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3RH2911-2FA22 Siemens
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Key specifications
Manufacturer
Siemens
HS code
85364900
Ship to
United States
Availability
1110 remaining
Express delivery to the United States
Full 12-month warranty
Secure payment process
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The Siemens 3RH2911-2FA22 is a meticulously engineered auxiliary switch designed to enhance the functionality of contactor relays and power contactors. This switch is a vital component for industrial control systems, offering a reliable solution for various switching operations. With a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, it provides flexibility for a wide range of applications. Constructed to withstand challenging industrial environments, the 3RH2911-2FA22 operates efficiently within an ambient temperature range of -25 to +60 degrees Celsius, ensuring consistent performance even in extreme conditions. The switch boasts an impressive mechanical service life of approximately 10 million switching cycles, highlighting its durability and long-term reliability. The auxiliary switch is rated for an insulation voltage of 690V, with a surge voltage resistance of 6kV, which is indicative of its robust design and its ability to handle high-voltage applications with ease. The spring-loaded terminals facilitate a secure and straightforward installation process, making it a user-friendly option for professionals. This Siemens auxiliary switch is not only built to last but also designed with safety in mind, featuring mirror contacts according to IEC 60947-4-1 and positively driven operation in compliance with IEC 60947-5-1. These features ensure that the switch operates safely and predictably, which is crucial for maintaining the integrity of the control system it is part of. The compact dimensions of the 3RH2911-2FA22, with a width of 36mm, height of 41.5mm, and depth of 47.7mm, allow for efficient use of space within control cabinets, making it an excellent choice for applications where space is at a premium. Overall, the Siemens 3RH2911-2FA22 auxiliary switch is a testament to Siemens' commitment to quality, reliability, and safety in industrial control components. It is an essential part of any system where precise control and long-term dependability are paramount.
Typical applications
- Control panel assemblies for industrial machinery
- Auxiliary contact blocks for motor starters and contactor relays
- Interface modules for automation systems
- Safety interlock circuits
- Control and signalling devices in electrical distribution systems
- Feedback circuits for status indication of electrical equipment
- Retrofitting existing electrical control systems for enhanced functionality
- Elevator and escalator control systems
- Packaging and material handling equipment
- HVAC control circuits in building management systems
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Full 12-month warranty
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