3RH2122-1BW40

Siemens 3RH2122-1BW40 available at EU Automation. Get in touch today for a quick price.

Trustpilot stars Based on over 4900 reviews

Full 12-month warranty

Available for dispatch immediately

We deliver worldwide

Get a quick price for 3RH2122-1BW40

Quantity

Adding another part to your enquiry?

For more information on how your data is processed and stored by EU Automation please read our privacy policy.

All orders are subject to product availability. See our T&Cs.

Ask our team

What happens next?

1. Email confirmation

You will get an email confirming that we have received your enquiry.

2. Dedicated Account Manager

One of our team will be in touch to confirm your part(s) specification and condition.

3. Your quote

You will receive a comprehensive quote tailored to your specific needs.

The Siemens 3RH2122-1BW40 is a high-quality contactor relay designed for reliable performance in industrial automation applications. This versatile component features two normally open (NO) and two normally closed (NC) contacts, making it suitable for a variety of control tasks. Operating at a control supply voltage of 48 V DC, the 3RH2122-1BW40 is part of the SIRIUS range and is built to meet rigorous standards of durability and efficiency.

With a compact Size S00 form factor, this contactor relay is easy to integrate into existing systems. It boasts a robust insulation voltage rating of 690 V and a surge voltage resistance of 6 kV, ensuring it can handle demanding electrical environments. The device is equipped with screw terminals for secure and straightforward wiring.

The 3RH2122-1BW40 is designed to operate within a wide ambient temperature range of -25°C to +60°C, making it suitable for various industrial settings. It also features a high mechanical service life, with typical switching cycles reaching up to 30 million, ensuring long-term reliability and reduced maintenance needs.

This contactor relay is also rated for high shock resistance, withstanding up to 15g at DC, and offers IP20 protection on the front, providing a degree of protection against dust and finger contact. The Siemens 3RH2122-1BW40 is an excellent choice for engineers and technicians seeking a dependable and efficient solution for their control systems.
Specification Description
Part Number 3RH2122-1BW40
Manufacturer Siemens
Product Brand Name SIRIUS
Product Type Contactor Relay
Size S00
Contact Configuration 2 NO + 2 NC
Control Voltage 48 V DC
Terminal Type Screw Terminal
Insulation Voltage 690 V (with degree of pollution 3)
Degree of Pollution 3
Surge Voltage Resistance 6 kV
Protection Class IP20 (on the front)
Shock Resistance 10g / 5 ms, 5g / 10 ms (rectangular impulse at DC)
Shock Resistance (Sine Pulse) 15g / 5 ms, 8g / 10 ms (at DC)
Mechanical Service Life 30,000,000 switching cycles
Operating Temperature Range -25°C to +60°C
Storage Temperature Range -55°C to +80°C
Installation Altitude Up to 2,000 meters above sea level
Auxiliary Contacts 2 NO + 2 NC
Control Supply Voltage Range 0.8 to 1.1 times the rated value
Pull-in Power (DC) 4 W
Holding Power (DC) 4 W
Closing Delay (DC) 30 to 100 ms
Opening Delay (DC) 7 to 13 ms
Arcing Time 10 to 15 ms
Contact Reliability 1 faulty switching per 100 million (17 V, 1 mA)
Operating Current (AC-12) Maximum 10 A
Operating Current (AC-15) 10 A at 230 V, 3 A at 400 V, 2 A at 500 V, 1 A at 690 V
Operating Current (DC-12) 10 A at 24 V, 3 A at 110 V, 1 A at 220 V, 0.3 A at 440 V, 0.15 A at 600 V
Operating Current (DC-13) 10 A at 24 V, 1 A at 110 V, 0.3 A at 220 V, 0.14 A at 440 V, 0.1 A at 600 V
No-load Switching Frequency 10,000 operations per hour (AC and DC)
Frequency of Operation 1,000 operations per hour (AC-12, AC-14, AC-15)

What is the voltage rating for the control supply of this contactor relay?

The control supply voltage for this contactor relay is rated at 48 V DC.

How many auxiliary contacts does this contactor relay have?

This contactor relay has 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.

What is the maximum operating current for the auxiliary contacts at 230 V AC?

The maximum operating current for the auxiliary contacts at 230 V AC is 10 A.

What is the degree of protection for this contactor relay?

The contactor relay has a degree of protection rated at IP20.

What is the mechanical service life of this contactor relay?

The mechanical service life of this contactor relay is approximately 30,000,000 switching cycles.

Can this contactor relay be mounted on a DIN rail?

Yes, this contactor relay can be mounted on a 35 mm DIN rail.

What is the maximum installation altitude for this contactor relay?

The maximum installation altitude for this contactor relay is 2,000 meters above sea level.

What is the rated insulation voltage for this contactor relay?

The rated insulation voltage for this contactor relay is 690 V.

What is the closing delay time for the control circuit at DC?

The closing delay time for the control circuit at DC is between 30 to 100 milliseconds.

What type of terminals does this contactor relay use?

This contactor relay uses screw terminals.

  • Industrial automation systems
  • Motor control circuits
  • Conveyor belt systems
  • HVAC systems
  • Packaging machinery
  • Material handling equipment
  • Process control systems
  • Lighting control systems
  • Pump control systems
  • Elevator and escalator control systems

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

Delivery

  • Logistic partners UPS, FedEx and DHL
  • International delivery available
  • Premium nine hour delivery service available to anywhere in Europe
  • Same day dispatch from group stock

Warranty

All parts new or reconditioned are covered by EU Automation 12 month warranty

Returns

No hassle returns policy

Dedicated customer support team

Trade Credit

We understand that credit is a necessary part of business and offer credit agreements on request, subject to status.

Payment options

We accept Bank transfers and the following methods of payment:

All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.

Services

Sourcing your part

Global supplier of quality automation and control components

Service Exchange

Dispose of your old unit by exchanging it for a working part.

Repair

A comprehensive repair service for faulty equipment.

Customer reviews

5 out of 5 stars steve

Got hold of Sime for a Carrier card for…


Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime

1 month ago

5 out of 5 stars Daniel

Excellent customer service...


Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.

2 months ago

5 out of 5 stars Jerry Schrink

Tom Higgins provided amazing service


Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!

2 months ago

5 out of 5 stars Paulo Pereira

Excellent service and communication…


Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!

3 months ago

5 out of 5 stars Gary

Tom Higgins did a great job at getting…


Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.

3 months ago

5 out of 5 stars Lessle Smith

Thomas Higgins has gone above and…


Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!

4 months ago

Factory worker carrying automation parts box.

Our world, made possible by manufacturing. Manufacturing made possible by EU Automation.

Discover how we do our part to keep your production lines moving.

FAQs

View all FAQs

We're here when you need us