Siemens SIRIUS 3RT1055-6SP36 Power Contactor, 150A, 75kW, F-PLC Fail-Safe Input Original Brand New

Overview: Siemens 3RT1055-6SP36 Power Contactor with F-PLC Input

The Siemens 3RT1055-6SP36 is a high-performance 3-pole power contactor from the robust SIRIUS 3RT1 family, specifically engineered for advanced motor control and safety applications. This Size S6 contactor is rated for 150 A (AC-3e/AC-3) and 75 kW at 400 V, making it ideal for switching high-power industrial motors and resistive loads.

A standout feature is the integrated F-PLC Fail-Safe Input (24 V DC), which allows for direct connection to fail-safe PLCs, simplifying wiring and reducing the need for an external coupling level in safety-critical circuits. The electronic drive supports a wide control voltage range of 200-277 V AC (50-60 Hz) / DC for versatile global use.

Key Technical Specifications

• Product Type: Power Contactor (SIRIUS 3RT1, Size S6)
• Product Number: 3RT1055-6SP36
• Poles: 3-pole
• Rated Current (AC-3e/AC-3): 150 A
• Rated Power (AC-3): 75 kW / 400 V
• Control Voltage (Uc): 200-277 V AC (50-60 Hz) / DC (Wide Range)
• Safety Feature: Integrated F-PLC Input (24 V DC) for Fail-Safe Control
• Auxiliary Contacts: 2 NO + 2 NC
• Main Circuit Connection: Busbar
• Control/Auxiliary Circuit Connection: Screw Terminal

Benefit

1. High Reliability: Engineered for heavy-duty AC-3e/AC-3 applications.

2. Energy Efficient: Electronic drive reduces energy loss during switching.

3. Flexible Integration: PLC input compatible, perfect for automation systems.

4. Safe & Secure: Screw terminals and robust auxiliary contacts ensure safe connections.

5. Versatile Applications: Suitable for motors, heaters, capacitive loads, and industrial machinery.

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