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3RH2911-1HA31

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Regular price $12.13
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The Siemens 3RH2911-1HA31 is an industrial-grade auxiliary switch block designed for seamless integration with Siemens contactors like the 3RH and 3RT series. It features a snap-on front mount design with 3 normally open (NO) and 1 normally closed (NC) auxiliary contacts, ensuring reliable switching and status signaling in control circuits. Engineered to meet IEC 60947-5-1 standards, this auxiliary contact block offers exceptional durability with a mechanical service life up to 10 million cycles and an electrical endurance of around 200,000 cycles. Compact and robust, the 3RH2911-1HA31 is suitable for demanding automation systems requiring precise auxiliary contact performance. Its easy installation and screw terminal connections streamline integration into industrial control panels and automation setups, making it a preferred component among automation professionals.

Key Features of Siemens 3RH2911-1HA31

  • Snap-on front mount auxiliary switch block for quick installation
  • Configured with 3 NO (normally open) and 1 NC (normally closed) contacts
  • Complies with IEC 60947-5-1 standards for auxiliary contacts
  • Mechanical service life approximately 10,000,000 operating cycles
  • Electrical endurance up to 200,000 cycles at AC-15, 230 V
  • Suitable for use with Siemens 3RH and 3RT series contactors and relays
  • Screw terminal connection for secure wiring
  • Compact dimensions for flexible panel design
  • Rated for voltages up to 690 V and capable of switching currents at various voltages

Technical Specs of 3RH2911-1HA31

Explore Siemens 3RH2911-1HA31 technical data for detailed parameters before installation.

Specification Details
Contact Configuration 3 NO + 1 NC
Rated Voltage Up to 690 V AC
Operating Current (AC-15) 6 A at 24 V and 230 V
Mechanical Service Life 10,000,000 cycles
Electrical Service Life 200,000 cycles at 230 V AC
Mounting Type Snap-on front mount
Terminals Screw terminals
Insulation Voltage 690 V
Dimensions (HxWxD) Approx. 37.5 x 36 x 43.7 mm

Applications / Use Case

This Siemens 3RH2911-1HA31 auxiliary contact block is commonly used in industrial automation systems worldwide. It is ideal for adding auxiliary signaling or control switching functions to main contactors within factory control panels, production lines, and motion control setups. Its robust design supports reliable operation in packaging and conveyor operations as well as process control environments. By providing dependable contact feedback, the 3RH2911-1HA31 enhances machine safety and monitoring capabilities, which are critical in automated manufacturing and industrial equipment control.

Price & Availability

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3RH2911-1HA31

$12.13

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

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