Siemens 3RT2544-1AP00 Power Contactor 65A, 30kW, 4-Pole, 230V AC, Screw Terminal Original Brand New

Overview

The Siemens 3RT2544-1AP00 Power Contactor is a high-performance, 4-pole switching device engineered for reliable operation in diverse industrial applications, particularly for controlling three-phase motors up to 30 kW at 400 V (AC-3 duty). Part of the SIRIUS 3RT2 series, this contactor offers exceptional durability and a compact Size S3 design. Featuring a 230 V AC coil for standard control voltage integration, it provides main contacts configured as 2 NO (Normally Open) + 2 NC (Normally Closed), and essential integrated auxiliary contacts (1 NO + 1 NC) for interlocking and signaling circuits. The robust screw terminal connection ensures secure and straightforward wiring.

Benefit

• High Load Capacity: Handles up to 65 A and 30 kW at 400 V, suitable for demanding applications.

• Reliable Switching: AC-3 rated contactor ensures long-lasting performance for motors and industrial equipment.

• Versatile Design: 4-pole configuration with 2 NO + 2 NC main contacts and 1 NO + 1 NC auxiliary contact.

• Easy Installation: Screw terminal design enables secure and fast wiring.

• Compact & Durable: S3 size for space-saving installation with Siemens’ proven build quality.

Function and Application

The 3RT2544-1AP00 contactor is primarily used for switching and controlling motors, heaters, lighting systems, and other electrical loads in industrial, commercial, and automation environments. Its specific configuration (4-pole, 2 NO + 2 NC) makes it ideal for applications requiring the simultaneous switching of two independent circuits (e.g., forward/reverse, multi-speed control, or isolating neutral/ground in addition to the phases). It efficiently makes and breaks current to the main load circuit under operational conditions.

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