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
3RH2911-1HA31
Siemens 3RH2911-1HA31 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 3RH2911-1HA31 is a high-quality auxiliary switch designed for optimal performance in various industrial applications. This front-side mounted switch features 3 Normally Open (NO) and 1 Normally Closed (NC) current paths, making it versatile for different circuit configurations. It's specifically designed for use with 3RH2 and 3RT2 contactor relays and power contactors.
The switch boasts an impressive mechanical service life of approximately 10 million switching cycles and an electrical endurance of 200,000 cycles at AC-15 at 230V. This ensures long-lasting durability and reliability in demanding environments.
With a protection class of IP20, it offers a degree of protection against touch by fingers and objects not greater than 12mm. The switch can operate efficiently in a wide range of ambient temperatures, from -25°C to +60°C during operation and -55°C to +80°C during storage.
The 3RH2911-1HA31 auxiliary switch is also equipped with screw-type terminals for auxiliary and control current circuits, accommodating a variety of conductor cross-sections. This makes installation and connection a breeze.
In terms of dimensions, the switch measures 36mm in width, 37.5mm in height, and 43.7mm in depth, making it compact enough for installation in tight spaces.
In summary, the Siemens 3RH2911-1HA31 auxiliary switch is a robust, reliable, and versatile component, designed to meet the rigorous demands of industrial applications.
The switch boasts an impressive mechanical service life of approximately 10 million switching cycles and an electrical endurance of 200,000 cycles at AC-15 at 230V. This ensures long-lasting durability and reliability in demanding environments.
With a protection class of IP20, it offers a degree of protection against touch by fingers and objects not greater than 12mm. The switch can operate efficiently in a wide range of ambient temperatures, from -25°C to +60°C during operation and -55°C to +80°C during storage.
The 3RH2911-1HA31 auxiliary switch is also equipped with screw-type terminals for auxiliary and control current circuits, accommodating a variety of conductor cross-sections. This makes installation and connection a breeze.
In terms of dimensions, the switch measures 36mm in width, 37.5mm in height, and 43.7mm in depth, making it compact enough for installation in tight spaces.
In summary, the Siemens 3RH2911-1HA31 auxiliary switch is a robust, reliable, and versatile component, designed to meet the rigorous demands of industrial applications.
| Specification | Description |
|---|---|
| Part Number | 3RH2911-1HA31 |
| Alternative Part Number | 3RH29111HA31 |
| Manufacturer | Siemens |
| Part Description | This is an auxiliary switch from the Siemens 3RH series. It features a snap-on mount design and has dimensions of 36 x 48.1 x 37.5 mm. |
| Short Description | The switch is designed for front side mounting and has 3 Normally Open (NO) and 1 Normally Closed (NC) current |
What is the description of this part?
This part is an Auxiliary Switch from the Siemens 3RH Series. It features a snap-on mount and has dimensions of 36 x 48.1 x 37.5 mm. It has a current path of 3 NO + 1 NC, which includes 1 NC, 1 NO, 1 NO, and 1 NO. It is designed for 3RH2 and 3RT2 with a screw terminal.
What are the technical specifications of this part?
The part operates at an ambient temperature of -25 to +60 degrees Celsius during operation and -55 to +80 degrees Celsius during storage. It has a mechanical service life of 10,000,000 operating cycles and an electrical endurance of 200,000 operating cycles at AC-15 at 230V. The part has an insulation voltage of 690V with a degree of pollution 3 and a surge voltage resistance of 6kV.
What is the protection class of this part?
The part has a protection class IP20 on the front.
What is the operational current of the auxiliary contacts?
The operational current of the auxiliary contacts at AC-12 is 10A at 24V and 230V. The maximum operational current is 10A.
What is the type of mounting for this part?
This part uses snap-on mounting.
What is the design of the electrical connection for this part?
The part uses screw-type terminals for the auxiliary and control current circuit.
What is the contact reliability of this part?
The contact reliability of the auxiliary contacts is 1 faulty switching per 100 million (17 V, 1 mA).
What is the suitability for use of this part?
This part is suitable for use with contactor relay and power contactor.
- Control and automation of industrial machinery
- Integration into motor control systems
- Use in contactor relays for switching electrical loads
- Implementation in safety circuits for machinery
- Utilisation in control panels for various industrial applications
- Part of assembly in control cabinets for electrical systems
- Use in automation systems for process control
- Integration in HVAC systems for building automation
- Use in manufacturing lines for automotive industry
- Implementation in power distribution systems for energy sector
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
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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
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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
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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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