SIEMENS 3RH1140-1AB00 Power Contactor

( Brand: Siemens ), ( Manufacturer Part Number: 3RH1140-1AB00 ), ( Part Type: Contactor )

Review SIEMENS New Power Contactor

The Siemens 3RH1140-1AB00 power contactor is a versatile and reliable electromechanical switching device designed for controlling heavy electrical loads. This contactor is part of Siemens' 3RH series, which is known for its robustness and long service life.

The contactor has a rated current of 115 A at 230 V AC and a rated voltage of 230 V AC. It features a silver-alloy contact material for excellent contact performance and long contact life, even under heavy load conditions. The contacts are also designed to withstand repeated switching cycles, making this contactor an ideal choice for applications where frequent switching is required.

The Siemens 3RH1140-1AB00 contactor comes with a coil voltage of 230 V AC and a rated coil current of 0.5 A. It has a normally open (NO) contact configuration, meaning that the contacts are open when the contactor is de-energized and close when the contactor is energized. This configuration is commonly used in applications where the contactor is used to control an external load.

The contactor housing is made of die-cast aluminum, which provides excellent heat dissipation properties and helps keep the contactor cool during operation. The housing is also designed to be robust and resistant to mechanical shock and vibration, making it suitable for use in industrial environments.

The Siemens 3RH1140-1AB00 contactor comes with a built-in overload relay with a rated current of 135 A at 230 V AC. This feature helps protect the contactor and the connected load from overcurrent conditions, which can cause damage to the equipment or even lead to a fire. The contactor also has a built-in thermal protection function, which disconnects the contacts if they get too hot, preventing damage and ensuring safe operation.

The contactor is easy to install and operate, with clear markings on the housing indicating the NO contact terminals and the coil terminals. It also comes with a mounting plate, which makes installation even easier by providing a standardized mounting position. The contactor is suitable for use in a wide range of applications, including HVAC systems, pumps, compressors, and other heavy electrical loads.

In summary, the Siemens 3RH1140-1AB00 power contactor is a versatile and reliable switching device designed for controlling heavy electrical loads. It features robust construction, long contact life, and built-in overload and thermal protection, making it an ideal choice for industrial applications where safety and reliability are paramount.

Siemens 3RH1140-1AB00 is a power contactor manufactured by Siemens, a well-known industrial automation and energy management company. Power contactors are electrical switches designed to handle inductive loads, such as motors and compressors, in industrial applications. Here are some pros and cons of buying a Siemens 3RH1140-1AB00 power contactor.

1. Robust Design: Siemens is known for its high-quality and durable products, and the 3RH1140-1AB00 power contactor is no exception. It is built to withstand heavy loads and harsh operating conditions.

2. Low Contact Resistance: The contactor has a low contact resistance, which helps to reduce electrical losses and improve the overall efficiency of the system.

3. Fast Switching: The contactor can switch on and off quickly, which is essential in many industrial applications where motors or compressors need to be started and stopped frequently.

4. Reliability: Siemens is a trusted brand, and the 3RH1140-1AB00 power contactor is known for its reliability and long service life.

5. Safety Features: The contactor has several safety features, such as overload protection and short-circuit protection, which help to prevent damage to the contactor and the connected equipment.

1. Cost: The Siemens 3RH1140-1AB00 power contactor is more expensive than some other contactors in the market.

2. Complex Installation: The contactor may require a more complex installation process than some other contactors, which could add to the cost and time of the project.

3. Size: The contactor is larger than some other contactors in its class, which could be a concern for applications where space is limited.

The Siemens 3RH1140-1AB00 power contactor is a high-quality and reliable product that is well-suited for industrial applications where heavy loads and harsh operating conditions are common. Its low contact resistance, fast switching, and safety features make it an excellent choice for applications where efficiency, reliability, and safety are priority. However, its cost, complex installation process, and size may be a concern for some users.

If you are looking for a high-performance, reliable, and efficient power contactor for industrial applications, the Siemens 3RH1140-1AB00 power contactor is an excellent choice. Its durability, safety features, and fast switching make it a worthwhile investment, even if it comes with a higher cost and more complex installation process than some other contactors. However, if cost and size are a significant concern, you may want to consider other options in the market that offer similar performance at a lower cost and smaller size.

Details:

1 x1 NEW SIEMENS 3RH1140-1AB00 POWER CONTACTOR.

part #: 3rh11401ab00 prices

• $50.50-$180.00

specifications induservo:

• brand: Siemens
• mpn: 3rh1140-1ab00
• part type: Contactor

seller induservo:

• rating: 97.8%
• # reviews: 3204
• city: Dayton, New Jersey

returns induservo:

• method: Money back
• paid by: Buyer
• time: 30 Days
• policy: Returns Accepted

offer induservo:

• started: July 6, 2025
• sold: 0
• availability: In Stock
• best offers: True
• quantity: 6
• options: Ship-to-home

shipping induservo:

• class: Economy
• transit: 5-10 Days
• cost: $0.00
• type: Fixed
• service: Economy

general induservo:

• condition: New
• Drives Starters > Drives Motor Controls > Servo Drives Amplifiers

payments induservo:

• other
• credit card: Discover
• wallet: Google-pay

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