IFM NM501A
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Quick facts
| Availability | Confirmed on request |
| Category | All inductive sensors |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can NM501A be shipped?
NM501A is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up NM501A in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for NM501A and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for NM501A, subject to availability and destination.
For applications in hazardous areas For connection to intrinsically safe circuits Long sensing range for use in conveying Robust housing for use in harsh industrial environments Five positions of the sensing face selectable
Specifications
Product characteristics
| Electrical design | NAMUR |
| Output function | normally closed |
| Sensing range[mm] [mm] | 35 |
| Housing | rectangular |
| Dimensions[mm] [mm] | 40 x 40 x 66 |
Application
| Special feature | Gold-plated contacts |
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] | 100 |
Detection zone
| Sensing range[mm] [mm] | 35 |
| Real sensing range Sr[mm] [mm] | 35 ± 10 % |
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 1D Ex ia IIIC T200 90°C Da |
| EMC | EN 60947-5-6 |
| Shock/vibration resistance | 30 g (11 ms) / 10-55 Hz (1 mm) |
| MTTF[years] [years] | 2935 |
Safety classification
| Max. internal capacitance[nF] [nF] | 220 |
| Max. internal inductance[µH] [µH] | 710 |
Mechanical data
| Weight[g] [g] | 189 |
| Housing | rectangular |
| Mounting | non-flush mountable |
| Dimensions[mm] [mm] | 40 x 40 x 66 |
| Materials | housing: PPE; sensing face: PPE orange; bevelled housing part: PPS; mounting adapter: PPS black; screw: steel galvanised |
Displays / operating elements
| Display | switching status; 1 x LED, yellow |
| switching status | 1 x LED, yellow |
Accessories
| Items supplied | Mounting bracket: 1; Allen key: 1 |
Remarks
| Remarks | 5 positions of the active zone possible |
| Pack quantity | 1 pcs. |
Electrical connection - plug
| Connector | 1 x M12; coding: A; Locking: brass, white bronze coated; Contacts: gold-plated |
