The Siemens 3SE52320CC058K is a SIRIUS 3SE5 mechanical position switch designed for reliable position detection, limit monitoring, and machine-control applications. It features a 31 mm plastic enclosure according to EN 50047, a 1 x M20 × 1.5 device connection, 1 NO + 1 NC replaceable quick-action contacts, and a rounded plunger, Form B. Siemens lists the corresponding market-facing article as 3SE5232-0CC05.
The switch uses a mechanical actuation principle and is suitable for industrial machinery where movement or position needs to be converted into an electrical switching signal. Siemens specifies IP65 protection, positive opening, and suitability for use as a safety switch for the corresponding product.
The Siemens 3SE52320CC058K position switch is used to detect the position or movement of mechanical components in industrial equipment.
When a moving machine component operates the rounded plunger, the quick-action contacts change state. The resulting electrical signal can be connected to a suitable control circuit, PLC input, machine-control system, or monitoring circuit.
Typical applications include:
The switch is also listed by Siemens as suitable for safety-switch applications and with a positive-opening function. The complete safety function, however, must be designed and validated as part of the overall machine safety system.
Siemens' current product data confirms the 31 mm enclosure, M20 × 1.5 connection, 1 NO + 1 NC quick-action contacts, replaceable contact arrangement, and rounded Form B plunger.
The 3SE52320CC058K provides one normally open (NO) and one normally closed (NC) contact.
This configuration gives flexibility for connecting the switch to different machine-control and monitoring circuits.
The contacts can be incorporated into applications such as:
The exact electrical application should be selected according to the contact ratings and requirements of the complete control system.
The switch uses quick-action contacts, providing a rapid switching response when the actuator reaches its operating position.
This type of switching mechanism is useful in applications where a clearly defined electrical contact transition is required during mechanical movement.
An important advantage of this particular version is that the contacts are replaceable, allowing the switching-contact assembly to be replaced where appropriate rather than necessarily replacing the complete enclosure and actuator arrangement. Siemens identifies the supplied switching contacts as 3SE5000-0CA00.
The rounded plunger Form B provides direct mechanical actuation.
A moving machine component can operate the plunger when it reaches the required position. The resulting change in contact state can then be used by the machine's control or monitoring system.
The rounded plunger is particularly useful for applications involving direct mechanical contact between the machine component and the position switch.
Siemens' SIRIUS 3SE5 documentation identifies rounded plungers of Type B according to EN 50047 within this 31 mm product family.
The 3SE52320CC058K uses a 31 mm plastic enclosure designed according to EN 50047.
The compact enclosure format makes it suitable for integration into machinery where a standardized mechanical position switch is required.
The product family uses a modular design, with different contact arrangements and actuator configurations available within the 31 mm SIRIUS 3SE5 range.
The product has 1 × M20 × 1.5 device connection.
This provides a standardized cable-entry arrangement for connecting the switch within an industrial machine or control installation.
Correct cable glands, conductors, and installation methods should be selected according to the applicable requirements to maintain the intended protection level.
The 3SE52320CC058K is specified with an IP65 degree of protection.
This makes the switch considerably more suitable for industrial environments than open or low-IP position-switch designs. Proper installation remains essential to maintain the specified protection level.
The IP65 rating can be beneficial in machinery environments where the switch may be exposed to dust and water jets.
Siemens specifies a typical mechanical service life of 15 million operating cycles for the corresponding 3SE5232-0CC05 product. The specified typical electrical endurance at AC-15 and 230 V is 100,000 operating cycles.
The product also has a specified repeat accuracy of 0.05 mm, while the minimum actuating force in the specified actuation directions is 20 N.
These characteristics make the position switch suitable for demanding repetitive mechanical position-monitoring applications when used within its specified operating conditions.
The Siemens 3SE52320CC058K position switch can be considered for:
For OEM machine manufacturers, the 3SE52320CC058K provides a compact and standardized mechanical position-monitoring solution.
Its 31 mm plastic enclosure, rounded Form B plunger, and 1 NO + 1 NC quick-action contacts make it suitable for various machine-control applications.
The replaceable contact arrangement can also be useful for maintenance and servicing requirements.
Its IP65 enclosure protection further supports use in appropriately designed industrial machine environments.
For panel builders and maintenance teams, the switch provides a conventional mechanical switching interface that can be integrated with suitable control systems.
The M20 × 1.5 connection supports straightforward industrial installation, while the replaceable contact arrangement can simplify certain maintenance requirements.
For replacement applications, users should verify the complete product designation, actuator type, contact configuration, connection, enclosure dimensions, and protection rating before ordering.
Siemens specifies the corresponding 3SE5232-0CC05 as suitable for use as a safety switch and specifies positive opening.
However, the 3SE52320CC058K is not a complete machine safety system by itself.
The overall safety function depends on the complete architecture, including:
The complete safety function should be appropriately designed, verified, and validated before commissioning.
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The 3SE52320CC058K corresponds to the Siemens 3SE5232-0CC05 SIRIUS mechanical position switch with a 31 mm plastic enclosure, M20 × 1.5 connection, 1 NO + 1 NC replaceable quick-action contacts, and rounded Form B plunger.
It has a rounded plunger, Form B, according to the EN 50047 configuration.
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 product configuration.
The corresponding Siemens product is specified with IP65 protection.
Yes. The 1 NO + 1 NC quick-action contacts are replaceable.
Siemens specifies the corresponding product as suitable for use as a safety switch with positive opening. The complete safety function must nevertheless be designed and validated as part of the complete machine safety system.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3SE5 |
| Model Number | 3SE5232-0CC05-8K |
| Variant | CC058K |
| Product Type | Emergency Pull Wire Switch |
| Contact Configuration | 1NO + 1NC |
| Switching Function | Snap-action |
| Actuator Type | Rope / wire pull mechanism |
| Rated Voltage | Up to 400 V AC / 250 V DC (typical series range) |
| Rated Current | Up to 10 A (general limit switch class) |
| Protection Rating | IP65 |
| Cable Entry | M20 × 1.5 |
| Operating Temperature | -25°C to +85°C |
| Shock Resistance | 30 g / 11 ms |
| Vibration Resistance | 0.35 mm / 5 g |
| Mechanical Life | ~15 million operations |
| Electrical Life | ~100,000 operations |
| Mounting | Surface/panel mounting |
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