IFM IN5251
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Quick facts
| Availability | Confirmed on request |
| Category | Sensors for valve actuators |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can IN5251 be shipped?
IN5251 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 IN5251 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 IN5251 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 IN5251, subject to availability and destination.
For monitoring valve positions For reliable position feedback on valve actuators Non-contact and self-cleaning system Quick and secure mounting with only three screws High shock and vibration resistance
Specifications
Product characteristics
| Electrical design | PNP |
| Output function | 2 x normally open |
| Sensing range[mm] [mm] | 4 |
| Housing | rectangular |
| Dimensions[mm] [mm] | 40 x 26 x 26 |
Application
| Application | position sensor for valve actuators |
Electrical data
| Operating voltage[V] [V] | 10...30 DC |
| Current consumption[mA] [mA] | 15; (24 V) |
| Protection class | II |
| Reverse polarity protection | yes |
Outputs
| Electrical design | PNP |
| Output function | 2 x normally open |
| Max. voltage drop switching output DC[V] [V] | 2.5 |
| Permanent current rating of switching output DC[mA] [mA] | 200 |
| Switching frequency DC[Hz] [Hz] | 1300 |
| Short-circuit protection | yes |
| Type of short-circuit protection | pulsed |
| Overload protection | yes |
Detection zone
| Sensing range[mm] [mm] | 4 |
| Real sensing range Sr[mm] [mm] | 4 ± 10 % |
| Operating distance[mm] [mm] | 0...3.25 |
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] | -25...80 |
| Protection | IP 67 |
Tests / approvals
| EMC | EN 60947-5-2; EN 55011; class B |
| EN 55011 | class B |
| MTTF[years] [years] | 1064 |
Mechanical data
| Weight[g] [g] | 135.5 |
| Housing | rectangular |
| Mounting | non-flush mountable |
| Dimensions[mm] [mm] | 40 x 26 x 26 |
| Materials | PBT; PC |
Displays / operating elements
| Display | switching status; 2 x LED, yellow |
| switching status | 2 x LED, yellow |
Remarks
| Pack quantity | 1 pcs. |
Electrical connection
| Cable | 2 m, PVC; 4 x 0.34 mm² |
