3RH1911-1FA22

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The Siemens 3RH1911-1FA22 is a robust and reliable auxiliary switch block designed to enhance the functionality of your contactor relays and motor contactors. This switch block features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, conforming to EN 50005 standards. It utilises a screw terminal connection and is suitable for size S00 devices.

With an insulation voltage rated at 690V and a surge voltage resistance rated at 6kV, this auxiliary switch block ensures safe and efficient operation in various industrial environments. It boasts an impressive mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V, making it a durable choice for your automation needs.

The 3RH1911-1FA22 is part of the renowned Siemens SIRIUS product range, known for its high-quality and performance. It operates effectively within an ambient temperature range of -25 to +60 degrees Celsius, making it versatile for use in a wide range of conditions.

Please note, this auxiliary switch block has a protection class IP20 on the front, ensuring it is protected against touch by fingers and similar objects.

Incorporate the Siemens 3RH1911-1FA22 auxiliary switch block into your system for enhanced control and reliability.
Specification Description
Part Number 3RH1911-1FA22
Alternative Part Number 3RH19111FA22
Manufacturer Siemens
Part Description This is a Siemens Auxiliary Switch Block with a voltage rating of 690 V.
Short Description The part is an auxiliary switch block, 22 2 NO + 2 NC EN 50005 with a screw terminal size S00.
Commodity Code 85365080
Country of Origin Not specified

What is the function of this Siemens Auxiliary Switch Block?

The Siemens 3RH1911-1FA22 is an auxiliary switch block designed to work with contactor relays and motor contactors. It helps in controlling the flow of electricity and ensuring the safe operation of the connected devices.

What are the technical specifications of this Auxiliary Switch Block?

This Auxiliary Switch Block operates at an insulation voltage of 690V with a surge voltage resistance of 6kV. It has an ambient operating temperature range of -25 to +60 degrees Celsius and a storage temperature range of -55 to +80 degrees Celsius. It features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts.

What is the mechanical service life of this part?

The Siemens 3RH1911-1FA22 has a mechanical service life of approximately 10 million switching cycles, making it a durable and reliable choice for your industrial automation needs.

What is the electrical endurance of this Auxiliary Switch Block?

At AC-15 at 230V, the Siemens 3RH1911-1FA22 has an electrical endurance of approximately 200,000 switching cycles.

What is the protection class of this part?

The Siemens 3RH1911-1FA22 Auxiliary Switch Block has a protection class IP20 on the front, which means it is protected against solid objects larger than 12.5mm but is not protected against liquids.

What is the size of this Auxiliary Switch Block?

This Auxiliary Switch Block is of size S00 according to the Siemens classification. This makes it compact and suitable for various industrial applications.

What is the contact reliability of this part?

The Siemens 3RH1911-1FA22 has a contact reliability of one incorrect switching operation of 100 million switching operations at 17V, 5mA. This ensures high reliability in its operation.

  • Used in industrial automation systems for controlling motors
  • Integrated into control panels for machinery operation
  • Utilised in manufacturing plants for process automation
  • Incorporated in conveyor systems for efficient material handling
  • Employed in HVAC systems for regulating temperature and airflow
  • Used in power distribution systems for safe and efficient energy management
  • Integrated into safety systems for emergency stop and alarm activation
  • Utilised in lighting systems for automated control and energy efficiency
  • Incorporated in automated production lines for precise control of machinery
  • Employed in renewable energy systems for efficient power management

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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