3RT1916-2GD51 SIEMENS Delay Switch

Review SIEMENS Time Delay Auxiliary Switch 3rt19162gd51 200-240v

The Siemens 3RT1916-2GD51 Delay Switch is a versatile and reliable electrical component designed to provide delayed on or off functionality for various applications. This switch is part of Siemens' REDI-LINE series, which offers a wide range of devices for simple and complex automation tasks.

The 3RT1916-2GD51 is a 2-pole, 2-throw, delayed-action switch, which means it has two separate circuits and can delay the switching action. It operates on a voltage range of 200-240 volts and requires a current of up to 10 amperes. The switch has a contact rating of 10,000 switching cycles, ensuring long-lasting performance.

The switch's delay function can be adjusted from 0.1 to 99.9 seconds using the integrated potentiometer. This feature allows users to customize the delay time according to their specific application requirements. The switch also has an LED indicator, which illuminates when the switch is activated, providing visual confirmation of the switching status.

The Siemens 3RT1916-2GD51 Delay Switch is designed with a robust and compact housing, making it suitable for various installation environments. It has an IP20 protection rating, which means it is protected against dust and water splashes from all directions. The switch also features spring-loaded contacts for secure and reliable connection, ensuring minimal contact resistance and extended contact life.

The delay switch is easy to install and can be mounted in various orientations, including vertical and horizontal, using the provided mounting bracket. It also has a clear labeling of the NO (normally open) and NC (normally closed) contacts, making it easy to identify the correct connection points.

In summary, the Siemens 3RT1916-2GD51 Delay Switch is a high-quality and versatile electrical component that offers delayed on or off functionality with adjustable delay times. It is suitable for various applications that require customizable switching times and can be installed in various environments. With its robust housing, reliable contacts, and clear labeling, this switch provides long-lasting performance and ease of use.

The Siemens 3RT1916-2GD51 delay switch (also referred to as model number 3RT19162GD51) is a device designed to delay the starting and stopping of motors or other electrical loads. Here are some pros and cons of buying this specific model:

1. Reliability: Siemens is a well-known and reputable brand in the electrical industry. This delay switch is built with high-quality components, ensuring long-term durability and reliability.

2. Versatility: The 3RT1916-2GD51 can be used in various applications, including heating systems, ventilation systems, and pumps, among others. It can handle a wide voltage range of 200-240V and can be used with both AC and DC motors.

3. Easy installation: The delay switch is designed with a plug-and-play concept, making it easy to install and connect to the electrical system. It also comes with clear markings on the terminals, making it easy to identify the correct connections.

4. Safety features: The delay switch is equipped with overload protection, which helps prevent damage to the motor or the delay switch itself in case of overcurrent. It also has a thermal protection feature that shuts off the delay switch if it gets too hot.

5. Energy savings: By delaying the starting and stopping of motors, the delay switch can help save energy and reduce electricity bills.

1. Cost: The Siemens 3RT1916-2GD51 delay switch is more expensive than some other delay switches from less well-known brands. However, its high quality and reliability may justify the higher cost for some users.

2. Limited delay time: The delay switch offers a maximum delay time of 60 seconds. While this may be sufficient for many applications, it may not be long enough for others.

3. Size: The delay switch is larger than some other models on the market, which may make it more difficult to install in tight spaces.

In conclusion, the Siemens 3RT1916-2GD51 delay switch is a high-quality and reliable device that offers various advantages, such as easy installation, safety features, energy savings, and versatility. However, it comes with some disadvantages, including a higher cost, limited delay time, and larger size. Ultimately, the decision to buy this delay switch depends on the specific requirements of the application and the user's budget and preferences.

If the application requires a delay time longer than 60 seconds or the space is limited, alternative delay switches with longer delay times or smaller sizes may be a better option. However, for applications that require a reliable and versatile delay switch with easy installation and safety features, the Siemens 3RT1916-2GD51 delay switch is a solid choice.

Details:

With a coil voltage ranging from 200-240v, this switch is suitable for controlling and monitoring various systems with precision reliability. As part of the Siemens brand, it guarantees quality and performance in ac/dc current type environments, making a valuable component for businesses industrial settings requiring precise timing automation control. Please refer to the photos.

specifications genpurrelays:

• brand: Siemens
• mpn: 3rt1916-2gd51
• type: Plc Processor Module
• current type: Ac/dc
• coil voltage: 200-240 V
• country of origin: Germany

shipping genpurrelays:

• class: standard
• transit: 4-9 days
• service: standard
• type: fixed

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• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

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• started: march 15, 2026
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