Industrial Siemens Safety Switch 3RH2911-1HA02 Pressure Switch Transportation Industries

The Siemens 3RH2911-1HA02 is a high-quality auxiliary switch designed for use with contactors and contactor relays. This product is part of the SIRIUS series, known for its reliability and efficiency in industrial applications.

• Type: Auxiliary Switch
• Mounting Position: Front
• Contact Configuration: 2 Normally Closed (NC) contacts
• Electrical Connection: Screw terminal
• Suitability: For contactors 3RT2 and contactor relays 3RH2
• Protection Class: IP20 on the front
• Ambient Temperature:
  • During Operation: -25°C to +60°C
  • During Storage: -55°C to +80°C
• Mechanical Service Life: 10,000,000 operating cycles
• Electrical Endurance: 200,000 operating cycles at AC-15, 230 V
• Contact Reliability: 1 faulty switching per 100 million switching operations (17 V, 1 mA)
• Insulation Voltage: 690 V AC with degree of pollution 3
• Surge Voltage Resistance: 6 kV
• Weight: 0.045 kg

• High Precision: Ensures precise control and reliable operation.
• Robust Construction: Designed for long-term reliability in demanding industrial environments.
• Wide Operating Range: Suitable for a wide range of operating conditions, including different temperatures and voltages.
• Compliance with Standards: Meets international standards for safety and environmental compliance.

The Siemens 3RH2911-1HA02 is suitable for a variety of industrial applications, including:

• Electrical Systems: For precise control and protection in electrical circuits.
• Material Handling Equipment: Such as forklifts and pallet trucks.
• Construction Machinery: Including excavators and loaders.
• Agricultural Equipment: Such as tractors and combines.
• General Industrial Automation: In systems requiring precise control and protection.

• Mounting Method: Snap-on mounting
• Dimensions:
  • Width: 36 mm
  • Height: 37.5 mm
  • Depth: 43.7 mm
• Electrical Connection: Screw-type terminals
• Connectable Conductor Cross-Section:
  • For Auxiliary Contacts: 2x (0.5 ... 2.5 mm²)
  • For AWG Cables: 2x (20 ... 16), 2x (18 ... 14)

• Product Function:
  • Mirror Contact According to IEC 60947-4-1: Yes (with 3RT2)
  • Positively Driven Operation According to IEC 60947-5-1: Yes (with 3RH2)