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3RH6911-1HA22

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The Siemens 3RH6911-1HA22 is a high-quality auxiliary contact block designed for industrial automation applications. As part of the Siemens SIRIUS modular relay series, this 4NO (four normally open contacts) contactor relay is ideal for signal amplification and interfacing with higher-power devices like motor contactors and contactor relays. Rated for a control voltage of 110V AC, it offers reliable operation with a mechanical lifespan of up to 30 million operations and an electrical lifespan of 1 million operations under AC-15 conditions. Featuring LED status indicators and tool-free DIN rail mounting, the 3RH6911-1HA22 is engineered for efficient installation and maintenance in automation control panels.

Key Features of Siemens 3RH6911-1HA22

  • 4 Normally Open (4NO) contact configuration for versatile switching
  • Control voltage: 110V AC coil (suffix 1HA22)
  • Robust mechanical life of 30 million operations
  • Electrical life rated at 1 million operations (AC-15)
  • LED status indicator for easy visual feedback
  • Tool-free 35mm DIN rail mounting
  • Spring-cage terminals compatible with 0.5 to 2.5 mm² wiring
  • Wide operating temperature range from -25°C to +60°C
  • Screw terminal connection for secure wiring

Technical Specs of Siemens 3RH6911-1HA22

Explore Siemens 3RH6911-1HA22 specifications covering voltage, I/O, and communication to ensure system compatibility.

Parameter Value
Contact Configuration 4NO (Form A)
Rated Current 6A (AC-15) / 5A (DC-13)
Control Voltage 110V AC
Mechanical Life 30 million operations
Electrical Life 1 million operations (AC-15)
Mounting Type Tool-free 35mm DIN rail
Terminal Type Spring-cage, 0.5–2.5 mm² wires
Operating Temperature -25°C to +60°C

Applications / Use Case

This Siemens 3RH6911-1HA22 is commonly used in industrial automation environments for control panels and motor control. It provides reliable signal amplification and allows PLCs to interface efficiently with higher power devices. The auxiliary contact block is suited for production line systems, packaging, conveyor operations, and other applications requiring dependable switching and status feedback in factory control setups.

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3RH6911-1HA22

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