The Siemens 3SE51220AA00 is a dedicated enclosure for Siemens SIRIUS 3SE51 position-switch applications, designed to provide a robust housing and connection interface for compatible position-switch components. It features a 56 mm wide metal enclosure with cover, a turquoise finish, and 3 × M20 × 1.5 device connections.
This enclosure is intended for applications where a durable metal housing is required for a 3SE51 position-switch configuration. Its design provides a structured housing for compatible components while offering multiple M20 × 1.5 connection points for industrial wiring arrangements.
For OEM machine builders, panel builders, maintenance teams, and system integrators, the 3SE51220AA00 can be useful when configuring or replacing the enclosure portion of a compatible Siemens 3SE51 position-switch assembly.
The 3SE51220AA00 is an enclosure for a 3SE51 position switch rather than a complete position switch with an actuator and switching contacts.
It provides the physical housing and connection arrangement for compatible 3SE51 components.
The enclosure can be used in applications involving:
The appropriate compatible internal components and actuator configuration should be selected according to the specific position-switch application.
The Siemens 3SE51220AA00 features a 56 mm wide metal enclosure.
The metal construction provides a robust housing solution for suitable industrial position-switch installations. The enclosure is designed around the 3SE51 system and provides a defined housing arrangement for compatible position-switch components.
The 56 mm format is suitable for applications where a larger mechanical enclosure is required compared with compact position-switch designs.
It can be considered for machinery such as:
The product is supplied with a cover, providing the enclosure configuration required for the compatible 3SE51 position-switch assembly.
The cover forms part of the housing structure and helps provide a defined enclosure for the associated components.
During installation and maintenance, the enclosure should be assembled correctly according to the manufacturer's instructions and the requirements of the complete machine installation.
The 3SE51220AA00 has a turquoise-colored enclosure.
The distinctive housing color can help identify the component within an industrial machine or position-switch assembly.
For maintenance and replacement work, matching the enclosure design and complete Siemens order number is important to ensure the correct component is selected.
The enclosure provides 3 × M20 × 1.5 device connections.
These connection points provide flexibility for industrial cable routing and connection arrangements.
Depending on the final installation, suitable cable glands, cable-entry accessories, and wiring components should be selected according to the required installation conditions.
Correct cable-entry installation is important to achieve the required protection and maintain reliable connections.
The 3SE51220AA00 is specifically associated with the Siemens 3SE51 position-switch platform.
Because it is an enclosure component, it should not be treated as a complete position switch. A complete position-switch assembly may require additional compatible components such as the appropriate switching mechanism and actuator.
This modular approach can be useful for OEMs and maintenance teams because individual components can be selected according to the machine's requirements.
A suitable 3SE51 position-switch assembly using this enclosure can support mechanical position monitoring in applications such as:
The enclosure itself provides the physical housing; the actual position-detection function depends on the compatible switching and actuator components installed within the complete assembly.
For OEM machine manufacturers, the 3SE51220AA00 enclosure can provide a standardized housing option for compatible 3SE51 position-switch configurations.
The 56 mm metal construction provides a robust enclosure format, while the 3 × M20 × 1.5 connections allow flexibility when planning cable routing.
The modular nature of the 3SE51 system can also allow machine builders to configure the position switch according to different mechanical requirements.
The enclosure can be useful when maintaining or replacing components within an existing Siemens 3SE51 position-switch assembly.
Before ordering, verify:
This is particularly important because an enclosure alone does not constitute a complete operational position switch.
The 3SE51220AA00 is an enclosure, not a complete position switch.
If your application requires position detection, confirm whether you also need a compatible basic switch, contact configuration, actuator head, roller lever, plunger, or other position-switch component.
For replacement applications, matching the complete existing configuration is recommended rather than selecting the enclosure based only on physical appearance.
The enclosure itself does not provide a complete safety function.
If the assembled 3SE51 position-switch system is intended for a safety-related application, the complete safety function must be designed using appropriate safety components and validated according to the applicable machine-safety requirements.
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The 3SE51220AA00 is a Siemens SIRIUS 3SE51 position-switch enclosure with a 56 mm wide metal housing, cover, turquoise finish, and 3 × M20 × 1.5 device connections.
No. It is an enclosure for a 3SE51 position-switch configuration. Compatible switching and actuator components may be required separately.
It has a metal enclosure.
The enclosure is 56 mm wide.
The specified enclosure is turquoise.
It provides 3 × M20 × 1.5 device connections.
Yes, the product description specifies the enclosure with cover.
It can be used as part of compatible Siemens 3SE51 position-switch assemblies in industrial machinery, conveyors, packaging equipment, machine tools, production machinery, and automation systems.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3SE5 |
| Model Number | 3SE5122-0AA00 |
| Variant | AA00 |
| Product Type | Empty Enclosure |
| Housing Material | Die-Cast Metal |
| Enclosure Type | With Cover |
| Protection Rating | IP66 / IP67 |
| Cable Entry | M20 × 1.5 |
| Mounting Position | Any |
| Shock Resistance | 30 g / 11 ms |
| Vibration Resistance | 0.35 mm / 5 g |
| Operating Temperature | -25°C to +85°C |
| Storage Temperature | -40°C to +90°C |
| Housing Width | Approx. 40 mm |
| Housing Length | Approx. 85 mm |
| Mounting Standard | EN 50041 |
| Weight | Approx. 0.25 kg |
| Brand | Siemens |
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