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 weeks ago
3RH2911-1HA11
Siemens 3RH2911-1HA11 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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.
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 3RH2911-1HA11 is an auxiliary switch designed for use with contactor relays and power contactors. This reliable and durable component features 1 Normally Open (NO) and 1 Normally Closed (NC) contact, providing efficient and secure switching operations. With a protection class IP20 on the front, the 3RH2911-1HA11 is suitable for various industrial applications. The auxiliary switch has an ambient operating temperature range of -25°C to +60°C and a storage temperature range of -55°C to +80°C. Its mechanical service life is rated at 10 million switching cycles, while its electrical endurance at AC-15 at 230V is rated at 200,000 switching cycles. The 3RH2911-1HA11 is designed for snap-on mounting and features screw-type terminals for easy installation and secure connections. Enhance the performance and reliability of your control systems with the Siemens 3RH2911-1HA11 auxiliary switch.
| Specification | Description |
|---|---|
| Part Number | 3RH2911-1HA11 |
| Alternative Part Number | 3RH29111HA11 |
| Manufacturer | Siemens |
| Rated Operational Current | 10 A (AC-15, 230 V) |
| Rated Insulation Voltage | 690 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Rated Frequency | 50/60 Hz |
| Number of Contacts | 1 NO + 1 NC |
| Contact Material | Silver |
| Mounting Type | Snap-on mounting |
| Dimensions (Width x Height x Depth) | 36 mm x 37.5 mm x 43.7 mm |
| Electrical Connection | Screw-type terminals |
| Connectable Conductor Cross-Sections | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| AWG Conductors for Auxiliary Contacts | 2x (20 ... 16), 2x (18 ... 14) |
| Mirror Contact | Yes (with 3RT2) |
| Positively Driven Operation | Yes (with 3RH2) |
What is the protection class IP on the front of the auxiliary switch?
The protection class IP on the front of the Siemens 3RH2911-1HA11 auxiliary switch is IP20.
What is the ambient temperature range for storage and operation?
For the Siemens 3RH2911-1HA11, the ambient temperature range during storage is -55°C to +80°C, and during operation is -25°C to +60°C.
What is the mechanical service life of this auxiliary switch?
The typical mechanical service life of the Siemens 3RH2911-1HA11 auxiliary switch is 10,000,000 switching cycles.
What is the electrical endurance of this auxiliary switch?
The electrical endurance of the Siemens 3RH2911-1HA11 auxiliary switch at AC-15 at 230 V is typically 200,000 switching cycles.
What is the insulation voltage with degree of pollution 3?
The insulation voltage of the Siemens 3RH2911-1HA11 auxiliary switch with degree of pollution 3 is rated at 690 V.
What is the surge voltage resistance of this auxiliary switch?
The surge voltage resistance of the Siemens 3RH2911-1HA11 auxiliary switch is rated at 6 kV.
What are the dimensions of this auxiliary switch?
The dimensions of the Siemens 3RH2911-1HA11 auxiliary switch are 36 mm in width, 37.5 mm in height, and 43.7 mm in depth.
What type of electrical connection is used for the auxiliary and control current circuit?
The Siemens 3RH2911-1HA11 auxiliary switch uses screw-type terminals for the electrical connection of the auxiliary and control current circuit.
Does this auxiliary switch have a mirror contact function according to IEC 60947-4-1?
Yes, the Siemens 3RH2911-1HA11 auxiliary switch has a mirror contact function according to IEC 60947-4-1.
Does this auxiliary switch have a positively driven operation function according to IEC 60947-5-1?
Yes, the Siemens 3RH2911-1HA11 auxiliary switch has a positively driven operation function according to IEC 60947-5-1.
- Control and automation systems in industrial applications
- Motor control centers for power distribution
- Pump and fan control in HVAC systems
- Conveyor systems and material handling equipment
- Packaging and assembly line machinery
- Elevator and escalator control systems
- Renewable energy systems, such as solar and wind power installations
- Backup power systems and generator control
- Crane and hoist control in manufacturing and construction environments
- Machine tool control and automation
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
Payment
Trade CreditWe understand that credit is a necessary part of business and offer credit agreements on request, subject to status.
Payment optionsWe 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
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!
2 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!
2 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
Be a Factory Hero.
Get parts fast.
You don’t need tights and a cape to be a hero.
Get parts fast and feel like a legend, just like Jeff.