IFM N7S21A
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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 N7S21A be shipped?
N7S21A 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 N7S21A 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 N7S21A 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 N7S21A, subject to availability and destination.
For applications in hazardous areas Precise detection of pointer positions For connection to intrinsically safe circuits Very high switching frequency Wide operating temperature range
Specifications
Product characteristics
| Electrical design | NAMUR |
| Output function | normally closed |
| Housing | rectangular |
| Dimensions[mm] [mm] | 19 x 10 x 15 |
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] | 5...25; (when used outside the hazardous area) |
| Current consumption[mA] [mA] | < 1.2; (disabled; conductive: > 2,1) |
| Protection class | III |
Outputs
| Electrical design | NAMUR |
| Output function | normally closed |
| Switching frequency DC[Hz] [Hz] | 3000 |
Detection zone
| Insertion depth (from the side)[mm] [mm] | 5...7 |
Accuracy / deviations
| Hysteresis[%] [%] | 0...0.05 |
Operating conditions
| Ambient temperature[°C] [°C] | -40...100 |
| 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] | 2942 |
Safety classification
| Max. internal capacitance[nF] [nF] | 150 |
| Max. internal inductance[µH] [µH] | 150 |
Mechanical data
| Weight[g] [g] | 34 |
| Housing | rectangular |
| Dimensions[mm] [mm] | 19 x 10 x 15 |
| Slot width[mm] [mm] | 3.5 |
| Materials | PBT |
Accessories
| Items supplied | counter-sunk screw: 1 x (M1,6 x 10 mm), stainless steel; Hexagon nut: 1 x M1,6 |
Remarks
| Pack quantity | 1 pcs. |
Electrical connection - plug
| Cable | 0.065 m; 2 x 0.14 mm², PTFE |
| Connector | 1 x DUBOX |
