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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3SF1234-1QV40-1BA1 |
| Alternative Part Number | 3SF12341QV401BA1 |
| Manufacturer | Siemens |
| Product Designation | Position switch with separate actuator with ASIsafe |
| Voltage Type | DC |
| Insulation Voltage Rated Value | 30 V |
| Degree of Pollution | Class 3 |
| Mechanical Operating Cycles | Typical 1,000,000 |
| Repeat Accuracy | 0.1 mm |
| Contact Element Design | Slow-action contacts |
| Number of NC Contacts | 2 for auxiliary contacts |
| Switching Function Design | Positive opening |
| Number of NO Contacts | 0 for auxiliary contacts |
| Vibration Resistance | 0.35 mm / 5g |
| Shock Resistance | 30g / 11 ms |
| Ambient Operating Temperature Range | -25 … +60 °C |
| Storage Temperature Range | -40 … +80 °C |
| Sensor Width | 31 mm |
| Enclosure Material | Plastic |
| Operating Mechanism Design | 5 directions of approach |
| Actuating Speed | 0.4 … 0.5 mm/s |
| Minimum Actuating Force | 20 N |
| Protection Class | IP65 |
| Mounting Position | Any |
| Electrical Connection Design | M12 plug, fixed, 4-pole |
| Plug-in Connection Design | M12 plug, 4-pole: Pin 1 = ASI+, Pin 2 = not assigned, Pin 3 = ASI-, Pin 4 = not assigned |
| Optional Actuators | Various models available for different mounting and actuating requirements |
| Safety Approval | Functional Safety/Safety of Machinery, Declaration of Conformity, Test Certificates available |
The Siemens 3SF1234-1QV40-1BA1 is a high-quality safety position switch designed to ensure operational integrity in a variety of industrial settings. This component is part of the SIRIUS product family, renowned for its reliability and performance. It features a separate actuator and is capable of detecting five different directions of approach, making it versatile for numerous applications.
Constructed with a robust plastic enclosure that conforms to EN 50047 standards, the switch is equipped with ASIsafe integrated electronics, enhancing its safety credentials. The AS-i status is clearly indicated with three different signals: F-IN1, F-IN2, and AS-i/FAULT, ensuring straightforward monitoring.
The switch boasts slow-action contacts with two normally closed (NC) circuits, which are designed to provide a positive opening operation. This is a critical feature for safety functions, as it ensures that the contacts will open in the event of a fault, thereby providing an additional layer of protection.
With an insulation voltage rated at 30V and a high degree of pollution class 3, the switch is built to withstand challenging industrial environments. It also offers impressive mechanical durability, with a typical service life of 1,000,000 switching cycles, and a repeat accuracy of 0.1 mm, ensuring consistent performance over time.
The unit is designed for flexibility in installation, with an any-orientation mounting position and a secure screw fixing method. The electrical connection is facilitated via a fixed M12 plug with a 4-pole design, streamlining the integration process into existing systems.
The 3SF1234-1QV40-1BA1 operates within a wide temperature range, from -25°C to +60°C during operation, and can be stored in temperatures ranging from -40°C to +80°C. This makes it suitable for a broad spectrum of climatic conditions.
Overall, the Siemens 3SF1234-1QV40-1BA1 is a dependable choice for those seeking a safety position switch that offers both versatility and assured performance in safeguarding machinery and processes.
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Frequently Asked Questions
What type of enclosure does this safety position switch have?
The safety position switch comes with a moulded-plastic enclosure, which conforms to the EN 50047 standard.
Can this switch be used with AS-Interface communication?
Yes, this switch is equipped with ASIsafe integrated electronics, making it compatible with AS-Interface communication systems.
What is the degree of protection provided by this switch?
This switch is rated with a protection class of IP65, ensuring a high level of protection against dust ingress and water jets.
What are the operating and storage temperature ranges for this switch?
The operating temperature range for this switch is -25 to +60 degrees Celsius, and the storage temperature range is -40 to +80 degrees Celsius.
How many mechanical operating cycles can this switch withstand?
The switch is designed to withstand typically 1,000,000 mechanical operating cycles, highlighting its durability.
What type of contacts does this switch feature?
This switch features slow-action contacts with 2 normally closed (NC) contacts for auxiliary purposes.
What is the repeat accuracy of this switch?
The switch boasts a repeat accuracy of 0.1 mm, ensuring precise operation.
What is the insulation voltage rating for this switch?
The insulation voltage rated value for this switch is 30 V.
What are the dimensions of this switch?
The switch has a width of 31 mm and a length that typically measures 118 mm.
What type of electrical connection does this switch use?
This switch utilises an M12 plug, fixed, 4-pole type of electrical connection.
Is there a specific mounting position required for this switch?
The switch can be mounted in any position, providing flexibility in installation.
What actuating speed and force are required for this switch?
The actuating speed is between 0.4 and 0.5 mm/s or m/s, and the minimum actuating force required is 20 N.
Part conditions explained
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