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
3 months ago
3RH1921-1FA22
Siemens 3RH1921-1FA22 available at EU Automation. Get in touch today for a quick price.
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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 3RH1921-1FA22 is a robust and reliable auxiliary contact block, designed to enhance the functionality of your contactor relays and power contactors. This 4-pole attachable block, compliant with DIN EN 50005, features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, providing versatility for a range of industrial applications.
With an insulation voltage of 690V and a surge voltage resistance of 6kV, this part ensures safe and efficient operation even in demanding environments. The 3RH1921-1FA22 is designed to withstand ambient temperatures ranging from -25°C to +60°C during operation and -55°C to +80°C during storage, making it suitable for use in a wide range of climates.
The part boasts an impressive mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V. This ensures longevity and reduces the need for frequent replacements, contributing to cost savings in the long run.
The Siemens 3RH1921-1FA22 auxiliary contact block is part of the renowned SIRIUS product range, known for its high-quality and reliable industrial control components. This part is a testament to Siemens' commitment to innovation and excellence in the field of industrial automation.
With an insulation voltage of 690V and a surge voltage resistance of 6kV, this part ensures safe and efficient operation even in demanding environments. The 3RH1921-1FA22 is designed to withstand ambient temperatures ranging from -25°C to +60°C during operation and -55°C to +80°C during storage, making it suitable for use in a wide range of climates.
The part boasts an impressive mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V. This ensures longevity and reduces the need for frequent replacements, contributing to cost savings in the long run.
The Siemens 3RH1921-1FA22 auxiliary contact block is part of the renowned SIRIUS product range, known for its high-quality and reliable industrial control components. This part is a testament to Siemens' commitment to innovation and excellence in the field of industrial automation.
| Specification | Description |
|---|---|
| Part Number | 3RH1921-1FA22 |
| Alternative Part Number | 3RH19211FA22 |
| Manufacturer | Siemens |
| Part Description | This is a Siemens Auxiliary Contact Block with a voltage rating of 690V. It is designed to be attachable, providing flexibility and ease of use in various industrial applications. |
| Country of Origin | Not specified |
| Commodity Code | 85365080 |
What is the purpose of this Siemens Auxiliary Contact Block?
The Siemens Auxiliary Contact Block 3RH1921-1FA22 is designed to be used with contactor relays and power contactors. It helps in the control of electrical circuits by providing additional switching contacts.
What are the technical specifications of this Auxiliary Contact Block?
This Auxiliary Contact Block is 4-pole with 2 Normally Open (NO) and 2 Normally Closed (NC) contacts. It has an insulation voltage of 690V and an impulse voltage resistance of 6kV. It operates within an ambient temperature range of -25 to +60 degrees Celsius.
What is the mechanical and electrical endurance of this part?
The Siemens Auxiliary Contact Block 3RH1921-1FA22 has a mechanical service life of approximately 10 million switching cycles and an electrical endurance of about 200,000 switching cycles at AC-15 at 230V.
What is the protection class of this Auxiliary Contact Block?
The Siemens Auxiliary Contact Block 3RH1921-1FA22 has a protection class IP20 on the front, which means it is protected against solid objects larger than 12.5mm but is not protected against liquids.
What is the operating current of the auxiliary contacts?
The operating current of the auxiliary contacts of the Siemens Auxiliary Contact Block 3RH1921-1FA22 at AC-12 is 10A at voltages of 24V, 230V, 400V, and 690V.
What is the contact reliability of this Auxiliary Contact Block?
The Siemens Auxiliary Contact Block 3RH1921-1FA22 has a contact reliability of one incorrect switching operation of 100 million switching operations at 17V, 5mA.
What is the storage temperature range for this part?
The Siemens Auxiliary Contact Block 3RH1921-1FA22 can be stored safely within a temperature range of -55 to +80 degrees Celsius.
- As an auxiliary contact block, the Siemens 3RH1921-1FA22 is commonly used in conjunction with contactor relays and power contactors to control electrical circuits.
- It is often utilised in industrial automation systems to enhance the functionality of control circuits.
- The part is frequently used in safety circuits, where it can provide additional contacts for safety relays.
- It is suitable for use in motor control centres, where it can provide auxiliary contacts for motor starters and contactors.
- The Siemens 3RH1921-1FA22 can be used in control panels to provide additional contacts for various control and signalling devices.
- It is commonly used in HVAC systems, where it can provide auxiliary contacts for various control devices.
- The part is also suitable for use in conveyor systems, where it can provide additional contacts for various control devices.
- It can be used in manufacturing plants to enhance the functionality of automated machinery.
- The Siemens 3RH1921-1FA22 is often used in power distribution systems to provide auxiliary contacts for circuit breakers and other protective devices.
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.
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Customer reviews
steve
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.
5 months ago
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!
5 months ago
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!
5 months ago
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.
5 months ago
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!
6 months ago
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