SIEMENS 3SE03-BT3 LIMIT SWITCH ROLLER TOP PLUNGER 2NO2NC SNAP ACTION 3SE03BT3

Description:

The Siemens 3SE03-BT3 Roller Top Plunger Limit Switch is used in industrial automation systems for position detection and end-of-travel control. Commonly installed in conveyor systems, machine tools, packaging equipment, and automated machinery requiring snap-action switching. Maintenance teams and system integrators use this part for replacement, retrofit, and ensuring reliable switching performance in demanding environments.

Applications:

The Siemens 3SE03-BT3 limit switch is used in industrial systems where precise and repeatable mechanical actuation is required. It is commonly applied in conveyor lines for object detection, packaging machines for position verification, machine tools for limit control, and material handling systems to prevent overtravel and ensure safe operation.

Technical Specifications:

• Brand: Siemens
• Part Number: 3SE03-BT3
• Product Type: Roller Top Plunger Limit Switch
• 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-BT4 Limit Switch
• Siemens 3SE5 112-0CE01 Limit Switch
• Schneider Electric XCKJ10541 Limit Switch