Siemens 3RT5045-1AC20 Contactor AC 24V, 3-Pole, 37 kW, Size S3, Screw Terminal Original Brand New

Overview

The Siemens 3RT5045-1AC20 Contactor is designed for efficient switching in AC circuits. With a robust 3-pole configuration and a power rating of 37 kW at 400 V, it ensures reliable operation in industrial applications. Its size S3 screw terminal design allows for easy installation and secure electrical connections, making it ideal for automation systems, motors, and machinery. Compatible with AC 24 V 50/60 Hz control circuits, it delivers exceptional durability and operational stability.

Key Features & Benefit

• High Performance: AC3 37 kW, 400 V, 3-pole contactor suitable for heavy industrial loads.

• Universal Compatibility: Works with AC 24 V 50/60 Hz control circuits.

• Easy Installation: Screw terminals on size S3 housing for secure and fast connections.

• Durability: Engineered by Siemens for long-lasting reliability and minimal maintenance.

• Industrial Applications: Ideal for motors, machinery, and automation control systems.

Function & Application

The 3RT5045-1AC20 contactor is primarily used for:

1. Motor Switching: Starting, stopping, and reversing three-phase asynchronous motors in applications like pumps, fans, compressors, and conveyors (up to 37kW).

2. Load Switching: Controlling resistive, capacitive, and inductive loads in general machinery and facility management.

3. Standard Switching: Forming part of direct-on-line (DOL) or star-delta (Y-$\Delta$) starter configurations.

4. Integration: Easily combined with overload relays and circuit breakers from the SIRIUS portfolio to form complete motor feeder solutions.

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