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IFM N7R31A
N7R31A
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Courier delivery
Our courier will deliver to the specified address
5-6 Days
From €20
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DHL courier will deliver to the specified address
2-3 Days
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Warranty 1 year
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Free 30-Day returns
Description
For applications in hazardous areas
Reliable detection of objects with very small diameters
Very short response time
Wide operating temperature range
Specification
Product characteristics
| Electrical design | NAMUR |
|---|---|
| Output function | normally closed |
| Housing | circular |
| Dimensions[mm] [mm] | 32 x 25 x 20 |
Application
| Operating principle | bistable |
|---|
Electrical data
| Connection to switching amplifiers | yes |
|---|---|
| Switching amplifiers | connection to certified intrinsically safe circuits with the max. values: U = 15 V / I = 50 mA / P = 120 mW |
| Nominal voltage DC[V] [V] | 8.2; (1kΩ) |
| Current consumption[mA] [mA] | value for direction of movement A : < 1,2; value for direction of movement B : > 2,1 |
| Protection class | III |
Outputs
| Electrical design | NAMUR |
|---|---|
| Output function | normally closed |
Detection zone
| Measuring ball (diameter)[mm] [mm] | 6 |
|---|---|
| Max. travel speed[m/s] [m/s] | 10 |
Accuracy / deviations
| Hysteresis[mm] [mm] | 2 |
|---|
Operating conditions
| Ambient temperature[°C] [°C] | -40...100 |
|---|---|
| Note on ambient temperature | max. temperature span: 100 K |
| Protection | IP 67 |
Tests / approvals
| Approval | BVS 08 ATEX E026; IECEx BVS 09.0016 |
|---|---|
| ATEX marking | II 1G Ex ia IIC T4 Ga |
| EMC | EN 60947-5-2 |
| MTTF[years] [years] | 1261 |
Safety classification
| Max. internal capacitance[nF] [nF] | 90 |
|---|---|
| Max. internal inductance[µH] [µH] | 65 |
Mechanical data
| Weight[g] [g] | 67.5 |
|---|---|
| Housing | circular |
| Dimensions[mm] [mm] | 32 x 25 x 20 |
| Inside diameter[mm] [mm] | 15 |
| Materials | PA 12-GF30 |
Remarks
| Pack quantity | 1 pcs. |
|---|
Electrical connection
| Cable | 2 m; 2 x 0.14 mm², PTFE |
|---|
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