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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
3RH1921-1CA01
Siemens 3RH1921-1CA01 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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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 3RH1921-1CA01 is a front-side auxiliary switch designed for use with contactors in motor switching applications. This reliable and durable component features 1 NC (normally closed) contact, ensuring efficient performance in various industrial settings. With a screw terminal connection, installation and maintenance are made easy. The 3RH1921-1CA01 is built to withstand a wide range of operating temperatures, from -25°C to +60°C, and offers an impressive mechanical service life of up to 10 million switching cycles. Its IP20 protection class ensures safety and reliability in various environments. Enhance your motor control system with the Siemens 3RH1921-1CA01 auxiliary switch.
| Specification | Description |
|---|---|
| Part Number | 3RH1921-1CA01 |
| Alternative Part Number | 3RH19211CA01 |
| Manufacturer | Siemens |
| Front-side Auxiliary Switch | Designed for use with Siemens contactors and relays |
| Contact Configuration | 1 Normally Closed (NC) contact |
| Compatibility | Compatible with Siemens 3RT contactors and 3RH relays |
| Mounting | Front-side mounting for easy installation |
| Certifications | CE, UL, CSA, and other international certifications |
What is the protection class of the front side of this part?
The protection class of the front side of the Siemens 3RH1921-1CA01 is IP20.
What is the ambient temperature range for storage and operation?
For the Siemens 3RH1921-1CA01, the ambient temperature range during storage is -55°C to +80°C, and during operation, it is -25°C to +60°C.
What is the mechanical service life of this part?
The typical mechanical service life of the Siemens 3RH1921-1CA01 is 10,000,000 switching cycles.
What is the electrical endurance of this part?
The electrical endurance of the Siemens 3RH1921-1CA01 at AC-15 at 230V is typically 200,000 switching cycles.
How many NC contacts does this part have?
The Siemens 3RH1921-1CA01 has 1 NC (normally closed) contact for auxiliary contacts.
What is the operational current of auxiliary contacts at AC-12?
For the Siemens 3RH1921-1CA01, the operational current of auxiliary contacts at AC-12 is 10A at 24V and 230V, with a maximum of 10A.
What is the operational current of auxiliary contacts at DC-12?
For the Siemens 3RH1921-1CA01, the operational current of auxiliary contacts at DC-12 is 10A at 24V, 3A at 110V, and 1A at 220V.
- Motor control and protection in industrial automation systems
- Auxiliary switching in power contactor applications
- Safety interlocking for machinery and equipment
- Control circuit monitoring and signaling
- Conveyor system control and monitoring
- Pump and fan control in HVAC systems
- Backup power supply switching in critical applications
- Load management and energy optimization in electrical distribution 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.
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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.
2 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!
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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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