Siemens 3RT2046-3XF44-0LA2 Traction Contactor 95A, 45kW/400V, 3-Pole, 110V DC with Integrated Varistor Original Brand New

Overview

The Siemens 3RT2046-3XF44-0LA2 is a high-performance traction contactor designed for demanding industrial and railway applications. Engineered with Siemens’ superior reliability and innovative solid-state operating technology, this 3-pole contactor ensures consistent operation, enhanced safety, and long service life. Ideal for use in AC-3e and AC-3 duty categories, it offers exceptional control for motors up to 45 kW at 400V.

Key Features & Specification

• Rated Operational Current (Ie): 95 A

• Rated Power: 45 kW at 400 V (AC-3)

• Poles: 3

• Control Voltage: 110 V DC (0.7–1.25 × Uc)

• Operating Mechanism: Solid-state

• Integrated Protection: Built-in varistor for voltage surge suppression

• Auxiliary Contacts: 2 NO + 2 NC

• Main Circuit Connection: Screw terminals

• Control & Auxiliary Circuit: Spring-loaded terminals

• Frame Size: S3

• Auxiliary Switch: Removable for flexible configuration

• Mounting Type: Panel / DIN rail compatible

Benefit

• High Efficiency: Solid-state operation reduces wear and ensures consistent switching performance.
• Enhanced Protection: Integrated varistor minimizes surge voltage impact, improving reliability and lifespan.
• Easy Installation: Screw terminals for main circuits and spring terminals for control circuits simplify setup.
• Flexible & Safe Design: Removable auxiliary switch and multiple contact combinations support versatile control setups.
• Durable Construction: Designed for heavy-duty traction and industrial environments.

Function & Application

The Siemens 3RT2046-3XF44-0LA2 contactor is optimized for traction systems, heavy machinery, industrial automation, and motor control applications. It ensures reliable switching of AC motors under both normal and demanding load conditions. Thanks to its solid-state control mechanism and integrated surge protection, it is especially suitable for environments where precision, safety, and endurance are critical.

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