer Declaration
Product family: Contactors/transmitters
Product root: RLN42- Declarationnumber: HE_01544_01.21 Manufacturer specification: RoHS Additional information: China RoHS
EN 02/12/2021Language:
English
Version:
02/12/2021
File size:
165.6 KB
File name:
HE_01544_01.21 China RoHS RLN42.pdf
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EU Declaration
Product family: Contactors/transmitters
Product root: RLN42- Declaration number: EU_01003_01.22
EN 08/06/2021Language:
English
Version:
08/06/2021
File size:
149.7 KB
File name:
EU_01003_01.22.pdf
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EU Declaration
Product family: Contactors/transmitters
Product root: RLN42- Declaration number: EC_00908_01.21
EN 08/06/2020Language:
English
Version:
08/06/2020
File size:
167.8 KB
File name:
EC_00908_01.21.pdf
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UK Conformity Assessed
Product family: Contactors/transmitters
Product root: RLN42- Declaration number: UK_00467_01.21
Language:
English
Version:
01/12/2021
File size:
122.4 KB
File name:
UK_00467_01.21.pdf
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UK Conformity Assessed
Product family: Contactors/transmitters
Product root: RLN42- Declaration number: UK_00408_01.21
Language:
English
Version:
30/08/2022
File size:
99 KB
File name:
UK_00408_01.21.pdf
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Explosion Protection
Product family: Contactors/transmitters
Product root: RLN42- Region: International (IECEx) Approval agency: IBExU Protection: [Ex ia Da] IIIC, [Ex ia Ga] IIC, Ex ec nC 020 020 055
Language:
English
Version:
08/06/2021
File size:
722.7 KB
File name:
IECEx IBE 20.0030X_00.pdf
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Explosion Protection
Product family: Contactors/transmitters
Product root: RLN42- Region: International (IECEx) Approval agency: IBExU Protection: Ex e, Ex n, Ex [i]
Language:
English
Version:
08/06/2021
File size:
722.7 KB
File name:
IECEx IBE 20.0030X_00.pdf
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Explosion Protection
Product family: Contactors/transmitters
Product root: RLN42- Region: Europe (ATEX) Approval agency: IBExU Category: II 3 G, II (1) D, II (1) G Protection: [Ex ia Da] IIIC, [Ex ia Ga] IIC, Ex ec nC 020 020 055
EN 08/06/2021Language:
English
Version:
08/06/2021
File size:
2.9 MB
File name:
IBExU20ATEX1108 X_Iss.0.pdf
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Explosion Protection
Product family: Contactors/transmitters
Product root: RLN42- Region: Europe (ATEX) Approval agency: IBExU Protection: Ex e, Ex n, Ex [i]
EN 08/06/2021Language:
English
Version:
08/06/2021
File size:
2.9 MB
File name:
IBExU20ATEX1108 X_Iss.0.pdf
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Marine
Product family: Contactors/transmitters
Product root: RLN42- Region: International Approval agency: DNV
Language:
English
Version:
11/04/2022
File size:
173.1 KB
File name:
TAA0000352.pdf
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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 -