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Siemens
3SB3500-1HA20
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Check similar products or call us on +44 20 4570 3439 for assistance
This part is currently sold out
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3SB3500-1HA20 |
| Alternative Part Number | 3SB35001HA20 |
| Manufacturer | Siemens |
| Actuator Type | Emergency Stop Mushroom Pushbutton |
| Mounting Type | Front Mounting |
| Shape of Installation Opening | Round |
| Mounting Diameter | 22 mm |
| Mounting Height | 49 mm |
| Installation Width | 40.5 mm |
| Installation Depth | 29 mm |
| Colour | Red |
| Material | Metal (actuator), Plastic (element of actuation) |
| IP Protection Class | IP67 |
| Operating Frequency Maximum | 1,000 operations per hour |
| Mechanical Service Life | Typically 300,000 switching cycles |
| Ambient Operating Temperature | -25 to +70 °C |
| Storage Temperature | -40 to +80 °C |
| Environmental Category | 3K6 according to IEC 60721 |
| Vibration Resistance | According to IEC 60068-2-6: 20 ... 200 Hz, 5g |
| Shock Resistance | For devices without bulb according to IEC 60068-2-27: <= 50g |
| Safety Related Data | B10 value with high demand rate according to SN 31920: 100,000; Proportion of dangerous failures: 20 years |
| Compliance | Functional Safety/Safety of Machinery |
The Siemens 3SB3500-1HA20 is a robust and reliable round actuator designed for emergency stop applications. This 22mm metal actuator features a prominent red mushroom pushbutton with a 40mm diameter, providing a clear and accessible control point for safety operations. The actuator is equipped with a latch mechanism that requires rotation to unlatch, ensuring secure and intentional activation when needed.
Constructed with durability in mind, the 3SB3500-1HA20 is capable of withstanding harsh industrial environments, boasting an IP67 protection rating against dust and water ingress. It is also vibration resistant, adhering to IEC 60068-2-6 standards, which ensures stable performance in settings with frequent movement or mechanical disturbances.
The actuator's mechanical service life is impressive, with a typical lifespan of 300,000 switching cycles, making it a long-lasting solution for machinery and control panels. It operates efficiently within a wide temperature range, from -25°C to +70°C during operation, and can be stored in temperatures ranging from -40°C to +80°C.
Designed for front mounting with a round installation opening, the Siemens 3SB3500-1HA20 has a mounting diameter of 22mm, a mounting height of 49mm, and an installation depth of 29mm, allowing for straightforward integration into various control systems. Its metal holder adds to the overall sturdiness and longevity of the unit.
This actuator is an essential component for any system that prioritises safety and requires a dependable emergency stop function. It is suitable for a wide range of industrial applications where quick and clear access to an emergency stop control is necessary.
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Frequently Asked Questions
What is the function of this emergency stop pushbutton?
The emergency stop pushbutton is designed to halt machinery and processes in case of an emergency. It has a latching mechanism that requires rotation to release, ensuring that the stop command is deliberate and secure.
Can this actuator be used in outdoor environments?
Yes, the actuator is rated with an IP67 protection class, making it suitable for use in environments where it may be exposed to dust and water.
What is the mechanical service life of this actuator?
The actuator has a typical mechanical service life of 300,000 switching cycles, indicating its durability and reliability over time.
What are the ambient temperature limits for operating this actuator?
The actuator can operate within an ambient temperature range of -25 to +70 degrees Celsius, ensuring functionality in a variety of climate conditions.
What type of mounting does this actuator require?
This actuator requires front mounting with a round installation opening, making it compatible with standard 22mm diameter cutouts.
Is there a specific torque requirement for the screws in the bracket?
Yes, the screws in the bracket should be tightened to a torque of 1.4 to 1.6 N·m to ensure secure installation without damaging the unit.
What is the vibration resistance of this actuator?
The actuator can withstand vibrations according to IEC 60068-2-6 standards, with a frequency range of 20 to 200 Hz at 5g, making it robust for industrial use.
What is the significance of the B10 value for this actuator?
The B10 value indicates the number of cycles before 10% of components of a similar type are expected to fail under a high demand rate, which is 100,000 for this actuator.
How does the emergency stop function of this actuator comply with safety standards?
The actuator complies with ISO 13850, which specifies emergency stop device requirements, ensuring it meets safety standards for machinery control.
What materials are used in the construction of this actuator?
The actuator features a metal holder for robustness and a plastic actuating element, providing a balance of durability and user safety.
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