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Siemens 3RH2122-1BB40

Siemens 3RH2122-1BB40

SKU: 3RH2122-1BB40
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Siemens 3RH2122-1BB40 | Auxiliary Contactor – 2NO + 2NC, 24V DC Coil, Size S00, Screw Terminals, IP20

Overview

The Siemens 3RH2122-1BB40 is a 4-pole auxiliary contactor from the SIRIUS 3RH2 series. It features two normally open (2NO) and two normally closed (2NC) contacts and operates with a 24V DC coil. Designed for use in control circuits, it fits into compact panels and is ideal for signal switching, interlocking, and feedback circuits in industrial automation.

Key Features

  • Contact Configuration: 2 NO + 2 NC

  • Coil Voltage: 24V DC

  • Size: S00 (compact)

  • Terminals: Screw connection

  • Mounting: DIN rail

  • Protection Rating: IP20

  • Operating Position: Any

Technical Specifications

  • Part Number: 3RH2122-1BB40

  • Series: SIRIUS 3RH2

  • Rated Thermal Current (Ith): 10 A

  • Rated Operating Voltage: Up to 690V AC

  • Mechanical Life: Up to 30 million operations

  • Electrical Life: Up to 1 million operations

  • Ambient Temperature Range: –25°C to +60°C

  • Dimensions (W x H x D): Approx. 45 x 58 x 73 mm

  • Weight: Approx. 180 g

  • Certifications: CE, UL, cULus

Applications

  • Signal switching in control panels

  • Interlocking and feedback circuits

  • Industrial machines and motor controls

  • Expansion of main contactor functionality

Why Choose the 3RH2122-1BB40?

  • Flexible Contact Setup: Dual NO and NC contacts for versatile circuit logic

  • Compact Format: Fits standard DIN rail systems with minimal footprint

  • Reliable Coil Operation: Stable performance at 24V DC

  • High Durability: Long mechanical and electrical service life

  • Siemens Quality: Trusted performance in industrial environments

Order Now

The Siemens 3RH2122-1BB40 auxiliary contactor is available and ready for international shipping. 

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Siemens 3RH2122-1BB40 | Auxiliary Contactor – 2NO + 2NC, 24V DC Coil, Size S00, Screw Terminals, IP20

Overview

The Siemens 3RH2122-1BB40 is a 4-pole auxiliary contactor from the SIRIUS 3RH2 series. It features two normally open (2NO) and two normally closed (2NC) contacts and operates with a 24V DC coil. Designed for use in control circuits, it fits into compact panels and is ideal for signal switching, interlocking, and feedback circuits in industrial automation.

Key Features

  • Contact Configuration: 2 NO + 2 NC

  • Coil Voltage: 24V DC

  • Size: S00 (compact)

  • Terminals: Screw connection

  • Mounting: DIN rail

  • Protection Rating: IP20

  • Operating Position: Any

Technical Specifications

  • Part Number: 3RH2122-1BB40

  • Series: SIRIUS 3RH2

  • Rated Thermal Current (Ith): 10 A

  • Rated Operating Voltage: Up to 690V AC

  • Mechanical Life: Up to 30 million operations

  • Electrical Life: Up to 1 million operations

  • Ambient Temperature Range: –25°C to +60°C

  • Dimensions (W x H x D): Approx. 45 x 58 x 73 mm

  • Weight: Approx. 180 g

  • Certifications: CE, UL, cULus

Applications

  • Signal switching in control panels

  • Interlocking and feedback circuits

  • Industrial machines and motor controls

  • Expansion of main contactor functionality

Why Choose the 3RH2122-1BB40?

  • Flexible Contact Setup: Dual NO and NC contacts for versatile circuit logic

  • Compact Format: Fits standard DIN rail systems with minimal footprint

  • Reliable Coil Operation: Stable performance at 24V DC

  • High Durability: Long mechanical and electrical service life

  • Siemens Quality: Trusted performance in industrial environments

Order Now

The Siemens 3RH2122-1BB40 auxiliary contactor is available and ready for international shipping. 

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Siemens 3RH2122-1BB40

Siemens 3RH2122-1BB40

$130.00
Add to wishlist
Siemens 3RH2122-1BB40

Siemens 3RH2122-1BB40

Your Price:
$130.00
Item Added to Your Cart
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