Siemens SIRIUS 3RT2023-1BN40 Power Contactor 9A, 4kW, 250V DC Coil, 1NO+1NC Aux, Size S0, Screw Terminals Original Brand New

Overview

The Siemens 3RT2023-1BN40 is a high-performance, robust power contactor from the SIRIUS line, engineered for reliable switching of AC motors and other inductive loads. This 3-pole contactor is designed to handle a rated operational current of 9A (AC-3e/AC-3) and a power rating of up to 4 kW at 400V. Its compact Size S0 form factor makes it an ideal solution for space-constrained industrial applications. Featuring a 250V DC operating coil, this unit is perfectly suited for use in direct current control circuits. It comes equipped with one normally open (1 NO) and one normally closed (1 NC) integrated auxiliary contact, providing essential feedback and control functions. The secure and easy-to-use screw terminals ensure a reliable and durable electrical connection.

Key Features & Function

• High-Performance Switching: Reliably switches three-phase AC motors and other resistive or inductive loads.
• Wide Application Range: Suitable for both standard AC-3 and the new AC-3e efficiency-optimized switching categories.
• Compact Design: The Size S0 form factor allows for efficient use of panel space.
• Integrated Auxiliary Contacts: The built-in 1 NO and 1 NC contacts simplify wiring and provide critical control circuit functions without the need for additional accessories.
• Robust & Reliable: Part of the trusted Siemens SIRIUS family, known for its long service life and dependable operation in harsh industrial environments.
• DC Operating Coil: The 250V DC coil is designed for direct current control applications, offering quiet operation and low power consumption.
• Secure Screw Terminals: Provides a strong, vibration-resistant connection for all power and control wiring.
• Easy to Mount: Can be easily mounted on a standard 35 mm DIN rail or secured with screws.

Benefit

• Improved System Reliability: Siemens’ engineering excellence ensures minimal downtime and a long operational lifespan.
• Cost & Space Savings: The integrated auxiliary contacts and compact design reduce the need for separate components and valuable cabinet space.
• Simplified Installation: Screw terminals and a standard mounting format make installation quick and straightforward.
• Energy Efficiency: The new AC-3e rating signifies a more energy-efficient solution for motor control.
• Global Standard Compliance: Meets international standards (IEC, UL, CSA, etc.), making it suitable for global applications.

Technical Specification

• Product Type: Power Contactor
• Product Number: 3RT2023-1BN40
• Rated Operational Current (AC-3e/AC-3): 9 A
• Rated Power (AC-3): 4 kW at 400 V
• Number of Poles: 3
• Operating Coil Voltage: 250 V DC
• Auxiliary Contacts: 1 NO + 1 NC
• Terminal Type: Screw Terminal
• Size: S0
• Manufacturer: Siemens
• Series: SIRIUS

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