3RH2911-1FA22
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Overview of Siemens 3RH2911-1FA22
Shop genuine Siemens 3RH2911-1FA22 auxiliary switch block online for your automation system. This high-quality front-mount contact block is engineered for reliable performance in industrial environments, offering 2NO and 2NC contacts for versatile control applications. Designed for use with Siemens 3RH21 control relays and 3RT201 contactors, the 3RH2911-1FA22 is a snap-on solution that ensures easy installation and maintenance. The block is built to IEC 60947-5-1 standards, delivering robust electrical and mechanical reliability for demanding automation tasks. Whether you need to expand auxiliary contacts or upgrade your control panel, this product is a trusted choice for engineers and technicians worldwide. For a detailed 3RH2911-1FA22 review, check the official datasheet and technical specs below.
Key Features of Siemens 3RH2911-1FA22
- Front-mount snap-on design for easy installation and removal
- 2NO and 2NC auxiliary contacts for flexible circuit control
- Compatible with Siemens 3RH21 relays and 3RT201 contactors
- Rated for 10 million mechanical switching cycles
- Electrical reliability: 200,000 cycles at AC-15, 230 V
- IP20 protection class for front panel safety
- Operating temperature range: -25°C to +60°C
- Conforms to IEC 60947-5-1 standards
- Positively driven contacts for safety-critical applications
Technical Specs of 3RH2911-1FA22
Explore 3RH2911-1FA22 specifications for detailed parameters before installation.
| Parameter | Value |
|---|---|
| Contacts | 2NO + 2NC |
| Mounting | Front snap-on |
| Compatible Devices | 3RH21, 3RT201 |
| Operating Temp | -25°C to +60°C |
| Storage Temp | -55°C to +80°C |
| Insulation Voltage | 690 V |
| Mechanical Cycles | 10,000,000 |
| Electrical Cycles (AC-15, 230V) | 200,000 |
Applications / Use Case
This Siemens 3RH2911-1FA22 is commonly used in industrial automation worldwide. It is ideal for control panels, machine automation, and process control systems where reliable auxiliary switching is required. The block is frequently installed in factory control panels, packaging and conveyor operations, and motion control setups to monitor and control relay states. Its robust design and compatibility with Siemens relays and contactors make it a preferred choice for engineers seeking dependable automation components.
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