3RT2046-1KB40-1AA0

Description

Overview

The Siemens 3RT2046-1KB40-1AA0 is a high-performance power contactor from the renowned Siemens SIRIUS series, engineered for industrial motor control and automation applications. With its robust design and integrated varistor, it provides superior switching performance, protection, and reliability. Designed for AC-3 and AC-3e applications, it ensures safe operation of electric motors and systems up to 45 kW / 400 V.

Key Features & Specification

• Model Number: 3RT2046-1KB40-1AA0

• Type: Power Contactor

• Rated Operational Current (Ie): 95 A

• Motor Power Rating: 45 kW at 400 V (AC-3 / AC-3e duty)

• Poles: 3-Pole

• Control Voltage: 24 V DC (0.8–1.2 × Uc)

• Integrated Varistor: Yes – protects against voltage spikes

• Auxiliary Contacts: 1 NO + 1 NC

• Terminal Type: Screw terminal

• Mounting Position: Upright mounting

• Frame Size: S3

• Suitable For: PLC outputs and automation systems

• Manufacturer: Siemens

• Series: SIRIUS

Benefit

• High Reliability: Designed for long-lasting and dependable performance in industrial environments.
• Integrated Varistor: Protects against voltage surges, ensuring extended device life.
• Energy Efficient: Optimized coil design for lower energy consumption.
• Easy Integration: Ideal for PLC-controlled systems, simplifying automation design.
• Compact & Durable: S3 frame size fits easily into control panels with limited space.
• Safety & Compliance: Built according to international standards for electrical safety and performance.

Function & Application

The Siemens 3RT2046-1KB40-1AA0 is engineered for switching and controlling three-phase motors in industrial automation. Common applications include:

• Industrial machinery and conveyor systems

• HVAC systems and compressors

• Pumps and fans

• Manufacturing lines

• Control cabinets for automation solutions

For more Siemens SIRIUS 3RT2 series products and other industrial automation components, visit turll today!