Siemens SIRIUS 3SE51 Series

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SIRIUS

3SE51 ..

3SE52 ..

Positionsschalter

Originalbetriebsanleitung

Position switch

Original Operating Instructions

Τερματικός διακόπτης

Πρωτότυπες οδηγίες χρήσης

Przełącznik pozycyjny

Oryginalna instrukcja obsługi

Interrupteur de position

Instructions de service originales

Asendilülitid

Originaal-kasutusjuhend

Comutator de poziţie

Instrucţiuni originale de utilizare

Interruptor de posición

Instructivo original

Rajakytkin

Alkuperäinen käyttöohje

Polohový spínač

Originálny návod na obsluhu

Interruttore di posizione

Istruzioni operative originali

Pozicijska sklopka

Originalne upute za uporabu

Stikalo za nastavitev položajev

Originalno navodilo za obratovanje

Interruptor de posição

Instruções de Serviço Originais

Pozíciókapcsoló

Eredeti üzemeltetési útmutató

Lägeskopplare

Originalbruksanvisning

Позиционен прекъсвач

Оригинално ръководство за експлоатация

Padėties jungiklis

Originali eksploatacijos instrukcija

Pozisyon salteri

Orijinal İşletme Kılavuzu

Kolébkový přepínač

Originální návod k obsluze

Pozīciju pārslēgs

Oriģinālā lietošanas pamācība

РУ

Позиционный переключатель

Оригинальное руководство по эксплуатации

Endestop

Original brugsanvisning

Standschakelaar

Originele handleiding

中文

位置开关

原始操作说明

+85 °C

-25 °C

NEB334865110000/RS-AE/011 Last update: 16 October 2017

3ZX1012-0SE50-1BA1

SIEMENS AG Telephone: +49 (911) 895-5900 (8°° - 17°° CET)

http://support.industry.siemens.com

Technical Assistance Fax: +49 (911) 895-5907

Breslauer Str. 5 E-mail: technical-assistance@siemens.com

D-90766 Fürth Internet: www.siemens.com/sirius/technical-assistance

43920150

3SE51 .. / 3SE52 ..

400 V

3SE5232.

3SE5234.

IP65

gG = 6 A

Char.C = 1 A

3SE5112.

3SE5122.

3SE5132.

3SE5162.

3SE5212.

3SE5242.

IP66/67

imp

6 kV

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The Siemens SIRIUS 3SE51/3SE52 series comprises position switches, also known as limit switches, designed for reliable detection of object positions in industrial applications. These devices are crucial components in automation systems, providing feedback on mechanical movements and ensuring safe and controlled operation.

Function Description:

The core function of these position switches is to convert a mechanical position into an electrical signal. This is achieved through a robust mechanical actuator that, upon contact with a moving part, triggers internal switching elements. The switches are available with various contact configurations, including normally open (NO) and normally closed (NC) contacts, allowing for flexible integration into different control circuits. Some models feature multiple switching elements, enabling the generation of distinct signals for different positions or for redundant safety functions. The switching elements are designed for snap-action operation, ensuring precise and repeatable switching points regardless of the actuation speed. Certain models also incorporate LED indicators (green for LED1, yellow for LED2) to provide visual feedback on the switch status, simplifying troubleshooting and commissioning.

Important Technical Specifications:

