Siemens 3SE03-BT3 Limit Switch (3SE03-DT3 3SE03-SB 3SE03-RB) 3SE03BT3

Description:

The Siemens 3SE03-BT3 Limit Switch is used in industrial automation systems for position detection and end-of-travel control of moving machine components. Commonly installed in conveyor systems, machine tools, packaging equipment, and automated production lines requiring reliable mechanical switching. Maintenance teams and system integrators use this part for replacement, retrofit, and maintaining consistent machine operation.

Applications:

The Siemens 3SE03-BT3 limit switch is used in industrial environments where accurate and repeatable position sensing is required. It is commonly applied in conveyor systems for object detection, packaging and bottling lines for sequence control, machine tools for axis limit positioning, and material handling systems to prevent overtravel and equipment damage.

Technical Specifications:

• Brand: Siemens
• Part Number: 3SE03-BT3
• Series: A1
• Product Type: Limit Switch
• Compatible Variants: 3SE03-DT3, 3SE03-SB, 3SE03-RB
• Actuator Type: Roller top plunger
• Contact Configuration: 2 NO + 2 NC
• Switching Mechanism: Snap action
• Rated Operational Voltage: Up to 240 VAC / 250 VDC
• Rated Current: Up to 6 A (AC-15), 3 A (DC-13)
• Mechanical Life: Up to 10 million operations
• Electrical Life: Up to 1 million operations
• Protection Rating: IP65
• Housing Material: Metal enclosure
• Operating Temperature: -25°C to +85°C
• Mounting Type: Panel or surface mounting
• Cable Entry: M20 threaded

Common Replacements:

• Siemens 3SE03-DT3 Limit Switch
• Siemens 3SE03-SB Limit Switch
• Siemens 3SE03-RB Limit Switch