3RH2911-2NF11

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$30.02
$30.02
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Overview of Siemens 3RH2911-2NF11

Buy genuine Siemens 3RH2911-2NF11 online for your automation system. This auxiliary switch block from Siemens' SIRIUS 3RH2 series is designed for reliable expansion of contactor functionality. Featuring a snap-on mounting for easy installation on contactors 3RT2 and contactor relays 3RH2, the 3RH2911-2NF11 offers a robust solution for industrial control panels. It includes 1 normally open (NO) and 1 normally closed (NC) contact, both solid-state compatible, ensuring stable performance even under low voltage and current conditions. With a compact design and IEC compliance, this accessory enhances system control versatility and longevity.

Key Features of Siemens 3RH2911-2NF11

  • Snap-on mounting for quick and secure attachment to contactors
  • 1 NO + 1 NC auxiliary contacts, solid-state compatible for up to 0.3 A at DC 24V
  • Compact dimensions: 36 mm width, 41.5 mm height, and 47.7 mm depth
  • Operating temperature range from -25°C to +60°C suitable for harsh environments
  • Rated insulation voltage of 690 V and surge voltage resistance up to 6 kV
  • Spring-loaded terminals supporting flexible wiring options and conductor sizes
  • Mechanical service life rated up to 5,000,000 operating cycles
  • IP20 protection rating on the front for safety against finger contact
  • Standards compliant: IEC 60947 series for contactors and auxiliary switches

Technical Specs of 3RH2911-2NF11

Explore Siemens 3RH2911-2NF11 specifications for detailed parameters to ensure system compatibility.

Specification Value
Number of Contacts 1 NO + 1 NC
Contact Current Rating (DC-13, 24V) 0.3 A
Insulation Voltage 690 V
Surge Voltage Resistance 6 kV
Mounting Type Snap-on
Protection Class IP20
Dimensions (W x H x D) 36 mm x 41.5 mm x 47.7 mm
Operating Temperature Range -25°C to +60°C
Mechanical Service Life 5,000,000 cycles

Applications / Use Case

This Siemens 3RH2911-2NF11 is commonly used in industrial automation worldwide. It serves as an auxiliary switch block for contactor relays, enabling additional switching functions and feedback in motor control centers, factory automation, and production line systems. Its snap-on design allows quick upgrades to existing contactor installations, facilitating enhanced signal monitoring and interlocking in process control and machine automation environments. Suitable for use in control panels and conveyor systems, it helps maintain safe and efficient operation in demanding industrial applications.

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3RH2911-2NF11

$30.02

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Does it come with a warranty?

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

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