Festo SDBT-MSB-1L-PU-K-0.3-M8 T-Slot Proximity Sensor

USD 27.36

PNP N/O proximity sensor for T-slots. IP67/IP68 rated with 0.3m M8 cable. Oil-resistant and suitable for energy chains.

SKU Festo-8150174 Category
Industrial Sensors / Proximity Switches

Festo SDBT-MSB-1L-PU-K-0.3-M8 T-Slot Proximity Sensor

Model Identifier SDBT-MSB-1L-PU-K-0.3-M8
Official Part Number 8150174
GTIN Standard 4052568580131

Technical Overview

The Festo 8150174 (SDBT-MSB-1L-PU-K-0.3-M8) is a magneto-resistive proximity sensor designed for T-slot pneumatic cylinders. Featuring a PNP switching output with a 3-wire normally open (N/O) contact, it provides precise and contactless binary position sensing for industrial automation tasks. It is equipped with a 0.3m polyurethane (PUR) cable ending in an M8 plug (3-pin, A-coded) and boasts a robust design with IP67 and IP68 ratings for extreme industrial environments.

Key Features

  • Insertable into the cylinder T-slot from above [2.10]
  • Magneto-resistive measuring principle with a PNP N/O contact
  • IP67 and IP68 degree of protection to IEC 60529
  • 0.3 m PUR cable specifically rated for energy chains
  • Yellow LED for visual switching status indication
  • Oil resistant, halogen-free, and copper-free materials

Rated operational voltage of 24 VDC (operating range 10-30 VDC) with reverse polarity protection and a maximum output current of 100 mA.

Technical Specification Matrix

ParameterValue
Measuring PrincipleMagneto-resistive [1.6]
Switching OutputPNP, N/O contact, 3-wire
Operating Voltage10 V ... 30 V DC
Max Output Current100 mA
Max Switching Frequency480 Hz
Voltage Drop≤0.5 V
Switching Time (On/Off)≤2.5 ms
Repetition Accuracy0.2 mm
Degree of ProtectionIP67, IP68 (IEC 60529)
Operating Temperature-20 °C ... 70 °C
Cable Specifications0.3 m PUR, suitable for energy chains
Electrical ConnectionM8x1 plug, 3-pin, A-coded
Housing MaterialPC (Polycarbonate)

Industrial Applications

1. High-SpeedActuatorEnd-of-StrokeDetection

Usingthesensor'sfast≤2.5msswitchingtimeand480Hzmaximumfrequencytoprovideexactlimitsensingonhigh-speedpneumaticlinearorsemi-rotarydrives[1.6].

Problem Solved

Prevents mechanical collisions and delays in high-throughput automation assembly machines by guaranteeing immediate PLC feedback when the actuator reaches its programmed target position.

480 Hz switching frequency≤2.5 ms response timePNP N/O contactMagneto-resistive

2. Moisture and Machining Fluid-Heavy Environments

Deploying the sensor in washdown zones, automated CNC loading stations, or areas with moderate moisture ingress due to its extreme waterproof ratings and oil resistance.

Problem Solved

Eliminates sensor shorting or degradation caused by coolant mists or washdowns, ensuring reliable binary position detection for automated pneumatic clamps.

IP67 / IP68Oil resistantPC housingIEC 60529

3. Dynamic Gantry and Moving Carriage Routing

Integrating the proximity switch on pneumatic actuators mounted to dynamic moving gantries, routing its 0.3m pigtail to a distribution block inside a flexible cable carrier.

Problem Solved

Solves cable fatigue and internal wire breakage issues typically found in continuous-flex applications thanks to the energy-chain-certified PUR sheath.

Energy chains suitablePUR cable sheathM8x1 A-coded connectorDynamic flex routing

[Download-Datasheet]

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