Overview
The Siemens 3RT2015-2VB42 is a high-performance SIRIUS 3RT2 series power contactor designed for reliable motor control and automation applications. This compact and robust component is an essential part of any industrial setup, offering efficient switching of three-phase loads. Featuring a 24V DC coil with an integrated diode for surge suppression, this contactor ensures stable and reliable operation, even in challenging environments. The innovative spring-loaded terminals make for quick, secure, and vibration-resistant wiring, significantly reducing installation time and maintenance efforts.
Key Features
- Product Number: 3RT2015-2VB42
- Series: Siemens SIRIUS 3RT2
- Contactor Type: Power Contactor
- Operational Current (AC-3e/AC-3): 7 A
- Operational Power (AC-3e/AC-3): 3 kW at 400 V
- Number of Poles: 3-pole
- Control Supply Voltage: 24 V DC
- Voltage Range: 0.85 to 1.85 * Uc (control supply voltage)
- Coil Protection: Integrated diode for effective surge suppression
- Auxiliary Contacts: 1 normally closed (NC)
- Terminal Type: Spring-loaded terminals for fast and reliable wiring
- Frame Size: S00
- Auxiliary Switch: No auxiliary switch can be added (fixed configuration)
Benefit
- Enhanced Reliability: The integrated diode protects the control circuitry from voltage spikes, ensuring a long service life and dependable performance.
- Reduced Installation Time: Spring-loaded terminals eliminate the need for screw tightening, allowing for quick, tool-free, and error-proof wiring.
- Vibration Resistance: The permanent spring force of the terminals provides a secure connection that is highly resistant to vibrations and shocks, making it ideal for industrial machinery.
- Space-Saving Design: The compact S00 frame size allows for high-density mounting in control cabinets, optimizing space and reducing overall panel size.
- Global Standard: As part of the Siemens SIRIUS family, this contactor adheres to international standards (AC-3e/AC-3), ensuring compatibility and easy integration into existing systems.
Function
The Siemens 3RT2015-2VB42 power contactor is primarily used for switching and controlling motors and other resistive or inductive loads. When the 24V DC coil is energized, the main contacts close, allowing power to flow to the connected equipment. The single NC auxiliary contact can be used for feedback, interlocks, or signaling purposes within the control circuit. This contactor is a crucial component for:
- Starting and stopping electric motors.
- Controlling lighting circuits.
- Managing heating elements.
- Automated machinery and process control systems.
Technical Specification
- Rated Insulation Voltage: 690 V
- Degree of Protection: IP20 (front side)
- Operating Temperature: -25 to +60 °C
- Mounting: Snap-on mounting on standard mounting rail
- Weight: Approximately 0.2 kg
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