3RH21311JB40

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$39.14
$39.14
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Overview of Siemens 3RH21311JB40

Buy genuine Siemens 3RH21311JB40 online, a reliable and efficient coupling contactor relay designed for industrial automation systems. This factory-grade relay features a coil voltage of 24 V DC and includes 3 normally open (NO) contacts plus 1 normally closed (NC) contact. Engineered for robust performance, the 3RH21311JB40 is suitable for switching auxiliary control circuits and is notably compatible with PLC outputs. Its compact size and integrated diode ensure smooth operation and protection against voltage spikes, making it a preferred choice in complex control panels. The device offers a mounting design that supports rail, snap-on, or threaded installation, accommodating various industrial setups. With IP20 protection and an operating temperature range of -25°C to 55°C, this Siemens relay provides dependable service under demanding conditions.

Key Features of Siemens 3RH21311JB40

  • Coil voltage: 24 V DC, suitable for control applications requiring DC input
  • Contact configuration: 3 normally open (NO) plus 1 normally closed (NC)
  • Contact rating: 1/10 A at 230/690 VAC; 0.15/10 A at 24/600 VDC
  • Compact dimensions: 57.5 mm height, 45 mm width, 73 mm depth
  • Mounting options include rail, snap-on, and threaded for flexible installation
  • Screw terminal connections for secure and easy wiring
  • Integrated diode for coil surge protection
  • Enclosure type: IP20 for dust protection in industrial environments
  • Operational temperature range: -25°C to 55°C ensuring versatility
  • Compliant with IEC standards for positive mechanical operation and safety functions

Technical Specs of 3RH21311JB40

Explore Siemens 3RH21311JB40 specifications for detailed parameters to ensure system compatibility.

Specification Value
Coil Voltage 24 V DC
Contact Form 3NO + 1NC
Contact Rating 1/10 A at 230/690 VAC; 0.15/10 A at 24/600 VDC
Dimensions (HxWxD) 57.5 x 45 x 73 mm
Mounting Type Rail/Snap-On/Threaded
Terminal Type Screw
Enclosure Rating IP20
Operating Temperature -25°C to 55°C
Frame Size S00

Applications / Use Case

This Siemens 3RH21311JB40 is commonly used in industrial automation worldwide. It is ideally suited for switching auxiliary circuits in factory control panels, machine automation, and production line systems. Its ability to reliably handle low current control signals makes it especially valuable in PLC-controlled environments where precise, rapid switching is needed. The integrated diode and robust contact design improve electrical endurance and protect sensitive control components, ensuring uninterrupted operations across complex processes and conveyor or packaging setups.

Price & Availability

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3RH21311JB40

$39.14

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Does it come with a warranty?

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

What is the condition of the product?

All products sold are New & Unused.

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All products are delivered within 2-8 business days depending on our stock location.

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