Siemens 3RT2046-3KB44-3MA0 Power Contactor 95A, 45kW, 3-Pole, 24V DC, AC-3/AC-3e Original Brand New

Overview

The Siemens 3RT2046-3KB44-3MA0 Power Contactor is a high-performance switching device designed for industrial and automation applications. Built with Siemens’ trusted reliability, this 3-pole contactor supports 95 A and 45 kW at 400 V under AC-3/AC-3e operational categories. Its 24 V DC coil with integrated varistor ensures safe, efficient, and durable operation—ideal for modern PLC-controlled systems.

Key Features & Function

• Rated Operational Current: 95 A (AC-3/AC-3e)

• Power Rating: 45 kW at 400 V

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

• Design: 3-pole contactor with integrated varistor

• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)

• Main Circuit Connection: Screw terminal

• Control & Auxiliary Circuit Connection: Spring-loaded terminal

• Frame Size: S3

• Compatibility: Fully suitable for PLC outputs

• Durability: Built-in surge protection and captive auxiliary switch for enhanced reliability

Benefit

• Enhanced Electrical Protection: Integrated varistor safeguards against voltage surges and transients.
• Easy Installation: Combination of screw and spring terminals simplifies wiring and reduces setup time.
• Reliable PLC Integration: Optimized for use with programmable logic controllers in automation systems.
• Compact & Robust Design: Frame size S3 ensures space efficiency without compromising performance.
• Siemens Quality Assurance: Engineered for long service life and consistent performance in demanding industrial environments.

Application

• Industrial automation systems

• Motor control centers (MCCs)

• Conveyor and pump control circuits

• HVAC systems

• Power distribution panels

• Machinery with PLC-controlled contactor operations

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