Siemens 3RT2045-3XF44-0LA2 Traction Contactor 80A, 37kW, 3-Pole, AC-3/AC-3e Original Brand New

Overview

The Siemens 3RT2045-3XF44-0LA2 traction contactor is a robust and reliable solution for industrial and traction applications. Designed for AC-3 and AC-3e utilization, it can handle currents up to 80 A and power ratings of 37 kW at 400 V. This 3-pole contactor offers precision switching with a solid-state operating mechanism and integrated varistor to protect against voltage spikes.

Engineered for durability, it features both screw terminals for the main circuit and spring-loaded terminals for control and auxiliary circuits. Its modular design includes a removable auxiliary switch, making maintenance and integration seamless.

Key Features & Function

• Rated Current & Power: 80 A, 37 kW / 400 V

• Poles: 3-pole design for reliable AC-3/AC-3e operation

• Control Voltage: 110 V DC

• Operating Mechanism: Solid-state for enhanced reliability

• Protection: Integrated varistor for voltage spike protection

• Auxiliary Contacts: 1 NO + 1 NC for signaling and control circuits

• Terminals: Screw terminal (main circuit) & spring-loaded (control circuit)

• Frame Size: S3 for standardized installation

• Maintenance: Removable auxiliary switch for easy servicing

Benefit

1. High Reliability: Solid-state mechanism ensures smooth and consistent switching.

2. Versatile Application: Ideal for traction and industrial AC-3/AC-3e loads.

3. Enhanced Safety: Integrated varistor protects against voltage surges.

4. Easy Maintenance: Removable auxiliary switch simplifies inspection and replacement.

5. Flexible Installation: Screw and spring-loaded terminals provide secure and efficient wiring.

Application

• Industrial traction systems

• AC motor control circuits

• Power distribution in industrial setups

• Heavy-duty machinery requiring robust contactors

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