Siemens 3RT2045-1AL00 Power Contactor 3-Pole, 80A, AC-3, 37kW / 400V, 1 NO + 1 NC Original Brand New

Overview

The Siemens 3RT2045-1AL00 Power Contactor is a high-performance, three-pole device from the renowned SIRIUS series, specifically engineered for switching motors and other resistive loads up to 80 A and 37 kW (at 400 V). Designed for robust industrial applications, this Size S3 contactor ensures reliable motor control across various operating conditions (AC-3e/AC-3). Its precise specifications, including a 125 V AC, 50 Hz coil, make it ideal for integration into standard control circuits.

Key Features & Function

• High Load Capacity: 80 A rated current, suitable for 37 kW / 400 V AC-3 applications

• Reliable Switching: 3-pole design ensures safe and efficient operation

• Auxiliary Contacts: 1 NO + 1 NC contacts for flexible control circuit configurations

• Universal AC Operation: Compatible with 125 V AC, 50 Hz supply

• Durable Construction: Screw terminal connections provide secure and long-lasting contact

• Compact Design: Size S3 allows easy integration into various industrial control setups

Benefit

• Ensures reliable motor start and stop operations

• Reduces downtime with durable and high-performance switching

• Simplifies electrical installation with screw terminals

• Provides flexibility with auxiliary contact options for additional control

• Optimized for energy-efficient and safe industrial AC applications

Application

The 3RT2045-1AL00 serves as the primary switching device in electrical circuits. Its core function is to safely and remotely start and stop three-phase motors. It is a crucial component in:

• Pump and Fan Control Systems
• Conveyor Systems
• Machine Tools and Process Equipment
• General Industrial Motor Loads requiring reliable, heavy-duty switching.

For a complete solution and to explore our full range of industrial control gear, including relays, circuit breakers, and more Siemens SIRIUS products, visit turll today!