Rated Insulation Voltage (Uᵢ): 400 V. This indicates the maximum voltage the insulation of the switch can withstand without breakdown.
Rated Impulse Withstand Voltage (Uimp): 6 kV. This specifies the peak voltage that the switch can withstand from transient overvoltages, such as those caused by lightning or switching operations.
Rated Operational Current (Ith): 6 A. This is the maximum continuous current that the switch's contacts can carry without exceeding temperature limits.
Fuse Protection: The switches are recommended to be protected by a gG type fuse with a rating of 6 A or a circuit breaker with a characteristic C and a rating of 1 A. This ensures protection against overcurrents and short circuits.
Degree of Protection (IP Code):
- 3SE5232, 3SE5234: IP65. This indicates protection against dust ingress and low-pressure water jets from any direction.
- 3SE5112, 3SE5122, 3SE5132, 3SE5162, 3SE5212, 3SE5242: IP66/67. This signifies protection against dust ingress, strong water jets, and temporary immersion in water.
Operating Temperature Range: -25 °C to +85 °C. This broad range allows for use in various industrial environments.
Contact Configurations: Available with different combinations of NO and NC contacts, including single-pole and double-pole options. Some models offer up to four switching elements.
Actuation Speed (V): Specified for different models, ranging from V ≥ 0.1 mm/s to V ≤ 2.5 m/s, depending on the actuator type and desired precision.
Actuation Force (F): The force required to actuate the switch, varying by actuator type (e.g., F ≥ 20 N, F ≥ 10 N).
Mechanical Life: Not explicitly stated for all models but implied by the robust design and intended industrial use.
Electrical Connection: Typically screw terminals for wire sizes ranging from 0.5 to 1.5 mm² (AWG 20 to 16 or 20 to 18), with specified tightening torques (0.8 to 1.0 Nm). Some models feature M12 or M26 connectors for quick and secure wiring.

Usage Features:

Versatile Actuator Types: The SIRIUS 3SE51/3SE52 series offers a wide array of actuator heads to suit diverse application requirements. These include:
- Plunger-type actuators: Available in various lengths and designs (e.g., roller plunger, rod plunger, fork lever) for direct actuation by moving machine parts. Some plungers allow for adjustable actuation angles (e.g., 36 x 10° = 360° or 16 x 22.5° = 360° for rotary actuators).
- Rotary actuators: Designed for applications where an object rotates or passes by, offering adjustable lever positions and operating angles.
- Fork lever actuators: Provide precise switching with a defined overtravel.
- Spring rod actuators: Flexible and adaptable for irregular or varying actuation paths.
Modular Design: Many components, such as actuator heads and contact blocks, are interchangeable, allowing for customization and easy replacement. This modularity simplifies inventory management and maintenance.
Adjustable Operating Points: For certain actuator types, the operating point (RSP - Reset Point, SP - Switching Point) and reset point (BW - Backlash Width) can be adjusted, providing flexibility in setting the exact switching position.
Visual Status Indication: Models with integrated LEDs (green for LED1, yellow for LED2) offer clear visual feedback on the switch's operational status, aiding in quick diagnostics and system monitoring.
Robust Housing: The switches are housed in durable enclosures, often made of metal, providing excellent mechanical protection and resistance to harsh industrial environments.
Cable Entry Options: Available with M20 x 1.5 cable entries, and some models feature M12 or M26 connectors, offering various options for secure and reliable cable connection.
Mounting Flexibility: Designed for easy mounting with standard screw patterns, facilitating integration into existing machinery.

Maintenance Features:

Easy Wiring: Screw terminals with specified tightening torques ensure secure and reliable electrical connections. The use of M12/M26 connectors on some models further simplifies wiring and reduces installation time.
Clear Markings: The devices feature clear markings for contact configurations (e.g., 13-14 for NO, 21-22 for NC), making it easy to identify and connect the correct terminals.
LED Indicators: For models equipped with LEDs, these provide immediate visual feedback on the switch's status, simplifying troubleshooting and reducing downtime. A green LED typically indicates the "ON" state, while a yellow LED might indicate a secondary function or a different state.
Modular Component Replacement: The modular design allows for individual components, such as actuator heads or contact blocks, to be replaced without needing to replace the entire switch, reducing maintenance costs and effort.
Durable Construction: The high IP ratings (IP65, IP66/67) and robust materials ensure long-term reliability and minimal maintenance requirements, even in challenging environments.
Documentation: Comprehensive documentation, including original operating instructions in multiple languages, provides detailed information for installation, operation, and maintenance. Technical assistance contact information is also provided for support.

In summary, the Siemens SIRIUS 3SE51/3SE52 position switches are reliable, versatile, and robust devices essential for position detection in industrial automation. Their wide range of actuator types, modular design, and high degree of protection make them suitable for diverse applications, while features like LED indicators and easy wiring contribute to simplified usage and maintenance.