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
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3RH1921-1HA22
Siemens 3RH1921-1HA22 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.
Introducing the Siemens 3RH1921-1HA22 Auxiliary Switch Block, a reliable and efficient component designed for seamless integration with contactor relays and power contactors. This 4-pole switch block features a DIN EN50012 standard and offers a secure screw connection, making it compatible with motor contactors of sizes S0 to S3.
With an impressive mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V, the 3RH1921-1HA22 ensures long-lasting performance and reliability. The auxiliary switch block is equipped with 2 Normally Closed (NC) and 2 Normally Open (NO) instantaneous contacts, providing versatility for various applications.
The 3RH1921-1HA22 is designed to operate in a wide range of ambient temperatures, from -25°C to +60°C, and can be stored at temperatures between -55°C and +80°C. Boasting a surge voltage resistance of 6kV and an insulation voltage of 690V with a degree of pollution 3, this auxiliary switch block offers exceptional protection and safety.
Upgrade your industrial automation systems with the Siemens 3RH1921-1HA22 Auxiliary Switch Block and experience enhanced performance, reliability, and versatility.
With an impressive mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V, the 3RH1921-1HA22 ensures long-lasting performance and reliability. The auxiliary switch block is equipped with 2 Normally Closed (NC) and 2 Normally Open (NO) instantaneous contacts, providing versatility for various applications.
The 3RH1921-1HA22 is designed to operate in a wide range of ambient temperatures, from -25°C to +60°C, and can be stored at temperatures between -55°C and +80°C. Boasting a surge voltage resistance of 6kV and an insulation voltage of 690V with a degree of pollution 3, this auxiliary switch block offers exceptional protection and safety.
Upgrade your industrial automation systems with the Siemens 3RH1921-1HA22 Auxiliary Switch Block and experience enhanced performance, reliability, and versatility.
| Specification | Description |
|---|---|
| Part Number | 3RH1921-1HA22 |
| Alternative Part Number | 3RH19211HA22 |
| Manufacturer | Siemens |
| Ambient Temperature (Storage) | -55°C to +80°C |
| Ambient Temperature (Operation) | -25°C to +60°C |
| Mechanical Service Life | 10,000,000 switching cycles (typical) |
| Electrical Endurance | 200,000 switching cycles at AC-15 at 230 V (typical) |
| Insulation Voltage | 690 V (with degree of pollution 3) |
| Surge Voltage Resistance | 6 kV (rated value) |
| Auxiliary Circuit Contacts | 2 NO (instantaneous) + 2 NC (instantaneous) |
| Operating Current (Auxiliary) | 10 A at 24 V and 230 V (AC-12) |
| Protection Class IP (Front) | IP20 |
| Product Brand Name | SIRIUS |
| Suitability for Use | Contactor relay and power contactor |
What is the main function of this auxiliary switch block?
The Siemens 3RH1921-1HA22 auxiliary switch block is designed for use with contactor relays and power contactors, specifically for motor contactors of sizes S0 to S3. It helps in monitoring and controlling the auxiliary circuits in industrial automation systems.
What are the contact configurations of this auxiliary switch block?
The 3RH1921-1HA22 auxiliary switch block features 2 Normally Open (NO) and 2 Normally Closed (NC) instantaneous contacts, providing a total of 4 poles for auxiliary circuit control.
What is the operating temperature range for this part?
The Siemens 3RH1921-1HA22 can operate in ambient temperatures ranging from -25°C to +60°C, ensuring reliable performance in various industrial environments.
What is the mechanical service life of this auxiliary switch block?
The 3RH1921-1HA22 auxiliary switch block has a typical mechanical service life of 10 million switching cycles, ensuring long-lasting durability and reliability in your automation system.
What is the electrical endurance of this part?
The Siemens 3RH1921-1HA22 auxiliary switch block has an electrical endurance of 200,000 switching cycles at AC-15 at 230V, providing reliable performance throughout its lifespan.
What type of connection does this auxiliary switch block use?
The 3RH1921-1HA22 auxiliary switch block features a screw connection for easy and secure installation in your automation system.
What is the protection class IP rating for this part?
The Siemens 3RH1921-1HA22 auxiliary switch block has a protection class IP20 rating on the front, providing a basic level of protection against solid objects and ensuring safe operation in industrial environments.
- Motor control and protection in industrial automation systems
- Auxiliary switch block for contactor relays and power contactors
- Control panel and switchgear applications
- Machine tool control and automation
- Conveyor system control and automation
- Pump and fan control in HVAC systems
- Lighting control in commercial and industrial settings
- Backup power supply switching and control
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.
3 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!
3 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!
3 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.
3 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!
4 months ago
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