Siemens 3RT1056-2AT36 Power Contactor, 185A, 90kW, 3-Pole, 575-600V DC Coil, Industrial Motor Control Original Brand New

Overview

The Siemens 3RT1056-2AT36 is a high-performance power contactor engineered for demanding industrial applications. Designed to handle AC-3 and AC-3e operations, this 3-pole contactor supports motor ratings up to 90 kW at 400V and operates efficiently with a DC control voltage of 575-600V. Ideal for motor starters and switching systems, this unit ensures consistent performance and long-term reliability in high-load environments.

Key Benefit

• High Power Capability: Supports up to 185A in AC-3/AC-3e duty—perfect for industrial motors and heavy machinery.

• Reliable Switching: Rated for 90 kW at 400V, ensuring stable and efficient operation.

• Compact & Durable: Built for longevity in demanding electrical installations.

• Versatile Control Options: 2 NO + 2 NC auxiliary contacts provide flexible signaling and control integration.

• Safe & Easy Installation: Equipped with a busbar main circuit and spring-loaded terminals for secure and quick wiring.

Key Features

• Rated Current (AC-3/AC-3e): 185 A

• Rated Power: 90 kW at 400V AC

• Control Voltage (Uc): 575–600 V DC

• Frequency Range: 50–60 Hz

• Poles: 3-Pole

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

• Main Circuit Connection: Busbar

• Control Circuit Terminal: Spring-loaded

• Drive Type: Conventional

• Mounting Style: Panel or DIN rail compatible

Application

• Motor starters and protection systems

• HVAC systems

• Conveyor systems

• Industrial automation panels

• Pump and fan control

• Power distribution panels

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