3RT1055-2AR36

Description

Overview

The Siemens 3RT1055-2AR36 power contactor is engineered for industrial and commercial electrical systems requiring reliable switching of AC and DC loads. Rated for AC-3e/AC-3 applications, this 3-pole contactor handles up to 150 A and 75 kW at 400 V AC, ensuring robust performance for heavy-duty motors and machinery. With integrated auxiliary contacts (2 NO + 2 NC) and a conventional drive system, it supports both automated control and safety functions efficiently. The spring-loaded terminal design simplifies wiring and improves connection reliability.

Key Features & Function

• High Load Capacity: 150 A nominal current, suitable for heavy industrial loads.

• AC/DC Compatibility: Operates at 400 V AC (50-60 Hz) and DC up to 480 V.

• Three-Pole Design: Ensures reliable switching of three-phase circuits.

• Auxiliary Contacts: 2 NO + 2 NC for additional control and signaling options.

• Conventional Drive: Standard operation compatible with most control systems.

• Busbar Main Circuit: Facilitates efficient power distribution and connectivity.

• Spring-Loaded Terminal: Simplifies wiring and improves electrical contact reliability.

• Durable Construction: Built for industrial environments, ensuring long service life.

Benefit

• Enhances operational reliability in motor control and industrial automation.

• Reduces downtime with robust switching performance and auxiliary contacts for control integration.

• Easy installation and maintenance thanks to busbar compatibility and spring-loaded terminals.

• Supports a wide voltage range for flexible application in AC and DC circuits.

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