Siemens 3RT1055-6AU36 Power Contactor AC-3e/AC-3, 150A, 75kW, 240-277V UC Original Brand New

Overview

The Siemens 3RT1055-6AU36 is a robust and reliable power contactor designed for demanding industrial applications. This 3-pole contactor is engineered to handle a high current rating of 150A and a power output of up to 75 kW at 400 V AC, making it ideal for controlling large motors and resistive loads. Its versatile control voltage range of 240-277 V for both AC and DC applications simplifies inventory and wiring. The integrated 2 NO + 2 NC auxiliary contacts provide enhanced flexibility for control circuits and signaling. Featuring a conventional main circuit with busbar connection and screw terminals for control and auxiliary circuits, this contactor offers secure and efficient wiring.

Key Features & Specification

• Product Number: 3RT1055-6AU36
• Contactor Type: Power Contactor
• Poles: 3-pole
• Current Rating: 150 A
• Power Rating: 75 kW @ 400 V
• Operating Voltage: AC (50-60 Hz) / DC
• Control Supply Voltage (Uc): 240-277 V
• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
• Main Circuit Connection: Busbar
• Control/Auxiliary Circuit Connection: Screw Terminal
• Drive Type: Conventional

Benefit

• High Performance: With a 150A current rating and 75kW power capacity, this contactor is built to handle heavy-duty motor and load control applications with exceptional reliability.
• Flexible Control: The wide control voltage range of 240-277 V (AC/DC) reduces the need for multiple coil types, simplifying procurement and maintenance.
• Enhanced Control Functionality: The built-in 2NO + 2NC auxiliary contacts save space and wiring time by eliminating the need for separate auxiliary contact blocks for signaling and interlocking.
• Secure & Efficient Wiring: The busbar main circuit connection ensures a robust power link, while the familiar screw terminals for control circuits provide a secure and straightforward wiring process.
• Proven Reliability: As part of the Siemens SIRIUS 3RT series, this contactor is a testament to German engineering and quality, ensuring long-term performance in industrial environments.

Function & Application

The Siemens 3RT1055-6AU36 power contactor is primarily used for the switching of motors and electrical loads. Its common applications include:

• Controlling large three-phase AC motors in industrial machinery.
• Switching of resistive loads, such as heaters and furnaces.
• Integration into motor control centers (MCCs) and distribution panels.
• Use in automated systems for starting and stopping industrial equipment.
• Providing a reliable switching mechanism in conveyor systems, pumps, fans, and compressors.

For more our products visit turll