The Siemens 3SE52320CC05 is a SIRIUS 3SE5 mechanical position switch designed for reliable position detection, limit monitoring, and machine-control applications. It features a plastic enclosure according to EN 50047, a 31 mm enclosure width, 1 × M20 × 1.5 device connection, 1 NO + 1 NC replaceable quick-action contacts, and a rounded plunger Form B. Siemens lists 3SE5232-0CC05 as the market-facing article number for this product.
The switch uses a mechanical actuation principle to convert the movement of a machine component into an electrical switching signal. It is suitable for applications such as machine position monitoring, mechanical limit detection, production machinery, conveyors, packaging equipment, and industrial automation.
The Siemens 3SE52320CC05 position switch is used to detect the position or movement of mechanical machine components.
When a moving component reaches the switch, it operates the rounded plunger, causing the internal contacts to change state. The resulting signal can then be incorporated into an appropriate PLC, control, monitoring, or interlocking circuit.
The product belongs to the SIRIUS 3SE5 mechanical position switch family and is designed for industrial position and location detection.
Typical applications include:
Siemens documentation confirms the product's IP65 protection, positive-opening function, 0.05 mm repeat accuracy, 15 million typical mechanical operating cycles, and 31 mm width.
The 3SE52320CC05 provides 1 normally open (NO) and 1 normally closed (NC) contact.
This combination gives flexibility when connecting the position switch to a machine control or monitoring circuit.
The contacts can be used for functions such as:
The contacts are replaceable, which is useful for maintenance and service requirements. Siemens identifies the supplied switching contact assembly as 3SE5000-0CA00.
The switch uses a rounded plunger, Form B, designed according to the applicable EN 50047 configuration.
The plunger provides direct mechanical actuation when contacted by a moving machine component. This makes it suitable for detecting defined machine positions and mechanical travel limits.
The rounded design can provide a practical contact surface for machine mechanisms that repeatedly operate the switch during normal operation.
The 3SE52320CC05 uses a 31 mm plastic enclosure according to EN 50047.
The compact enclosure is suitable for machinery where installation space is limited while a standardized mechanical position switch is required.
Siemens lists the 31 mm 3SE5 plastic-enclosure family with different actuator and contact configurations, including both slow-action and snap/quick-action versions.
The position switch has 1 × M20 × 1.5 device connection.
This provides a standardized connection arrangement for industrial wiring and cable entry.
Correct cable glands and installation methods should be used to maintain the intended enclosure protection and ensure reliable operation.
The corresponding Siemens product is specified with an IP65 degree of protection.
This makes the switch suitable for many industrial environments where protection against dust and water jets is required.
Proper installation is still essential to maintain the specified protection level. For extremely harsh environments, chemical exposure, continuous immersion, or specialized washdown applications, the complete environmental requirements should be checked before selection.
The 3SE52320CC05 has a typical mechanical service life of 15 million operating cycles. Siemens also specifies a typical electrical endurance of 100,000 operating cycles at AC-15 and 230 V.
The switch has a specified 0.05 mm repeat accuracy, supporting repeatable mechanical position detection in suitable applications.
These characteristics make the product suitable for repetitive industrial machine-control and position-monitoring applications.
The Siemens 3SE52320CC05 position switch can be used in:
For OEM machine manufacturers, the 3SE52320CC05 provides a compact and standardized mechanical position-monitoring solution.
The combination of a 31 mm plastic enclosure, rounded Form B plunger, and 1 NO + 1 NC quick-action contacts provides flexibility for machine-control applications.
The replaceable contact arrangement can also be beneficial during maintenance, particularly in machines with frequent switching operations.
For panel builders and maintenance teams, the switch provides a conventional mechanical contact interface that can be integrated into suitable control circuits.
The M20 × 1.5 connection simplifies integration into compatible industrial wiring arrangements, while the IP65 enclosure provides protection suitable for many industrial installations.
For replacement applications, always verify the complete product designation, actuator type, contact configuration, connection, enclosure dimensions, and protection rating before ordering.
Siemens specifies the corresponding product as suitable for use as a safety switch and identifies a positive-opening function.
However, the 3SE52320CC05 should not be treated as a complete machine safety system by itself.
The overall safety function depends on the complete safety architecture, including the safety switch, safety relay or controller, contactors, feedback circuits, machine controls, wiring, protective devices, and risk assessment.
The complete safety function should be appropriately designed, verified, and validated before commissioning.
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The 3SE52320CC05 is a Siemens SIRIUS 3SE5 mechanical position switch with a plastic EN 50047 enclosure, 31 mm width, M20 × 1.5 connection, 1 NO + 1 NC quick-action contacts, and a rounded Form B plunger.
It has a rounded plunger, Form B.
It provides 1 NO + 1 NC quick-action contacts. The contacts are replaceable.
It has 1 × M20 × 1.5 device connection.
The enclosure width is 31 mm according to the EN 50047 configuration.
The product has an IP65 degree of protection.
Yes. The product is supplied with replaceable quick-action contacts.
Yes, Siemens specifies the corresponding product as suitable for use as a safety switch with positive opening. The complete safety function must still be designed and validated as part of the overall machine safety system.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3SE5 |
| Model Number | 3SE5232-0CC05 |
| Variant | CC05 |
| Product Type | Emergency Pull Wire Switch |
| Contact Configuration | 1NO + 1NC |
| Switching Function | Snap-action |
| Actuator Type | Rope / Wire pull mechanism |
| Housing Material | Industrial-grade polymer/metal (series dependent) |
| Connection Type | Screw terminals |
| Cable Entry | M20 × 1.5 |
| Rated Voltage | 24 V DC / 125 V AC (typical SIRIUS range) |
| Rated Current | Up to 6 A AC / 3 A DC |
| Protection Class | IP65 |
| Operating Temperature | -25°C to +85°C |
| Mechanical Life | Up to 15 million operations |
| Electrical Life | Up to 100,000 operations |
| Mounting | Panel / surface mounting |
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