Data sheet

SIES-8M-NO-24V-K-2,5-M8D (551403) Proximity sensor
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OT-FESTO027690
Example illustration
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Complies to standard EN 60947-5-2
Permission RCM mark,
c UL us - Listed (OL)
CE certificate (see declaration of conformity) to EU EMC directive
Material information Copper and PTFE-free,
RoHs compliant
Measurement switching distance [mm] 1,5
Reduction factors Steel pc. 37 = 1.0,
aluminium = 0,62,
stainless steel V2A = 0,95,
Copper = 0.6,
brass = 0,72
ambient temperature [°C] -25 to 70
Control output NPN
Switching element function NC contact
Max. switching frequency [Hz] 4.500
Short circuit resistance Cycling
Operating voltage range DC [V] 10 to 30
Empty run current [mA] <= 10 mA
Reverse polarity protection for all electrical connections
Electrical connection M8x1,
3 pin,
Cable with plug,
Rotating thread
Cable length [MTR] 2,5
Cable sleeve material TPE-U(PU)
size Slot 8
Fastening type Insertable from above into the slot,
Permanently screwed,
Flush with T-slot
Housing material PA,
PUR,
High-alloyed stainless steels,
brass nickel-plated
LABS (PWIS) conformity LED yellow
Protection category IP65,
IP67
Max. output current [mA] 150
Design For T-slot
Material information KC-EMV
Repeatability at constant conditions <= 0.05 mm, side approaching
Connection outlet direction along
Test conditions line Bending radius strength to Festo standard,
Cable track: 5 million cycles, bending radius 75 mm,
Test conditions on request
Line properties Standard+cable track
Ambient temperature for moving cable placements [°C] -5 to 70
Insulation voltage [V] 50
Surge voltage strength [kV] 0,8
Degree of contamination 3
Further information:
{{ $t('shop.all.gewicht') }} 45 g / pcs
{{ $t('shop.all.gtin') }} 4052568095000
{{ $t('shop.display.artikel.zollwarennummer') }} 85365019
{{ $t('shop.all.hersteller') }} Festo
Figure
More information on this item and the process for ordering it can be found in our online shop https://www.landefeld.de under item number OT-FESTO027690.
Landefeld Druckluft und Hydraulik GmbH · Konrad-Zuse-Straße 1 · 34123 Kassel · Germany
All data are to be understood as non-binding reference values! We do not assume liability for any data selection not confirmed in writing. Unless otherwise specified, pressure values refer to liquids from Group II at +20°C.
Our products arid goods are generally only intended for industrial and commercial uses.
As of: 08.12.2025