SIEMENS 3SK1121-2CB41 Sirius Finger Safe Safety Relay for Humid Environments

Product Description(for 3SK1121-2CB41):

This safety relay is designed with Relay Enabling Circuits which allow you to monitor safety-related functions such as Emergency Stop and Safety Door Switches. With this, it ensures that your machine safety is always maintained.

The SIRIUS Safety Relay Basic Unit Advanced Series With Time Delay 0.05-3 S Relay Enabling Circuits 2 NO Instantaneous 2 NO Delayed Us = 24 V DC Spring-type Terminal (push-in) has a time delay of 0.05-3 seconds which gives you enough time to react in case of an emergency. It also has a Us of 24 V DC which ensures that it is efficient and effective.

This safety relay is easy to install with its spring-type terminal (push-in) which makes the installation process quick and hassle-free. It can be installed at a maximum altitude of 2000mm above sea level and can withstand a degree of pollution of 3.

The SIRIUS Safety Relay Basic Unit Advanced Series With Time Delay 0.05-3 S Relay Enabling Circuits 2 NO Instantaneous 2 NO Delayed Us = 24 V DC Spring-type Terminal (push-in) has an insulation voltage rated value that ensures that it is safe to use. It also has a relative humidity during operation which makes it suitable for use in different environments.

In summary, the SIRIUS Safety Relay Basic Unit Advanced Series With Time Delay 0.05-3 S Relay Enabling Circuits 2 NO Instantaneous 2 NO Delayed Us = 24 V DC Spring-type Terminal (push-in) is a reliable and efficient safety relay that ensures your machine safety is always maintained. Its product code is 3BDM000199R1 and it is manufactured by ABB.

Features (for 3SK1121-2CB41):

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As of February 26, 2021

Subject to change without notice

PFDavg with low demand rate according to IEC 61508: 0.000007

T1 value for proof test interval or service life according to IEC 61508: 20 years

Hardware fault tolerance according to IEC 61508: 1

Safety device type according to IEC 61508-2: Type B

Number of outputs as contact-affected switching element:

• NO contact: 2 (safety-related instantaneous contact)
• safety-related delayed switching: 2

Stop category according to DIN EN 60204-1: 0/1

Design of input:

• cascading input/functional switching: Yes
• feedback input: Yes
• start input: Yes

Type of electrical connection: plug-in socket No

Operating frequency maximum: 360 1/h

Switching capacity current:

• NO contacts of the relay outputs:
  • at DC-13:
  • at 24 V: 3 A
  • at 115 V: 0.2 A
  • at 230 V: 0.1 A
• at AC-15
  • at 115 V: 3 A
  • at 230 V: 3 A

Thermal current of the switching element with contacts maximum: 5 A

Operational current at 17 V minimum: 5 mA

Total current maximum: 12 A

Mechanical service life (switching cycles) typical: 10,000,000

Design of the fuse link for short-circuit protection of the NO contacts of the relay outputs required:

• gL/gG: 6A or circuit breaker type A: 3A or circuit breaker type B: 2A or circuit breaker type C: 1A

Wire length:

• with Cu 1.5 mm² and 150 nF/km per sensor circuit maximum: 4,000 m

Make time with automatic start:

• at DC maximum: 110 ms

Make time with automatic start after power failure:

• typical: 6,500 ms
• maximum: 6,500 ms

Make time with monitored start:

• maximum: 110 ms

Backslide delay time after opening of the safety circuits typical: 40 ms

Backslide delay time in the event of power failure:

• typical: 30 ms
• maximum: 40 ms

Adjustable OFF-delay time after opening of the safety circuits: 0.05 ... 3

Recovery time after opening of the safety circuits typical: 30 ms

Recovery time after power failure typical: 6.5 s

Pulse duration:

• of the sensor input minimum: 75 ms
• of the ON pushbutton input minimum: 0.15 s

3SK1121-2CB41 Technical Parameters:

3SK1121-2CB41 Applications:

The SIEMENS 3SK1121-2CB41 is made in Germany, ensuring high-quality standards and reliable performance. It has a finger-safe touch protection feature, which prevents electrical shock and ensures safe operation. The enclosure has an IP20 protection class, making it suitable for indoor use. The installation altitude at height above sea level maximum is 2000mm, which makes it ideal for use in various industrial settings.

The SIEMENS 3SK1121-2CB41 safety relay basic unit has a spring-type terminal (push-in) and two NO instantaneous and two NO delayed relay enabling circuits. The time delay can be adjusted between 0.05-3 seconds, providing flexibility in different safety applications. The product has no certification, and the price is not mentioned. The minimum order quantity is one, and the packaging details are a carton. The delivery time is 6-8 weeks, and payment terms are T/T. The supply ability is one, which is suitable for small to medium-sized industrial applications.

Overall, the SIEMENS 3SK1121-2CB41 safety relay basic unit is an ideal product for different industrial safety applications. It is manufactured by SIEMENS, a well-known brand in the industry, ensuring high-quality standards. This product is commonly used in conjunction with other safety devices, such as emergency stop buttons and safety interlock switches, to provide comprehensive safety protection to machinery and equipment. With its finger-safe touch protection, IP20 protection class, and adjustable time delay, the SIEMENS 3SK1121-2CB41 safety relay basic unit is a reliable and flexible safety solution for different industrial settings.

3SK1121-2CB41 Support and Services:

Our product technical support and services team is dedicated to providing our customers with the highest level of assistance possible. Whether you need help with installation, configuration, or troubleshooting, our team is here to help.

We offer a range of support options to fit your needs, including phone and email support, online resources such as FAQs and knowledge base articles, and remote assistance options. Our team is available 24/7 to ensure that you can get the help you need when you need it.

In addition to our technical support, we also offer a range of services to help you get the most out of our product. These services include training and consulting to help you optimize your use of our product, as well as customization and integration services to help you tailor our product to your specific needs.

3SK1121-2CB41 Packing and Shipping:

Product Packaging:

The product will be packaged in a sturdy cardboard box with bubble wrap for protection. The box will be clearly marked with the product name and any necessary handling instructions.

Shipping:

We offer free standard shipping within the United States. The product will be shipped within 1-3 business days from the date of purchase. Expedited shipping options are available for an additional fee.

3SK1121-2CB41 FAQ:

Q: What is the brand name of this product?

A: The brand name of this product is SIEMENS.

Q: What is the model number of this product?

A: The model number of this product is 3SK1121-2CB41.

Q: Where is this product made?

A: This product is made in Germany.

Q: Is this product certified?

A: No, this product is not certified.

Q: What is the minimum order quantity for this product?

A: The minimum order quantity for this product is 1.

Q: What is the price of this product?

A: We do not provide the price of this product. Please contact us for a quote.

Q: What are the packaging details for this product?

A: The packaging details for this product is Carton.

Q: What is the delivery time for this product?

A: The delivery time for this product is 6-8 weeks.

Q: What are the payment terms for this product?

A: The payment terms for this product is T/T.

Q: What is the supply ability of this product?

A: The supply ability of this product is 1.