Siemens 3RT1056-6AP38-0PA5 Power Contactor, 185A, 90kW, AC/DC Coil, Busbar Main Connection Original Brand New

Overview

The Siemens 3RT1056-6AP38-0PA5 is a high-performance power contactor designed for reliable and efficient switching of electrical loads up to 185 A. This 3-pole contactor is suitable for a wide range of applications, including motor control and other demanding industrial processes. It features a flexible AC/DC universal control voltage (Uc: 220-240 V), making it compatible with various control systems.

The conventional drive and solid-state compatible auxiliary contacts (2 NO + 2 NC) provide versatile and dependable operation. With busbar connections for the main circuit and screw terminals for control and auxiliary circuits, installation is straightforward and secure.

Key Features & Benefit

• High-Current Capacity: Rated for AC-3e/AC-3 operation up to 185 A and 90 kW at 400 V, providing robust performance for heavy-duty applications.
• Flexible Control Voltage: The universal 220-240 V AC/DC control voltage simplifies inventory and ensures compatibility with diverse power supplies.
• Reliable Auxiliary Contacts: Equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts that are solid-state compatible, offering enhanced functionality for interlocking and signaling.
• Durable & Compact Design: Built to the high standards of Siemens SIRIUS products, ensuring long-term reliability in harsh industrial environments. Its compact form factor helps save valuable panel space.
• Efficient Connections: Busbar main circuit connections allow for quick and secure power distribution, while screw terminals on the control and auxiliary circuits provide a reliable connection for control wiring.
• Compliance & Standards: Adheres to international standards such as IEC 60947, guaranteeing safety and performance.

Function

The Siemens 3RT1056-6AP38-0PA5 power contactor is used to remotely switch and control electric motors, heating elements, lighting, and other high-current loads. It is a crucial component in control panels, motor control centers (MCCs), and automation systems where reliable on/off switching is required. The integrated auxiliary contacts allow for feedback to programmable logic controllers (PLCs) or other control devices, enabling complex automation sequences.

Technical Specification

• Product Type: Power Contactor
• Product Number: 3RT1056-6AP38-0PA5
• Rated Current (AC-3e/AC-3): 185 A
• Rated Power (AC-3): 90 kW @ 400 V
• Poles: 3-pole
• Control Voltage (Uc): 220-240 V AC/DC
• Auxiliary Contacts: 2 NO + 2 NC, solid-state compatible
• Main Circuit Connection: Busbar
• Control & Auxiliary Circuit Connection: Screw Terminal
• Drive Type: Conventional

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