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Festo SME-8-K-LED-24 (Order No. 150855)
- Core Dimensions
| Paramètre | Valeur | Remarques |
| Longueur | ||
| Sensor body length (L3) | 28.8 mm | Length of the sensor body |
| Effective sensing length (L4) | 26.3 mm | Effective working length in T‑slot |
| Supplied cable length | 2.5 m | Grey TPE-U(PUR) cable |
| Hauteur | ||
| Body height (H1) | 4.3 mm | Thickness of the sensor body |
| Total height (including mounting reference) | 6.4 mm | Total height after installation |
| Largeur | ||
| Largeur (B1) | 5 mm | Sensor width |
| Mounting slot width (B2) | 2.9 mm | Compatible T‑slot width |
- Basic Features & Fonctions
Sensing principle: Magnetic reed switch (for T-slot cylinder position detection)
Switch type: Normally open (N/O) contact, bipolar output
LED indication: Yellow LED (lights when powered and magnetic field detected)
Montage: Clamp mounting on T-slot, insertable longitudinally; maximum. tightening torque 0.2 Nm
Classe de protection: IP65/IP67 (dust-tight, splash-proof / water-resistant)
Poids: 30 g
Housing material: Epoxy resin, PC, PET, high-alloy stainless steel (black)
- Electrical Specifications
| Paramètre | Valeur |
| Operating voltage | AC/DC 12–30 V (rated 24 V) |
| Max. output current | 500 mA |
| Max. switching frequency | 800 Hz |
| Switching capacity | CA 10 Virginie, CC 10 W |
| Turn‑on time | ≤0.5 ms |
| Turn‑off time | 0.03 MS |
| Voltage drop | 0 V (ideal switching characteristic) |
| Câblage | 3‑wire cable (3×0.14 mm²), axial outlet |
- Ambient Conditions
Température de fonctionnement: -40°C à +60°C (fixed cable), -5°C à +60°C (moving cable)
Storage temperature: -40°C à +80°C
Vibration resistance: 10–55 Hz, 1 mm amplitude, 2 hours continuous
Shock resistance: 50 g, 11 ms pulse duration
Festo SME Series Full Model List & Cross-Reference Order Numbers
- SME Series Overview
Festo SME series are magnetic reed switches, divided into two main sub-series:
SME-8 series: For T-slot cylinders, side-insert mounting
SME-10 series: For round / C-slot cylinders, longitudinal insertion
- SME-8 Series Full List (T-slot)
2.1 Standard Side-Insert Type (SME-8-…)
| Modèle | Order No. | Switch Type | Connexion | Cable Length | DIRIGÉ |
| SME-8-K-LED-24 | 150855 | 3‑wire N/O (bipolar) | Axial cable | 2.5 m | Yellow |
| SME-8-O-K-LED-24 | 160251 | 3‑wire N/C (bipolar) | Axial cable | 2.5 m | Yellow |
| SME-8-ZS-K-LED-24 | 171169 | 2‑wire N/O | Axial cable | 2.5 m | Yellow |
| SME-8-SL-LED-24 | 526622 | 3‑wire N/O (bipolar) | M8 plug (0.3 m) | 0.3 m | Yellow |
| SME-8-SQ-LED-24 | – | 3‑wire N/O (bipolar) | M8 plug (0.3 m) | 0.3 m | Yellow |
| SME-8-K5-LED-24 | 175404 | 3‑wire N/O (bipolar) | Axial cable | 5 m | Yellow |
2.2 Top-Insert Type (SME-8M-…)
| Modèle | Order No. | Switch Type | Connexion | Cable Feature |
| SME-8M-DS-24V-K-2.5-OE | 543862 | 3‑wire N/O | Axial cable | Standard (2.5 m) |
| SME-8M-DO-24V-K-2.5-OE | 543861 | 3‑wire N/C | Axial cable | Standard (2.5 m) |
| SME-8M-ZS-24V-K-2.5-OE | – | 2‑wire N/O | Axial cable | Standard (2.5 m) |
| SME-8M-DS-24V-E-0.3-M8D | – | 3‑wire N/O | M8 plug | Flex‑resistant (0.3 m) |
- SME-10 Series Full List (C-slot)
3.1 Longitudinal Insert Type (SME-10-…)
| Modèle | Order No. | Switch Type | Connexion | Cable Length | DIRIGÉ |
| SME-10-KL-LED-24 | – | 3‑wire N/O (bipolar) | Axial cable | 2.5 m | Yellow |
| SME-10-KQ-LED-24 | – | 3‑wire N/O (bipolar) | Lateral cable | 2.5 m | Yellow |
| SME-10-SL-LED-24 | – | 3‑wire N/O (bipolar) | M8 plug (0.3 m) | 0.3 m | Yellow |
| SME-10-SQ-LED-24 | 173213 | 3‑wire N/O (bipolar) | M8 plug (0.3 m) | 0.3 m | Yellow |
3.2 Top-Insert Type (SME-10M-…)
| Modèle | Order No. | Switch Type | Connexion | Cable Feature |
| SME-10M-DS-24V-E-0.3-L-M8D | 551367 | 3‑wire N/O | M8 plug | Flex‑resistant (0.3 m) |
| SME-10M-DO-24V-E-0.3-L-M8D | – | 3‑wire N/C | M8 plug | Flex‑resistant (0.3 m) |
| SME-10M-ZS-24V-E-2.5-OE | – | 2‑wire N/O | Axial cable | Standard (2.5 m) |
- Cross-Brand Reference (Alternative Part Numbers)
| Festo Model | Order No. | SMC Equivalent | AIRTAC Equivalent | Norgren Equivalent |
| SME-8-K-LED-24 | 150855 | D-M9NL (3‑wire N/O) | DMSG-020 (3‑wire N/O) | RM/8300/M/24 |
| SME-8-O-K-LED-24 | 160251 | D-M9PL (3‑wire N/C) | DMSH-020 (3‑wire N/C) | RM/8301/M/24 |
| SME-8-ZS-K-LED-24 | 171169 | D-M9BL (2‑wire N/O) | DMSE-020 (2‑wire N/O) | RM/8302/M/24 |
| SME-10M-DS-24V-E-0.3-L-M8D | 551367 | D-C73L (C‑slot) | DMSG-P020 (C‑slot) | – |
| SME-8M-DS-24V-K-2.5-OE | 543862 | D-M9NL (T‑slot) | DMSG-020 (T‑slot) | – |
- Selection Key Parameters
- Switch type
K/DS: 3-wire N/O (bipolar), AC/DC universal
O/DO: 3-wire N/C (bipolar), AC/DC universal
ZS: 2-wire N/O, AC/DC universal
- Connexion
K/KL: Axial cable outlet
KQ: Lateral cable outlet
SL/SQ: M8 plug connection
- Mounting style
SME-8: Side insertion into T-slot
SME-8M: Top insertion into T-slot
SME-10: Longitudinal insertion into C-slot
SME-10M: Top insertion into C-slot
- Classe de protection: IP65/IP67, adapté aux environnements industriels difficiles
