Overview
The Siemens 3RT2045-3KB40-0VT0 Power Contactor is a high-performance electrical component designed for industrial control systems. With a robust design and reliable functionality, it is suitable for applications requiring an AC-3e or AC-3 load type. This power contactor can handle up to 80 A and support 37 kW at 400 V. It comes with integrated features like an auxiliary contact (1 NO + 1 NC), a built-in varistor for surge protection, and spring-loaded terminals for easier installation. Its frame size S3 and compatibility with PLC outputs make it ideal for automated control systems and industrial environments.
Key Benefit
-
High Power Capacity: Handles up to 80 A and 37 kW at 400 V, making it suitable for heavy-duty industrial applications.
-
Integrated Varistor: Protects the circuit from voltage spikes and ensures long-term reliability.
-
Auxiliary Contacts: Includes 1 NO (Normally Open) and 1 NC (Normally Closed) for flexible control options.
-
Simple Installation: Features screw terminals for the main circuit and spring-loaded terminals for the control and auxiliary circuits, reducing wiring time.
-
PLC Compatibility: Works seamlessly with PLC outputs, offering flexibility in automation systems.
-
Frame Size S3: Designed to fit standard industrial panels and control cabinets.
Functionality & Features
-
Contact Type: 3-Pole contactor, suitable for both AC-3e and AC-3 switching applications.
-
Voltage Rating: Operates at 24 V DC control voltage, suitable for use in systems with low-voltage controls.
-
Current Capacity: Handles up to 80 A of current at a 400 V operating voltage.
-
Auxiliary Contacts: 1 Normally Open (NO) contact and 1 Normally Closed (NC) contact to control external circuits.
-
Surge Protection: Built-in varistor ensures protection from power surges and voltage spikes, safeguarding sensitive equipment.
-
Connection Type: The main circuit uses screw terminals, while control and auxiliary circuits employ spring-loaded terminals for secure and simple wiring.
For more products like the Siemens 3RT2045-3KB40-0VT0 power contactor, explore our full range of industrial components at turll today.













Reviews
There are no reviews yet.