Siemens 3RT2545-1AP00 Power Contactor AC-3, 80A, 37kW / 400V, 4-Pole, 230V AC, 50Hz Original Brand New

Overview

The Siemens SIRIUS 3RT2545-1AP00 is a robust, 4-pole power contactor designed for switching motors and non-inductive loads up to 80 A (AC-3) and an operational power of 37 kW at 400 V. Part of the proven SIRIUS 3RT25 series, this contactor is engineered for demanding industrial control applications. It features a reliable 230 V AC, 50 Hz coil for actuation and is built in the compact Size S3 frame.

This specialized 4-pole configuration includes 2 Normally Open (NO) and 2 Normally Closed (NC) main contacts, making it ideal for unique switching duties like changing the polarity of hoisting gear motors or switching two separate loads. For control circuit flexibility, it comes with 1 NO + 1 NC integrated auxiliary contacts and uses secure screw terminals for all connections.

Key Benefit

• High Load Capacity: Supports up to 80 A and motors up to 37 kW at 400 V, making it ideal for heavy-duty applications.

• Reliable Switching: AC-3 rated for motor operations ensures smooth and safe electrical switching.

• Versatile Contact Configuration: Main contacts include 2 NO + 2 NC, auxiliary contacts 1 NO + 1 NC, offering flexible control options.

• Durable and Safe: Screw terminal connections enhance safety and ensure stable, long-lasting operation.

• Ease of Installation: Compact S3 size allows for easy integration into existing control panels.

Function

• Motor Control: Efficiently switches motors on and off in AC-3 applications.

• Load Switching: Handles high-current loads with minimal wear on contacts.

• Auxiliary Control: Supports signaling and auxiliary circuits through dedicated auxiliary contacts.

• Industrial Applications: Suitable for manufacturing plants, automation systems, and electrical panels requiring robust switching devices.

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