AVENTICS R412019490 Series ST4 magnetic cylinder sensor supplied with the BALLUFF connection cable shown in the photos.

The R412019490 is a Reed-type magnetic proximity sensor designed for pneumatic cylinder position detection. It is designed for a 4 mm slot and features a normally open switching function, yellow LED status indication, and an M8 3-pin electrical connection.

Specifications:

• Manufacturer: AVENTICS
• Part Number / MPN: R412019490
• Series: ST4
• Type: Magnetic pneumatic cylinder sensor
• Measurement Principle: Reed
• Switching Logic: Normally Open (NO)
• Slot Width: 4 mm
• Operating Voltage: 5–30 V DC
• Maximum DC Switching Current: 0.13 A
• Maximum AC Switching Current: 0.13 A
• Voltage Drop at Maximum Current: ≤0.5 V
• Switching Point Precision: ±0.1 mT
• Status Indicator: Yellow LED
• Sensor Cable Length: 0.3 m
• Cable Sheath: Polyurethane
• Electrical Connection: M8, 3-pin plug
• Protection Rating: IP65 / IP67
• Operating Temperature: -30 to +80 °C
• Housing: Fiberglass-reinforced polyamide
• Polarity Reversal Protection
• BALLUFF connection cable included as pictured

The exact BALLUFF cable part number and total cable length are not confirmed.

Used, fully functional.