Siemens SIRIUS 3RV2 Auxiliary Switch 3RV2901-2A Side-Mountable, 2 NO + 2 NC Contacts, Screw Terminals

The Siemens SIRIUS 3RV2 auxiliary switch 3RV2901-2A is a side-mountable accessory designed for use with Siemens 3RV2 motor starter protectors and circuit breakers. It provides additional signaling and control functions by monitoring the main device's switching status. With 2 normally open (NO) and 2 normally closed (NC) contacts, this auxiliary switch offers flexibility for various automation and industrial control applications. Its robust construction ensures reliable performance in demanding environments.

Advantages

• Side-mountable design for easy integration with Siemens 3RV2 devices
• 4 contacts (2 NO + 2 NC) for versatile control and signaling
• High electrical endurance of 10 million switching cycles
• Wide operating temperature range from -25 to +60 °C
• Screw terminals for secure and simple wiring

Suitable for

• Industrial automation and control panels
• Motor control centers (MCC)
• Machine building and plant engineering
• Power distribution systems

Key specifications

• Product Type: Auxiliary Switch
• Series: SIRIUS 3RV2
• Mounting Position: Side
• Contact Configuration: 2 NO + 2 NC
• Number of Contacts: 4
• Rated Insulation Voltage (Ui): 690 V
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Rated Operational Current (AC-15, 230V): 6 A
• Rated Operational Current (AC-15, 400V): 3 A
• Rated Operational Current (DC-13, 24V): 1 A
• Terminal Type: Screw terminals
• Wire Cross-section (solid): 0.5 - 2.5 mm²
• Wire Cross-section (fine-strand with core end sleeve): 0.5 - 1.5 mm²
• Operating Temperature: -25 to +60 °C
• Degree of Protection: IP20
• Electrical Endurance: 10 million switching cycles
• Mechanical Endurance: 30 million switching cycles
• Compatibility: For Siemens 3RV2 Motor Starter/Circuit Breaker
• Standards: IEC 60947-5-1, EN 60947-5-1

Recommendations

This auxiliary switch is an ideal accessory for expanding the functionality of Siemens 3RV2 motor starters and circuit breakers. Ensure proper installation and wiring according to the manufacturer's guidelines for optimal performance and safety.