Siemens Contactor relay, screw, size S00, 2NO+2NC, 24VDC

Product Overview

This auxiliary contactor relay features a 4-pole configuration with 2 normally open (NO) and 2 normally closed (NC) contacts, operating on 24V DC power supply. Designed in the compact S00 frame size with reliable screw terminal connections, this unit is engineered for switching control signals in control circuits with exceptional reliability and performance in DC applications.

Key Features & Benefits:

Robust Construction & Reliability

• Climate-proof design ensures reliable operation in demanding environments
• High degree of contact stability at low voltages and currents
• Suitable for use with solid-state circuits with currents ≥ 1 mA at voltage ≥ 17V
• Standard-compliant terminal designations for easy integration
• IP20 ingress protection rating for touch-proof operation
• Surge voltage resistance of 6kV to withstand overloads

Electrical Specifications

• Coil Voltage: 24V DC
• Contact Configuration: 2 NO + 2 NC (4-pole)
• Rated operation current Ie at 400V: 3 Ampere
• Current rating: 10A
• Maximum voltage rating: 690V AC
• Contact reliability: One faulty switching operation per 100 million cycles

Physical Characteristics

• Frame Size: S00
• Net Weight: 0.271 kg
• Packaging Dimensions: 50.00 x 61.50 x 77.50 mm
• Terminal Type: Screw connection
• Operating Temperature Range: -25°C to +60°C
• Country of Origin: Germany

Superior Performance Features

• Mechanical service life of 30 million switching cycles for long-lasting performance
• Can rotate up to 180° on vertical surface for enhanced installation flexibility
• Compatible with standard 35mm DIN rail mounting using screws or snap-on clips
• Integrated fuse link prevents damage in the event of short circuits

Versatile Application Options

• Enables simultaneous switching of several auxiliary circuits through multiplication of outputs
• Expandable by up to four contacts through use of snap-on auxiliary switch blocks
• Compatible with RC elements, varistors, diodes or diode assemblies for damping opening surges in the coil
• Ideal for controlling high-current motors and lighting systems
• Perfect for installations subject to considerable control voltage variations and high ambient temperatures

Compliance & Standards

• RoHS compliant since October 1, 2009
• Meets IEC 60947-1, EN 60947-1, IEC 60947-4-1, EN 60947-4-1, IEC 60947-5-1, EN 60947-5-1 standards
• UL, CSA, CE, CCC certified
• REACH Regulation: No SVHC (Substances of Very High Concern)

Product Information

• Article Number: 3RH2122-1BB40
• EAN: 4011209786721
• UPC: 662643903409

Download existing graphical data for this product:

• Product Datasheet PDF
• Technical Documentation (TME)
• Complete Product Data (Siemens Industry Mall)