The Siemens 3SE52500CC05 is a position switch designed for mechanical position monitoring and limit detection in industrial machinery and automation systems. It features a 30 mm open-type plastic enclosure, metal plunger, and 1 NO + 1 NC quick-action contacts, with an IP20 degree of protection.
This compact mechanical position switch converts the movement of a machine component into an electrical switching signal. Its quick-action contact mechanism provides a defined switching response, making it suitable for applications where reliable position detection, machine sequencing, limit monitoring, or control interlocking is required.
The Siemens 3SE52500CC05 position switch is used to detect the position or movement of mechanical components in industrial equipment.
When a moving machine part reaches the position-switch actuator, it operates the metal plunger, causing the internal contacts to change state. The resulting electrical signal can be connected to an appropriate control circuit, PLC input, signaling system, or machine-control function.
With 1 NO and 1 NC contact, the switch provides both normally open and normally closed switching possibilities. This allows the same mechanical movement to be incorporated into different control or monitoring arrangements.
The 3SE52500CC05 provides 1 normally open (NO) and 1 normally closed (NC) contact.
This combination gives designers flexibility when integrating the switch into a machine-control circuit.
The contacts may be used for applications such as:
The actual electrical function depends on the control-system design and the applicable contact ratings.
The position switch uses quick-action contacts, providing a rapid switching response when the actuator reaches its operating point.
Quick-action switching can be useful in machine applications where a clearly defined electrical contact transition is required during mechanical movement.
This makes the switch suitable for position monitoring and limit detection in equipment where repeatable switching behavior is important.
The contact arrangement and electrical ratings should be considered when designing the associated control circuit.
The metal plunger provides direct mechanical actuation.
When a moving machine component reaches the switch, it presses the plunger and causes the electrical contacts to change state.
The switch can therefore be used to monitor:
Correct mechanical alignment is important to avoid excessive force, side loading, or unnecessary wear on the actuator.
The 3SE52500CC05 features a 30 mm plastic open-type enclosure.
Its compact construction makes it suitable for integration into machinery where a mechanical position switch is required without the need for a large housing.
Because the enclosure is specified as open type, the installation environment should provide suitable protection according to the application's environmental requirements.
The position switch has an IP20 degree of protection.
This means the device is intended for suitable indoor or protected industrial installation environments rather than applications requiring protection against water or significant dust ingress.
For machinery exposed to water, oil, washdown conditions, heavy dust, or harsh environmental conditions, an appropriately higher-protection position switch should be selected.
The Siemens 3SE52500CC05 position switch can be considered for applications such as:
A mechanical position switch provides a simple method of converting physical machine movement into an electrical signal.
For example, when a moving assembly reaches a predetermined position, it can press the metal plunger of the 3SE52500CC05. The resulting change in the NO/NC contacts can then be monitored by a PLC or other control circuit.
This approach can be useful in applications where straightforward mechanical detection is preferred.
The suitability of the switch should be evaluated based on the mechanical movement, operating frequency, actuator loading, environment, and electrical requirements.
For OEM machine builders, the 3SE52500CC05 provides a compact solution for detecting mechanical positions.
The combination of a metal plunger and quick-action 1 NO + 1 NC contacts makes it suitable for various machine-control and limit-detection applications.
Its 30 mm plastic enclosure can also help integrate the switch into compact machinery designs.
The conventional contact-based design makes the switch suitable for applications where a direct mechanical switching signal is required.
Maintenance teams can use the device in suitable replacement applications where the existing position switch has matching mechanical and electrical characteristics.
Before ordering a replacement, verify the complete Siemens order number, actuator type, contact configuration, switching action, enclosure design, IP rating, and mounting arrangement.
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The 3SE52500CC05 is a Siemens position switch with a 30 mm plastic open-type enclosure, metal plunger, and 1 NO + 1 NC quick-action contacts.
It has a metal plunger actuator.
It provides 1 NO and 1 NC contact.
It uses quick-action contacts.
The specified protection rating is IP20.
It has a 30 mm plastic open-type enclosure.
It can be used for machine position monitoring, mechanical limit detection, machine sequencing, conveyor systems, packaging machinery, manufacturing equipment, and industrial automation applications.
The device is specified as IP20, so it should be installed in a suitable protected environment. For wet, washdown, or heavily exposed applications, a position switch with an appropriate higher IP rating should be considered.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3SE5 |
| Model Number | 3SE5250-0CC05 |
| Variant | CC05 |
| Product Type | Safety Hinge / Position Switch |
| Contact Configuration | 1NO + 1NC |
| Switching Type | Snap-action |
| Actuation Type | Hinge / plunger mechanism |
| Housing Material | Plastic |
| Actuator Material | Metal plunger |
| Width | ~30 mm |
| Length | ~42.5 mm |
| Depth | ~27.8 mm |
| Rated Voltage | 400 V AC |
| Rated Current | 10 A |
| Operating Force | ~20 N |
| Protection Class | IP20 |
| Mechanical Life | ~15,000,000 cycles |
| Electrical Life | ~100,000 cycles |
| Operating Temperature | -25°C to +85°C |
| Shock Resistance | 30 g / 11 ms |
| Vibration Resistance | 0.35 mm / 5 g |
| Mounting | Universal |
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