3UN8-002 SIEMENS General Relay Ac Spdt

Review SIEMENS 3un8 002 General Purpose Relay 110v Ac 40-60hz Spdt 4-pin

The Siemens SIMATIC 3UN8-002 is a versatile and reliable General Purpose SPDT (Single Pole Double Throw) Relay, designed for use with 110V AC applications operating at a frequency range of 40-60Hz. This product is manufactured by Siemens, a globally recognized leader in technology and engineering.

This 3UN8 002 General Relay is a crucial component in various automation systems, offering a dependable solution for controlling electrical circuits. Its SPDT configuration allows for the selection of two alternative output contacts while maintaining the input contact in common. This makes it an ideal choice for applications requiring the switching of multiple loads.

The Siemens 3UN8-002 is built to the highest standards of quality and reliability. It features a contact rating of 10A at 110V AC and a coil voltage of 120V AC, ensuring it can handle a wide range of electrical loads. This relay also boasts a contacts' lifecycle rating of 10 million operations, guaranteeing long-term performance in even the most demanding environments.

The 3UN8 002 General Relay includes a number of features designed to enhance its functionality and ease of use. It has a built-in coil voltage transformer, which makes it possible to operate the relay remotely while keeping the high voltage coil isolated from the control circuit. It also includes a visual indicator in the form of a LED lamp, which illuminates when the relay is energized, allowing for easy status monitoring.

This Siemens product is constructed with a robust die-cast aluminum housing, which provides excellent protection against external influences, such as moisture and mechanical stress. It also features a compact design, making it easy to integrate into various control panels and automation systems.

The Siemens 3UN8-002 General Relay is a reliable and efficient solution for managing electrical circuits in a wide range of applications. Its high-quality components, robust design, and versatile features make it an excellent choice for automation systems in industries such as manufacturing, transportation, and energy production.

Siemens 3UN8-002, also known as 3UN8 002, is a general-purpose SPDT (Single Pole Double Throw) relay operating on 110V AC at a frequency of 40-60Hz. Relays are essential components in various automation systems and electrical applications. Let's discuss some pros and cons of buying this specific Siemens model.

1. Reputation: Siemens is a well-known and trusted brand in the electrical industry, ensuring reliability and durability.

2. Versatility: The SPDT configuration allows for two separate control circuits to operate one common load, making it suitable for a wide range of applications.

3. Operating Voltage: The 110V AC operating voltage makes it compatible with most common electrical systems.

4. Operating Frequency: The 40-60Hz operating frequency is standard for most industrial and commercial applications.

5. Safety: Siemens relays comply with various international safety standards, including UL, CSA, and CE, ensuring user safety.

1. Cost: Siemens relays may be more expensive compared to other brands due to their reputation for quality and reliability.

2. Size: The relay may be larger than some other options in the market, taking up more space in your application.

3. Complex Installation: Depending on the application and the user's experience, installing relays can be a complex process, requiring some level of electrical knowledge.

In conclusion, the Siemens 3UN8-002 is a high-quality, versatile, and reliable SPDT relay suitable for various applications in the industrial and commercial sectors. However, its higher cost and larger size may be drawbacks for some users. If you are looking for a reliable and reputable brand and the application requires the specific features of an SPDT relay, then the Siemens 3UN8-002 is a recommended choice. If cost and size are your primary concerns, you may want to consider alternative options from other brands.

Details:

specifications genpurrelays:

• brand: Siemens
• mpn: 3un8-002
• maximum amperage: 5 A
• current rating: 1-15 A
• type: General Purpose Relay
• current type: Ac
• contact configuration: Single Pole Double Throw
• contact material: Plastic
• coil voltage: 110 V
• number of pins: 4-pin
• features: Ptc Thermistors
• application: Control Equipment Panels
• country of origin: India

offer genpurrelays:

• started: april 20, 2026
• prices: $48.74–$150.00
• item condition:
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• availability: in stock
• sold #: 8
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• options: ship-to-home

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