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IFM NF501A
NF501A
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Warranty 1 year
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Description
For applications in hazardous areas
For connection to intrinsically safe circuits
Clearly visible indication of the switching status
Very high switching frequency
Robust metal housing for use in harsh industrial environments
Specification
Product characteristics
| Electrical design | NAMUR |
|---|---|
| Output function | normally closed |
| Sensing range[mm] [mm] | 4 |
| Housing | threaded type |
| Dimensions[mm] [mm] | M12 x 1 / L = 45 |
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) |
| Supply voltage DC[V] [V] | 7.5...30; (when used outside the hazardous area) |
| Current consumption[mA] [mA] | < 1; (disabled; conductive: > 2,1) |
| Protection class | III |
Outputs
| Electrical design | NAMUR |
|---|---|
| Output function | normally closed |
| Permanent current rating of switching output DC[mA] [mA] | 30; (when used outside the hazardous area) |
| Switching frequency DC[Hz] [Hz] | 700 |
Detection zone
| Sensing range[mm] [mm] | 4 |
|---|---|
| Real sensing range Sr[mm] [mm] | 4 ± 10 % |
| Operating distance[mm] [mm] | 0...3.24 |
Accuracy / deviations
| Correction factor | steel: 1 / stainless steel: 0.7 / brass: 0.5 / aluminium: 0.4 / copper: 0.3 |
|---|---|
| Hysteresis[% of Sr] [% of Sr] | 1...15 |
| Switch point drift[% of Sr] [% of Sr] | -10...10 |
Operating conditions
| Ambient temperature[°C] [°C] | -20...70 |
|---|---|
| Protection | IP 67 |
Tests / approvals
| Approval | BVS 04 ATEX E 091 X; IECEx BVS 06.0003X |
|---|---|
| ATEX marking | II 1G Ex ia IIC T6 Ga |
| EMC | EN 60947-5-6 |
| Shock/vibration resistance | 30 g (11 ms) / 10-55 Hz (1 mm) |
| MTTF[years] [years] | 3119 |
Safety classification
| Max. internal capacitance[nF] [nF] | 210 |
|---|---|
| Max. internal inductance[µH] [µH] | 115 |
Mechanical data
| Weight[g] [g] | 78.55 |
|---|---|
| Housing | threaded type |
| Mounting | flush mountable |
| Dimensions[mm] [mm] | M12 x 1 / L = 45 |
| Thread designation | M12 x 1 |
| Materials | housing: brass special coating; sensing face: PBT; LED window: PA |
Displays / operating elements
| Display | switching status 4 x 90° LED, yellow |
|---|---|
| switching status | 4 x 90° LED, yellow |
Accessories
| Items supplied | lock nuts: 2 |
|---|
Remarks
| Pack quantity | 1 pcs. |
|---|
Electrical connection - plug
| Connector | 1 x M12; coding: A |
|---|
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