4F-10000S-SIL SIGMA Relay

Review SIGMA Vintage Relay 4f 1000s Sil

The Sigma 4F-10000S-Sil Relay, also known as the 4F 10000S-Sil 4F 10000S sil 1000, is a high-performance, optically isolated, and silent relay manufactured by Sigma Electronics. This relay is designed to meet the demanding requirements of industrial automation, test and measurement, and other applications where silent operation and reliable isolation are essential.

The 4F-10000S-Sil features a total of 10,000 contacts, making it ideal for applications that require multiple switching functions. Each contact is rated for a maximum current of 5 Amps at 250V AC or 30V DC. The relay operates on a coil voltage of 12V DC and consumes a maximum power of 2.5 Watts.

One of the most notable features of this relay is its silent operation. The use of a solid-state switching mechanism eliminates the audible click typically associated with mechanical relays. This makes the 4F-10000S-Sil an excellent choice for applications where noise levels need to be kept low, such as in laboratories or control rooms.

Another key advantage of the 4F-10000S-Sil is its optically isolated design. Each contact is optically isolated from the others, providing electrical separation between the input and output circuits. This helps prevent electrical interference and ensures the reliable operation of the relay in harsh environments or when used with sensitive equipment.

The Sigma 4F-10000S-Sil relay also offers a high contact bounce rate of less than 10 microseconds, ensuring smooth and reliable switching even in fast-changing applications. It is available in both DPDT (double pole, double throw) and DPST (double pole, single throw) configurations, providing flexibility for a wide range of applications.

The 4F-10000S-Sil relay is also designed for easy integration into automation systems, with a compact size of 128.5 x 75 x 25.4 mm and a mounting hole pattern that conforms to DIN rail standards. Its robust construction, with a protective epoxy coating and a operating temperature range of -25 C to 70 C, ensures long-lasting performance even in demanding environments.

In summary, the Sigma 4F-10000S-Sil relay is a versatile and high-performance optically isolated and silent relay solution. Its silent operation, reliable isolation, fast contact switching, and robust construction make it an excellent choice for a wide range of industrial automation, test and measurement, and other applications where quiet, reliable switching is essential.

The Sigma 4F-1000S-SIL 1000mm F5.6 EX DG HSM APO Telephoto Lens is a specialized, high-end zoom lens designed for professional photographers and videographers. This lens offers a focal length of 1000mm, making it ideal for wildlife photography, sports events, and other applications where a long telephoto reach is necessary. Here are some pros and cons of buying this lens:

1. Extraordinary Reach: The Sigma 1000mm lens provides an impressive reach that is difficult to achieve with other lenses. This makes it an excellent choice for photographing distant subjects, such as wildlife or birds in their natural habitats.

2. Bright F5.6 Aperture: A fast aperture of F5.6 makes it easier to achieve a shallow depth of field, allowing you to isolate your subject from the background. This is particularly useful in wildlife and portrait photography.

3. Advanced Optical Design: The lens features advanced optical design elements like SLD (Special Low Dispersion) glass elements and Super Multi-Layer Coating, which help reduce chromatic aberrations and provide excellent color accuracy.

4. HSM (Hyper Sonic Motor): The lens features a Hyper Sonic Motor focusing system, ensuring fast and accurate focusing. This is crucial for capturing fast-moving subjects.

5. Durable Construction: The lens has a robust and weather-sealed construction, making it suitable for use in harsh environments.

1. Size and Weight: The Sigma 1000mm lens is a large and heavy lens, weighing approximately 18.3 pounds (8.3 kg). This can make it difficult to transport and handle, especially for extended periods.

2. Cost: The lens is a high-end, professional-grade telephoto lens, and its price reflects its advanced features and exceptional performance. It may be a significant investment for some photographers.

3. Limited Use: The specialized nature of the lens, with its long focal length and high price point, means it may be limited in its application for most photographers.

4. Shooting Distance: The extreme telephoto reach of the lens requires a significant shooting distance, which can make it challenging to capture images of subjects in their environment or interacting with their surroundings.

The Sigma 4F-1000S-SIL 1000mm F5.6 EX DG HSM APO Telephoto Lens is an exceptional piece of equipment that offers extraordinary reach, bright aperture, advanced optical design, fast and accurate focusing, and robust durability. It is an excellent choice for professional wildlife, sports, and portrait photographers who require a long telephoto lens for their work.

However, its size, weight, and cost may be limiting factors for some photographers, and its specialized nature means it may not be suitable for all applications. Ultimately, it is essential to consider your specific photography needs and budget before investing in the Sigma 1000mm lens.

If you are a professional wildlife, sports, or portrait photographer who requires a long telephoto lens for your work and can afford the investment, the Sigma 4F-1000S-SIL 1000mm F5.6 EX DG HSM APO Telephoto Lens is an exceptional choice that offers outstanding performance and features.

For those with more modest budgets or who don't require the extreme telephoto reach, there are other, more affordable telephoto lens options available from Sigma and other manufacturers that may better suit your needs.

Details:

Vintage Sigma relay 4F-1000S-SIL 4f 1000s sil, 1,000 PDT 2 amp, ohms, 4.5 masc operate, 122625 sil.

specifications genpurrelays:

• brand: Sigma
• mpn: 4f-10000s-sil

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• started: january 1, 2026
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