3RH2911-1HA22

Overview of Siemens 3RH2911-1HA22

Buy genuine Siemens 3RH2911-1HA22 auxiliary switch blocks online today for your automation system. This industrial-grade component is designed for front mounting on S00 and S0 contactors, offering reliable switching performance in demanding environments. The Siemens 3RH2911-1HA22 is a 2NO+2NC auxiliary switch block, ideal for extending the contact configuration of contactor relays and power contactors. With a robust design and compatibility with the SIRIUS modular system, this switch block is widely used in industrial automation and control panels. Its snap-on mounting and centrally positioned release lever make installation and removal quick and easy, ensuring minimal downtime during maintenance. The product is factory-tested and built to meet international standards, making it a trusted choice for engineers and maintenance professionals worldwide.

Key Features of Siemens 3RH2911-1HA22

• 2 normally open (NO) and 2 normally closed (NC) contacts for flexible circuit design
• Designed for front mounting on S00 and S0 contactors (3RT2 and 3RH2 series)
• High mechanical service life: up to 10,000,000 switching cycles
• Electrical endurance: 200,000 cycles at AC-15, 230 V
• IP20 protection class for reliable operation in industrial environments
• Operating temperature range: -25°C to +60°C during operation
• Easy snap-on installation with a central release lever for quick removal
• Compatible with Siemens SIRIUS modular system for seamless integration
• Rated insulation voltage: 690 V, surge voltage resistance: 6 kV
• Meets international standards for contact reliability and safety

Technical Specs of 3RH2911-1HA22

Explore Siemens 3RH2911-1HA22 specifications for detailed parameters before installation.

Applications / Use Case

This Siemens 3RH2911-1HA22 is commonly used in industrial automation worldwide. It is ideal for extending the contact configuration of contactor relays and power contactors in factory control panels, production line systems, and machine automation setups. The switch block is suitable for applications requiring reliable auxiliary switching, such as motor control, process control, and packaging and conveyor operations. Its robust design and compatibility with the SIRIUS modular system make it a preferred choice for engineers and maintenance professionals in various industries.

Price & Availability

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