Siemens SIRIUS 3RT7045-1AH20 Contactor 3-Pole, AC-3 80A, 48V AC Coil, Size S3, Screw Terminal Original Brand New

Overview: Siemens 3RT7045-1AH20 Contactor

The Siemens 3RT7045-1AH20 is a high-performance power contactor from the trusted SIRIUS 3RT7 series, engineered for reliable switching and control of electric motors. This 3-pole contactor is rated for an AC-3 current of 80A at 400V, with a corresponding motor power of 37 kW, making it ideal for a wide range of industrial applications. Its compact Size S3 design and robust screw terminals ensure a secure and easy installation process. The 48V AC, 50/60 Hz coil provides flexible and efficient control, while its durable construction guarantees a long operational life.

Key Benefit

• Exceptional Reliability: Part of the proven Siemens SIRIUS family, this contactor offers long-term, dependable performance for critical motor control tasks.
• Versatile Application: Suitable for switching AC motors with a power rating of up to 37 kW at 400V, catering to various industrial machinery and systems.
• Ease of Installation: Featuring standard screw terminals for straightforward and secure wiring, reducing installation time and effort.
• Space-Saving Design: The compact Size S3 form factor allows for efficient use of space within control cabinets and electrical panels.
• Global Compatibility: Designed to operate with 48V AC, 50/60 Hz control voltage, making it suitable for international use.

Technical Function

• Switching Operation: Serves as a primary switch for turning electric motors and other loads ON and OFF.
• Motor Protection: Can be combined with an overload relay to provide comprehensive protection for the motor against overcurrent conditions.
• Remote Control: The 48V AC control coil enables the contactor to be operated remotely via a control signal from a PLC, push button, or other control devices.
• Auxiliary Contacts: Compatible with a range of auxiliary contact blocks for signaling the status of the main circuit (e.g., ON/OFF).

Application

• Pumps and Fans
• Conveyor Systems
• HVAC and Refrigeration
• Machine Tools
• General Industrial Motor Control

For more high-quality industrial automation products, including the full range of Siemens SIRIUS and other electrical components, please visit our website at Turll.