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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3SE5122-0BH50 |
| Alternative Part Number | 3SE51220BH50 |
| Manufacturer | Siemens |
| Product Brand Name | SIRIUS |
| Product Designation | Mechanical Position Switches |
| Product Type Designation | 3SE5 |
| Enclosure Material | Metal with cathodic dip coating |
| Enclosure Width | 56 mm |
| Device Connection | 3x (M20x1.5) |
| Contact Configuration | 1 NO/1 NC slow-action contacts |
| Actuator Type | Rotary actuator right/left adjustable |
| Lever Type | Adjustable-length metal lever |
| Lever Length | 100 mm |
| Roller Material | Plastic |
| Roller Diameter | 19 mm |
| Insulation Voltage Rated Value | 400 V |
| Degree of Pollution | Class 3 |
| Surge Voltage Resistance Rated Value | 6 kV |
| Protection Class IP | IP66/IP67 |
| Shock Resistance | 30g / 11 ms (according to IEC 60068-2-27) |
| Vibration Resistance | 0.35 mm/5g (according to IEC 60068-2-6) |
| Mechanical Service Life | Typical 15,000,000 operating cycles |
| Electrical Endurance | Typical 100,000 operating cycles at AC-15 at 230 V |
| Thermal Current | 10 A |
| Operating Frequency Rated Value | 50 ... 60 Hz |
| Number of NC Contacts for Auxiliary | 1 |
| Number of NO Contacts for Auxiliary | 1 |
| Operational Current at AC-15 | 6 A at 24/125/240 V, 4 A at 400 V |
| Operational Current at DC-13 | 3 A at 24 V, 0.55 A at 125 V, 0.27 A at 250 V, 0.12 A at 400 V |
| Ambient Operating Temperature | -25 ... +85 °C |
| Ambient Storage Temperature | -40 ... +90 °C |
| Mounting Position | Any |
| Fastening Method | Screw fixing |
| Electrical Connection | Screw-type terminals |
| Connectable Conductor Cross-sections | Solid: 1x (0.5 ... 1.5 mm²), 2x (0.5 ... 0.75 mm²); Stranded: 1x (0.5 ... 1.5 mm²), 2x (0.5 ... 0.75 mm²) |
| AWG Cables | Solid: 1x (20 ... 16), 2x (20 ... 18); Stranded: 1x (20 ... 16), 2x (20 ... 18) |
| Commodity Code | 853650 |
The Siemens 3SE5122-0BH50 is a robust position switch designed for a variety of industrial applications. Encased in a durable metal enclosure measuring 56 mm in width, this switch is engineered to withstand harsh environments, boasting protection ratings of IP66/IP67. It features a device connection with 3x (M20x1.5) and is equipped with 1 NO/1 NC slow-action contacts, ensuring reliable performance and connectivity.
This switch's rotary actuator is adjustable for both right and left directions and comes with an adjustable-length metal lever that is 100 mm long, topped with a plastic roller of 19 mm. This flexibility allows for precise operation and adaptability to different actuation angles and positions. The mechanical service life of the switch is impressive, with a typical endurance of 15 million operating cycles, and an electrical endurance at AC-15 at 230 V of around 100,000 cycles, highlighting its longevity and reliability.
The 3SE5122-0BH50 is not just built to last but also designed for ease of installation with its any-mounting position capability and screw fixing method. Its screw-type terminals accommodate various conductor cross-sections, both solid and finely stranded, making it versatile for different wiring requirements.
With its mechanical operating principle and repeat accuracy of 0.05 mm, the Siemens 3SE5122-0BH50 ensures precise operation, making it an essential component for industrial automation systems where accurate position detection is critical.
Commonly Asked Questions
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Frequently Asked Questions
What type of enclosure does this position switch have?
The position switch comes with a metal enclosure that is 56 mm wide, providing a robust and durable housing suitable for various industrial applications.
Is the position switch suitable for outdoor use?
Yes, the position switch is designed with protection class IP66/IP67, making it suitable for outdoor use as it is protected against dust and temporary immersion in water.
Can the actuator of the position switch be adjusted?
Yes, the position switch features a rotary actuator that is adjustable for both right and left directions. It also includes an adjustable-length metal lever and a plastic roller for precise operation.
What are the electrical connection options for this switch?
The switch is equipped with screw-type terminals and can accommodate solid or finely stranded conductors with or without core end processing, as well as AWG cables, both solid and stranded.
What is the mechanical service life of the position switch?
The mechanical service life of the position switch is typically around 15 million operating cycles, indicating a long-lasting performance in repetitive applications.
What are the operating temperature limits for this position switch?
The position switch can operate within an ambient temperature range of -25 to +85 degrees Celsius, ensuring reliable performance in a wide range of environmental conditions.
Does the position switch have a positive opening feature?
No, the 3SE5122-0BH50 position switch does not have a positive opening feature. It is designed with slow-action contacts for precise and reliable switching.
What is the rated insulation voltage for this switch?
The rated insulation voltage for the position switch is 400 V, which is suitable for various industrial control and automation applications.
How many auxiliary contacts does the position switch have?
The position switch is equipped with 1 normally closed (NC) and 1 normally open (NO) auxiliary contact, allowing for flexible integration into control circuits.
What is the surge voltage resistance of the position switch?
The position switch has a surge voltage resistance rated value of 6 kV, providing a good level of protection against voltage spikes.
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