3RH21401BG40 SIEMENS Sirius Contactor Relay Coil Nsmp

Review SIEMENS Sirius Contactor Relay No 125v Dc Coil Size S00 Nsmp

Introducing the Siemens SIRIUS 3RH2140-1BG40 contactor relay, a premium solution for your electrical automation needs. This contactor is part of Siemens' SIRIUS product line, known for its robust design, reliable performance, and easy integration into various control systems.

The 3RH2140-1BG40 is a single-pole, normally open (NO) contactor designed for use with 125V AC coils. It is suitable for various low-power applications in industrial automation, HVAC systems, and commercial installations. The contactor features a rugged, die-cast housing that ensures durability and protection against harsh environmental conditions.

One of the key advantages of this contactor is its low power consumption, making it an energy-efficient solution for your electrical applications. The contactor's current carrying capacity is 10A at 250V AC, and it can handle a maximum voltage of 300V AC and 250V DC.

The SIRIUS contactor is also equipped with a built-in overload relay, which protects the contactor from damage caused by overload currents. The overload relay trips and disconnects the contactor when the current exceeds a predefined value, ensuring safe operation and prolonging the contactor's lifespan.

The contactor's operating temperature range is from -25 C to 50 C, making it suitable for various environmental conditions. It is also RoHS-compliant and contains no lead, making it an environmentally friendly choice for your electrical installations.

To ensure easy installation and integration into your control system, the 3RH2140-1BG40 contactor features a standard mounting pattern and is compatible with various terminal blocks. The contactor also comes with a transparent cover that protects the contact surfaces from contamination and ensures safe operation.

In summary, the Siemens SIRIUS 3RH2140-1BG40 contactor is a reliable and robust solution for your electrical automation needs. Its rugged design, easy integration, and energy efficiency make it an ideal choice for various industrial, commercial, and HVAC applications.

The Siemens 3RH2140-1BG40 Sirius contactor relay 125V COIL S00 NSMP is a widely used electrical component in various industrial automation applications. This contactor relay offers several advantages and disadvantages, which are essential to consider before making a purchasing decision.

1. Reliability: Siemens is a reputable manufacturer known for producing high-quality electrical components. The Sirius contactor relay is no exception, offering reliable performance in demanding industrial environments.

2. Versatility: This contactor relay is suitable for various applications, including motor control, machine protection, and process control. It can handle currents up to 20A and voltages up to 125V.

3. Easy Installation: The Sirius contactor relay comes with a plug-in terminal block, making it easy to install and connect to other components. It also features a clear labeling of the terminal numbers, which simplifies the wiring process.

4. Robust Design: The contactor relay is designed with a robust and durable construction, making it suitable for use in harsh industrial environments. It features a protective cover that shields the contacts from dust and debris.

1. Cost: The Siemens Sirius contactor relay is more expensive than some other brands and models. However, the higher cost is justified by its superior quality and reliability.

2. Size: This contactor relay is larger than some other models on the market, which may make it less suitable for applications with limited space.

3. Complexity: The Sirius contactor relay may be more complex to configure and program than some other models, which may require additional expertise and resources.

The Siemens 3RH2140-1BG40 Sirius contactor relay 125V COIL S00 NSMP offers several advantages, including reliability, versatility, easy installation, and robust design. However, it also has some disadvantages, such as a higher cost and larger size. If reliability and quality are essential factors in your application, and you have the necessary budget and space, then the Siemens Sirius contactor relay is an excellent choice. On the other hand, if cost is a significant concern, or you have limited space, then you may want to consider other options.

If you require a high-quality and reliable contactor relay for your industrial automation application, and you have the necessary budget and space, then the Siemens 3RH2140-1BG40 Sirius contactor relay 125V COIL S00 NSMP is an excellent choice. It offers superior performance and durability, making it a worthwhile investment for your business.

Details:

Terminal type: screw clamp connection. This item is offered as surplus equipment. Designed for heavy-duty industrial automation, control networks, and signaling loops, this compact, finger-safe component provides premium electrical contact configuration in a space-saving s00 frame footprint. Model / catalog number.

Ean / bar code: 13. Product line: sirius 3rh2 series. Origin: made in germany. Siemens 3RH2140-1BG40 sirius contactor relay 4 no 125v dc coil size s00 nsmp up for sale is one 1 genuine, new surplus series 4-pole auxiliary contactor relay, manufactured by.

Technical specifications brand/manufacturer: Siemens.

specifications genpurrelays:

• brand: Siemens
• mpn: 3rh21401bg40
• country of origin: Germany
• upc: 662643906844
• current type: Dc
• type: Contactor Relay
• coil voltage: 125 V

returns genpurrelays:

• time: 60 days
• policy: returns accepted
• method: money back
• paid by: buyer

offer genpurrelays:

• in stock #: 5
• sold #: 12
• availability: in stock
• prices: $67.00–$85.00
• item condition:
  • New – Open box
  • New
  • Used
• best offers: true
• started: june 9, 2026
• options: ship-to-home

seller genpurrelays:

• # reviews: 23852
• city: utica, michigan
• rating: 100.0%

shipping genpurrelays:

• type: calculated
• service: ups ground, usps priority mail, ups next day air
• carrier: ups, usps
• transit: 2-4 days
• class: standard, expedited, one-day

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general genpurrelays:

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