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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
3 months ago
3TH2271-0BB4
Siemens 3TH2271-0BB4 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 3TH2271-0BB4 is a robust and reliable contactor relay designed to meet the demands of various industrial applications. This component is engineered to facilitate the control of electrical circuits, providing both flexibility and efficiency in system design. With a compact form factor, it features a width of 45mm, a height of 48mm, and a depth of 96mm, making it suitable for installation in space-constrained environments.
Constructed with a focus on durability, the 3TH2271-0BB4 operates within an ambient temperature range of -25°C to +55°C and boasts a protection class of IP20 on the front, ensuring it is safeguarded against the ingress of solid objects. The contactor relay is designed for DC operation with a control supply voltage rated at 24V DC, which is a common standard in industrial settings.
The device includes seven normally open (NO) contacts and one normally closed (NC) contact for auxiliary purposes, providing ample switching capabilities for various configurations. The screw-type terminals offer a secure and reliable connection for both auxiliary and control current circuits, ensuring stable and consistent performance.
With a B10 value of 400,000 at a high demand rate and a T1 value of 20 years for the proof test interval or service life, the 3TH2271-0BB4 is built to last, reducing the need for frequent replacements and maintenance. Its finger-safe design also enhances the safety aspect during installation and operation.
The Siemens 3TH2271-0BB4 is a versatile component suitable for a wide range of applications, including but not limited to, automation systems, control panels, and machinery that require precise and dependable switching operations. Its technical specifications and build quality make it a valuable addition to any industrial control system.
Constructed with a focus on durability, the 3TH2271-0BB4 operates within an ambient temperature range of -25°C to +55°C and boasts a protection class of IP20 on the front, ensuring it is safeguarded against the ingress of solid objects. The contactor relay is designed for DC operation with a control supply voltage rated at 24V DC, which is a common standard in industrial settings.
The device includes seven normally open (NO) contacts and one normally closed (NC) contact for auxiliary purposes, providing ample switching capabilities for various configurations. The screw-type terminals offer a secure and reliable connection for both auxiliary and control current circuits, ensuring stable and consistent performance.
With a B10 value of 400,000 at a high demand rate and a T1 value of 20 years for the proof test interval or service life, the 3TH2271-0BB4 is built to last, reducing the need for frequent replacements and maintenance. Its finger-safe design also enhances the safety aspect during installation and operation.
The Siemens 3TH2271-0BB4 is a versatile component suitable for a wide range of applications, including but not limited to, automation systems, control panels, and machinery that require precise and dependable switching operations. Its technical specifications and build quality make it a valuable addition to any industrial control system.
| Specification | Description |
|---|---|
| Part Number | 3TH2271-0BB4 |
| Alternative Part Number | 3TH22710BB4 |
| Manufacturer | Siemens |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Width | 45 mm |
| Height | 48 mm |
| Depth | 96 mm |
| Protection Class IP / Front | IP20 |
| Ambient Operating Temperature | -25 … +55 °C |
| Voltage Type / Control Feed | DC |
| Control Supply Voltage / Rated | 24 V DC |
| Operating Current at AC-15 | 4 A at 230 V, 3 A at 400 V |
| Number of NC Contacts | 1 |
| Number of NO Contacts | 7 |
| Connection Type | Screw-type terminals |
| B10 Value / High Demand Rate | 400,000 (With 0.3 x Ie) |
| T1 Value / Proof Test Interval | 20 years according to IEC 61508 |
| Protection Against Electric Shock | Finger-safe |
What is the size of the contactor for this part?
The contactor size for this Siemens contactor relay is designated as size 0.
What is the ambient operating temperature range for this device?
The ambient operating temperature range for this contactor relay is between -25°C and +55°C.
What type of protection class does the front of the contactor relay have?
The front of the contactor relay has a protection class of IP20.
What is the control supply voltage for this device?
The control supply voltage for this device is rated at 24V DC.
How many auxiliary contacts does this contactor relay have?
This contactor relay has 7 normally open (NO) contacts and 1 normally closed (NC) contact for auxiliary purposes.
What are the dimensions of this contactor relay?
The dimensions of the contactor relay are 45mm in width, 48mm in height, and 96mm in depth.
What type of mounting is suitable for this contactor relay?
This contactor relay is suitable for screw and snap-on mounting onto a 35mm standard mounting rail according to DIN EN 50022.
What is the B10 value for this contactor relay?
The B10 value for this contactor relay, with a high demand rate according to SN 31920, is 400,000 at 0.3 times the rated operating current (Ie).
What is the T1 value related to the proof test interval or service life?
The T1 value for the proof test interval or service life, according to IEC 61508, is 20 years.
Is the contactor relay protected against electrical shock?
Yes, the contactor relay is designed to be finger-safe, providing protection against electrical shock.
- Control and operation of electric motors
- Switching of lighting circuits in commercial buildings
- Automation of conveyor systems in manufacturing plants
- Integration into HVAC control systems for regulating climate
- Use in control panels for pump and compressor operations
- Implementation in packaging machinery for precise control
- Facilitation of complex operations in food and beverage processing equipment
- Deployment in material handling systems for efficient workflow management
- Activation of electromagnetic devices in industrial applications
- Management of electrical circuits in textile machinery
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
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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.
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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 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
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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.
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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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