3RT1456-6AS36

Description

Overview

The Siemens 3RT1456-6AS36 is a high-performance power contactor engineered for reliable switching of AC and DC loads. Designed for industrial and commercial applications, it ensures seamless operation under demanding electrical conditions. Its robust 3-pole construction, high current capacity, and versatile auxiliary contacts make it ideal for automation and control systems.

Benefit

• High Reliability: Supports AC-1 loads up to 275 A and 690 V, ensuring consistent performance.

• Versatile Operation: Compatible with both AC and DC drives, covering 500-550 V applications.

• Robust Design: 3-pole configuration and busbar main circuit enhance electrical durability.

• Enhanced Control: Includes conventional auxiliary contacts (2 NO + 2 NC) for flexible circuit integration.

• Easy Installation: Screw terminals for control and auxiliary circuits simplify wiring.

• Industrial Grade: Suitable for high-demand environments with temperature ratings up to 40°C.

Function

• Switching and controlling high-power electrical loads in industrial circuits.

• Integration into automation and motor control systems.

• Providing auxiliary contact signals for monitoring and control purposes.

• Ensuring safe and stable electrical operation under varying AC/DC supply conditions.

Technical Specification

• Model Number: Siemens 3RT1456-6AS36

• Type: Power Contactor AC-1

• Current Rating: 275 A

• Voltage Rating: 690 V AC / 500-550 V AC/DC

• Poles: 3

• Auxiliary Contacts: 2 NO + 2 NC

• Temperature Rating: 40 °C

• Main Circuit Connection: Busbar

• Control & Auxiliary Circuit Connection: Screw Terminal

• Frequency: 50-60 Hz

Application

This 275A Siemens power contactor is essential in:

• Controlling large bank heating systems and electric furnaces.

• Switching resistance loads in HVAC and climate control systems.

• General high-current power distribution and isolation in industrial panels.

• Acting as a main switching element in power supply units.

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