SIEMENS 3RH2140-1HB40 Contactor

( Brand: Siemens ), ( Type: Contactor ), ( Manufacturer Part Number: 3RH2140-1HB40 )

Review SIEMENS New Contactor

The Siemens 3RH2140-1HB40 contactor is a versatile and reliable electrical component designed for controlling and managing various electrical loads. This contactor is part of Siemens' 3RN series, known for their robustness and durability in demanding industrial applications.

The contactor measures 120 mm in length, 72 mm in width, and 68 mm in height, making it suitable for standard DIN rail mounting in electrical control panels. It is rated for a current carrying capacity of 20 Amperes at a voltage of 240 Volts, making it suitable for handling medium power loads.

The Siemens 3RH2140-1HB40 contactor features a normally open (NO) contact configuration, meaning that the contacts are open when the coil is de-energized. When the coil is energized, the contacts close, allowing current to flow through the electrical load. The contactor is also equipped with a built-in overload relay, which can automatically disconnect the load if it exceeds the rated current, providing an additional layer of safety and protection.

The contactor's coil is rated for a voltage of 240 Volts and a current of 0.5 Amperes. It is designed with a quick-acting mechanism, allowing for fast contact making and breaking, which is essential for applications where the electrical load needs to be turned on and off quickly.

The Siemens 3RH2140-1HB40 contactor is built with high-quality materials and advanced manufacturing techniques to ensure long-lasting performance. It features a robust metal housing, which protects the internal components from dust, moisture, and other environmental hazards. The contactor is also designed with a low contact resistance, which minimizes voltage drop and ensures efficient power transfer to the electrical load.

The Siemens 3RH2140-1HB40 contactor is easy to install and integrate into existing electrical control systems. It is designed with standardized electrical and mechanical interfaces, making it compatible with various types of control panels and automation systems. The contactor also comes with clear labeling and documentation, making it easy to identify and connect the various terminals.

In summary, the Siemens 3RH2140-1HB40 contactor is a versatile and reliable electrical component designed for controlling and managing medium power loads in industrial applications. It features a robust design, fast contact making and breaking, and built-in overload protection, making it a preferred choice for engineers and maintenance personnel who demand high-performance and reliability from their electrical components.

Siemens 3RH2140-1HB40 contactor is a commonly used electrical contactor for various automation applications. Here are some pros and cons of buying this contactor:

1. High Quality: Siemens is a reputable brand known for its high-quality products. The 3RH2140-1HB40 contactor is built to last with robust materials and reliable contacts.

2. Versatile: This contactor can be used in various applications due to its wide operating voltage range (120V AC to 690V AC) and current rating (20A to 40A).

3. Easy to Install: The contactor has a plug-in terminal block, making it easy to install and connect to other components.

4. Safe: The contactor has a built-in overload relay that protects against short circuits and overloads.

5. Low Maintenance: The contactor's design minimizes the need for regular maintenance.

1. Cost: The Siemens 3RH2140-1HB40 contactor is more expensive than some other brands and models.

2. Size: The contactor is larger than some other models, which may require more space in the control panel.

3. Limited Coil Voltage: The contactor has a limited coil voltage range (120V AC to 240V AC), which may not be suitable for all applications.

The Siemens 3RH2140-1HB40 contactor is a high-quality and versatile product that is easy to install and safe to use. However, it may be more expensive than some other brands and models, and it may not be suitable for applications with high coil voltage requirements.

If you require a reliable and versatile contactor for your application, and you have the budget for it, the Siemens 3RH2140-1HB40 contactor is a good choice. However, if cost is a concern, or if you have specific coil voltage requirements, you may want to consider other brands or models that may better suit your needs.

Details:

part #: 3rh21401hb40 prices

• $13.49-$90.00

specifications plcmechanize:

• brand: Siemens
• type: Contactor
• manufacturer part number: 3RH2140-1HB40

seller plcmechanize:

• # reviews: 26926
• city: Louisville, Kentucky
• rating: 99.4%

shipping plcmechanize:

• type: Calculated
• service: USPS Ground Advantage
• cost: $0.00
• transit: 4-9 Days
• class: Standard
• carrier: USPS

general plcmechanize:

• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors
• condition: New Open box

returns plcmechanize:

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

payments plcmechanize:

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

offer plcmechanize:

• best offers: True
• sold: 0
• started: July 13, 2025
• quantity: 1
• options: Ship-to-home
• availability: In Stock

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