Siemens 3RT1055-6PF35 Power Contactor 150A, 75 kW, AC-3/AC-3e, Electronic Drive Original Brand New

Overview

The Siemens SIRIUS 3RT1055-6PF35 is a high-performance, 3-pole power contactor designed for switching motors up to 150 A (AC-3e/AC-3) and 75 kW at 400 V. This model features an advanced electronic drive and is highly versatile, operating with both AC (50-60 Hz) and DC main circuits. A key feature is the wide-range control voltage (Uc: 96-127 V AC/DC) with a specialized 24 V DC PLC input, making it ideal for integration into modern automated systems. The inclusion of a remaining lifetime indicator provides critical maintenance information, reducing downtime and optimizing operational reliability.

Key Features & Benefits:

• High Power Capacity: AC-3/AC-3e rated 150 A, suitable for motors up to 75 kW at 400 V AC.

• Versatile Control: Supports DC Uc 96-127 V with PLC input 24 V DC.

• Electronic Drive: Ensures faster, precise switching with reduced mechanical wear.

• Auxiliary Contacts: 1 NO + 1 NC for flexible integration with control circuits.

• Easy Installation: Main circuit via busbar, control circuit via screw terminals.

• Predictive Maintenance: Remaining lifetime indicator alerts when replacement or maintenance is needed.

• Reliable Industrial Performance: Designed for heavy-duty applications in industrial automation.

Function

1. Switching and controlling high-power motors and electrical loads.

2. Integration with PLC and automation systems via 24 V DC input.

3. Providing feedback and control via auxiliary contacts.

4. Ensuring operational safety with electronic drive and lifetime monitoring.