IFM SI8518

MPN
SI8518
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  • 12-month warranty (new) · 3-month (used/refurbished)
  • 30-day returns, no restocking fee on unused parts
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What is the IFM SI8518?

Reliable monitoring of liquids and gases in pipes

Process connection with supplied adapter

Easy setting of the switch points for quick set-up

Robust housing for use in harsh industrial environments

LED bar graph for indication of switch point and flow

Specifications

Product characteristics

Number of inputs and outputsNumber of digital outputs: 1
Process connectionthreaded connection 1/2" NPT external thread

Application

MediaLiquids; Gases
Medium temperature[°C] [°C]-25...80
Pressure rating30 bar; 3 MPa
30 bar3 MPa

Electrical data

Operating voltage[V] [V]20...36 DC; (according to EN 50178 SELV/PELV ; with reference to UL: "limited voltage" with overcurrent protection in accordance with UL508)
Current consumption[mA] [mA]< 80
Reverse polarity protectionyes
Power-on delay time[s] [s]10; (optically indicated)

Inputs / outputs

Number of inputs and outputsNumber of digital outputs: 1

Outputs

Total number of outputs1
Output signalswitching signal
Electrical designPNP
Number of digital outputs1
Output functionnormally open / normally closed; (parameterisable)
Max. voltage drop switching output DC[V] [V]2.5
Permanent current rating of switching output DC[mA] [mA]400
Short-circuit protectionyes
Type of short-circuit protectionpulsed
Overload protectionyes

Measuring/setting range

Probe length L[mm] [mm]45
Setting range[cm/s] [cm/s]200...3000
Greatest sensitivity[cm/s] [cm/s]200...800

Response times

Response time[s] [s]1...10

Software / programming

Adjustment of the switch point+/- pushbutton

Operating conditions

Ambient temperature[°C] [°C]-25...80
ProtectionIP 67

Tests / approvals

Shock resistanceDIN IEC 68-2-27; 50 g (11 ms)
DIN IEC 68-2-2750 g (11 ms)
Vibration resistanceDIN EN 60068-2-6; 20 g (55...2000 Hz)
DIN EN 60068-2-620 g (55...2000 Hz)

Mechanical data

Weight[g] [g]326.586
Housingrectangular
Dimensions[mm] [mm]72 x 42 x 109
MaterialsPBT-GF20
Materials (wetted parts)stainless steel (316L/1.4404); O-ring: FKM 80 Shore A
Process connectionthreaded connection 1/2" NPT external thread
Probe diameter[mm] [mm]8.2
Installation length EL[mm] [mm]27.5

Displays / operating elements

Displayfunction; 10 x LED, three-colour
function10 x LED, three-colour

Accessories

Items suppliedAdapter: 1 x 1/2-14NPT, E40107

Remarks

Pack quantity1 pcs.

Electrical connection

Connector1 x M12; coding: A

SI8518: frequently asked questions

When can SI8518 be shipped?

SI8518 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 SI8518 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 SI8518 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 SI8518, subject to availability and destination.

More IFM parts

IFM SI8518Price and lead time confirmed within 1 business day
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