3RT1456-2XB46-0LA2

Description

Overview

The Siemens 3RT1456-2XB46-0LA2 is a high-performance power contactor designed for demanding industrial and railway applications. It offers reliable switching of AC-1 loads up to 275 A at 690 V. The 3-pole configuration ensures robust operation in complex circuits, while the electronic auxiliary contacts (2 NO + 2 NC) allow seamless integration with PLC control systems. Ideal for both main and auxiliary circuits, it guarantees superior performance with spring-loaded terminals for secure connections.

Key Benefit

• High Current Capacity: Handles AC-1 loads up to 275 A at 690 V, suitable for heavy-duty applications.

• PLC Compatible: Supports 24–110 V DC PLC inputs, enabling precise automation control.

• Reliable Auxiliary Contacts: 2 NO + 2 NC electronic contacts for flexible control configurations.

• Durable and Safe: Spring-loaded terminals ensure secure connections under extended rated conditions.

• Railway Standard Compliant: Meets IEC 60077, suitable for railway and industrial environments.

• Versatile Integration: Supports busbar main circuits, ideal for large-scale electrical installations.

Functions & Features

• Main Circuit: Busbar connection for AC-1 load switching.

• Control & Auxiliary Circuit: Spring-loaded terminals for secure connections.

• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC).

• Rated Conditions: Extended rating for harsh operational environments.

• Drive Type: Electronic, with PLC input voltage range 24–110 V DC.

• Compliance: IEC 60077 standard for railway electrical systems.

Technical Specification

• Rated Operational Current (AC-1): 275 A

• Rated Operational Voltage: 690 V AC

• Number of Poles: 3

• Control Voltage (Uc): 24 V DC (0.7–1.25)

• Auxiliary Contacts: 2 NO + 2 NC

• Terminal Type: Spring-loaded

• Standards: IEC 60077

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