Siemens 3RT2045-1XB40-0LA2 Traction Contactor 80A, 37kW / 400V, 3-Pole, 24V DC Original Brand New

Overview

The Siemens 3RT2045-1XB40-0LA2 is a high-performance traction contactor designed for industrial and rail applications. Engineered to deliver reliable switching under heavy loads, this 3-pole contactor supports AC-3e/AC-3 operation with a current rating of 80 A and a power capacity of 37 kW at 400 V. Its solid-state operating mechanism ensures precise and rapid switching, while the integrated varistor provides enhanced surge protection. Built with screw terminals and auxiliary contacts (1 NO + 1 NC), it guarantees secure connectivity and flexible control options. The S3 frame size offers a compact and durable design suitable for demanding operational environments.

Key Features & Function

• Type: Traction contactor

• Operating Mode: AC-3e / AC-3

• Current Rating: 80 A

• Power Capacity: 37 kW / 400 V

• Poles: 3-pole configuration

• Control Voltage: 24 V DC

• Operating Range: 0.7–1.25 * Uc

• Mechanism: Solid-state operating mechanism for reliable switching

• Protection: Integrated varistor for surge protection

• Auxiliary Contacts: 1 NO + 1 NC for enhanced control

• Terminals: Screw type for secure connections

• Frame Size: S3

• Applications: Suitable for traction, industrial, and heavy machinery operations

Benefit

• Reliable Performance: Handles heavy loads and frequent switching without compromising safety.

• Compact Design: Space-saving S3 frame ideal for industrial setups.

• Enhanced Protection: Integrated varistor protects equipment from voltage surges.

• Versatile Control: 1 NO + 1 NC auxiliary contacts enable flexible circuit integration.

• Durable Construction: Solid-state operating mechanism ensures long-lasting, maintenance-free operation.

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