TURCK NI25U-CK40-AN6X2-H1141 W BS 2.1 Proximity Switch

Description:

The TURCK NI25U-CK40-AN6X2-H1141 W/BS 2.1 Proximity Sensor is used in industrial automation and machine control systems to provide non-contact detection of metallic objects using UPROX Factor 1 sensing technology and an NPN normally open output configuration. Commonly installed in conveyor systems, packaging machinery, material handling equipment, robotic work cells, and automated production lines requiring long-range metal detection and reliable position feedback. Maintenance teams and system integrators use this part for sensor replacement, machine retrofits, automation upgrades, and OEM equipment repairs.

Applications:

The TURCK NI25U-CK40-AN6X2-H1141 W/BS 2.1 is designed for industrial proximity sensing applications where consistent detection performance across steel, aluminum, brass, and stainless steel targets is required without physical contact. It is frequently used in pallet conveyors, machine tools, automotive assembly systems, packaging equipment, and automated manufacturing cells where accurate object detection improves machine reliability and reduces mechanical wear. The UPROX technology provides equal sensing distances for all metals while offering resistance to magnetic fields and harsh industrial environments.

Technical Specifications:

• Manufacturer: TURCK
• Model / Part Number: NI25U-CK40-AN6X2-H1141 W/BS 2.1
• Product Type: Inductive Sensor
• Sensor Technology: UPROX Factor 1 Inductive Sensor
• Housing Style: Rectangular CK40 Housing
• Housing Dimensions: 65 × 40 × 40 mm
• Sensing Distance: 25 mm nominal
• Output Type: NPN transistor output
• Output Function: Normally Open (NO)
• Supply Voltage: 10-30 VDC
• Rated Load Current: 200 mA maximum
• Switching Frequency: 250 Hz
• Connection Type: 4-pin M12 male connector (H1141) with BS 2.1 mounting bracket assembly
• Mounting: Flush installation
• Housing Material: PBT-GF20-V0 reinforced plastic
• Active Face Material: PA12-GF30
• Protection Rating: IP68
• Operating Temperature: -30°C to +85°C
• LED Indicators: Green power LED and yellow switching LED
• Special Features: UPROX sensing for all metals, magnetic field resistant, self-compensating pre-damping protection, rotatable sensing face in multiple positions
• Application: Metal object detection, machine positioning, and industrial automation control systems.

Common Replacements:

• TURCK NI25U-CK40-AP6X2-H1141
• TURCK NI20U-CK40-AN6X2-H1141
• TURCK NI35U-CK40-AN6X2-H1141